Answer:
-7
Step-by-step explanation:
Answer: -7
Step-by-step explanation: I hope this helped you out!!!! Please mark me as brainiest.
Write and solve an equation to find the value of x. (x + 10) Equation: X= 55
Answer:
65
Step-by-step explanation:
X=55
55+10=65
so
X+10=65
I hope that's what you meant.
The human body produces about $4. 8\times10^6$4. 8×106 red blood cells in 4 times 10 to the negative 2 power$4\times10^{-2}$4×10−2 minute. How many red blood cells does the body produce each minute? Write your answer in scientific notation and in standard form
The total number of red blood cells produced by human body in each minute is given by [ 1.2 × 10^8 ] red blood cells
Number of red blood cells produced by human body = 4. 8 × 10^6
Time taken by human body to produce 4. 8 × 10^6 red blood cells
= 4×10^(−2) minute
Number of red blood cells produced by human body in one minute are :
4 × 10^(−2) minute = 4. 8 × 10^6 red blood cells
⇒ 1 minute = [ 4. 8 × 10^6 / 4 × 10^(−2) ] red blood cells
⇒ 1 minute = [ 1.2 × 10^( 6 - (−2) ) ] red blood cells
⇒ 1 minute = [ 1.2 × 10^( 6 + 2) ) ] red blood cells
⇒ 1 minute = [ 1.2 × 10^8 ] red blood cells
Therefore, total number of red blood cells produced by human body in one minute is equal to [ 1.2 × 10^8 ] red blood cells.
The above question is incomplete, the complete question is:
The human body produces about4. 8×10^6 red blood cells in 4×10^(−2) minute. How many red blood cells does the body produce each minute? Write your answer in scientific notation and in standard form.
Learn more about minute here
brainly.com/question/15600126
#SPJ4
your gross income is $4,000 per month. your federal state tax is 10%, state tax is 7%, city tax is 3%, and you pay 7% to social security. what is your monthly disposable income?
If the gross income per month is $4000 , then the monthly disposable income will be $2920 .
To find the monthly disposable income, we subtract the various taxes from the gross income.
The Federal tax is = 10% of $4000 = $400 ;
The State tax is = 7% of $4000 = $280 ;
The City tax is = 3% of $4000 = $120 ;
and the Social security tax is = 7% of $4000 = $280 ;
So , the Total monthly tax is = $400 + $280 + $120 + $280 = $1080 ;
We know that the Monthly disposable income = Gross income - Total tax ;
⇒ Monthly disposable income = $4000 - $1080 ;
⇒ Monthly disposable income = $2920 .
Therefore, the monthly disposable income after taxes is $2920.
Learn more about Income here
https://brainly.com/question/11629941
#SPJ4
(no picture available) - Solid A is dilated using a scale factor of 2/5, resulting in Solid B. Solid B is also dilated using a scale factor of 2/5, resulting in Solid C. If the volume of Solid B is 72km^3, what is the volume of Solid A and Solid C?
The volume of the solids A and C will be 1,125 cubic km and 4.608 cubic km, respectively.
What is dilation?Dilation is the process of increasing the size of an item without affecting its form. Depending on the scale factor, the object's size can be raised or lowered.
Solid A is dilated using a scale factor of 2/5, resulting in Solid B. Then the volume of solid A is given as,
(Scale factor)³ x (Volume of solid A) = Volume of solid B
(2/5)³ x Volume of solid A = 72
Volume of solid A = 1,125 km³
Solid B is also dilated using a scale factor of 2/5, resulting in Solid C. Then the volume of solid C is given as,
(Scale factor)³ x (Volume of solid B) = Volume of solid C
(2/5)³ x 72 = Volume of solid C
Volume of solid C = 4.608 km³
The volume of the solids A and C will be 1,125 cubic km and 4.608 cubic km, respectively.
More about the dilation link is given below.
https://brainly.com/question/2856466
#SPJ1
what’s (-3x^5)^2 times 4x^3
Answer:36x^13
Step-by-step explanation:
We can solve this problem using the rule of exponents: (am)n = amn.
First, let's simplify the exponent on the first term:
(-3x^5)^2 = (-3x^5) × (-3x^5)
Next, let's multiply this by 4x^3:
(-3x^5)^2 × 4x^3 = (-3x^5) × (-3x^5) × 4x^3
Now, let's multiply the coefficients and combine the exponents:
(-3 × -3)x^(5 + 5 + 3) = 36x^13
Therefore, the answer is 36x^13.
Solve and graph 11x+6<9x+10
We solved the given inequality and found the values of x lie in the interval ( -∞ , 4). This is graphed and shown on the number line as below.
What is meant by inequality?
A relationship that compares two numbers or other mathematical expressions in an unequal way is known as an inequality. It is most frequently used to compare the sizes of two numbers on the number line.
Given inequality is:
11x + 6 < 9x + 10
Solving,
11x - 9x < 10 - 6
2x < 4
x < 4
The values of x is in the interval : ( -∞ , 4)
The above inequality is shown below on the number line as well as on the graph.
We can see that all the values to the left of 4 but not including 4 can be taken as the value of x.
Therefore we solved the given inequality which is graphed and shown on the number line.
To learn more about the inequalities, follow the link.
https://brainly.com/question/25275758
#SPJ1
translate the following sentence into an equation "Twice the difference of M and 14 equals 64 ."
Answer:
2 * (M - 14) = 64
Step-by-step explanation:
Twice mean s two times the rest of M
What is the graph of the following function? Click on the graph until the correct one appears.
g(x) = {<1}X-2, X21-4x+3, x < 1
Pls i need help !!!
The graph of the piecewise function is given by the image presented at the end of the answer.
How to graph the piecewise function?A piecewise function is a function that has multiple definitions, according to it's input values.
The two definitions for this problem are given as follows:
Until x = 1.Right of x = 1.For the values until x = 1, we have an increasing linear function, with intercept of y = -2, and finishes at the point (1,-1).
For the values greater than x = 1, the function is a linear function, starting at the point (1,-1), and decaying.
More can be learned about piecewise functions at https://brainly.com/question/19358926
#SPJ1
y-x²-14x=54
43=y-6x
non linear simultaneous equations
Solution of the system of equations y - x²- 14x = 54 and 43 = y - 6x are
x = -4 ± √5 and y = ± 6√5 + 19
What is equation?An equation is a formula that expresses the equality of two expressions, by connecting them with the equals sign =.
Given equations
y - x²- 14x = 54
y = x² + 14x + 54 -------------(1)
43 = y - 6x
y = 6x + 43 ------------(2)
By equation (1) and (2)
6x + 43 = x² + 14x + 54
x² + 14x + 54 - 6x -43 = 0
x² + 8x + 11 = 0
a = 1, b = 8, c = 11
x = (-b ± √(b² - 4ac))/2a
x = (-8 ± √(64 - 4.11))/2
x = -4 ± √16-11
x = -4 ± √5
Putting value of x in equation (2)
y = 6(-4 ± √5) + 43
y = -24 ± 6√5 + 43
y = ± 6√5 + 19
Hence, x = -4 ± √5 and y = ± 6√5 + 19 are the solutions of equations
y - x²- 14x = 54 and 43 = y - 6x.
Learn more about equations here:
https://brainly.com/question/1529522
#SPJ9
I need help
I'm confused
According to the information, the number sequences would go as follows: arithmetic: 1, 9, 17, 25, 33...; 83, 84, 85, 86, 87... Geometric: 6, 24, 96, 384, 1536...; 1, 6, 36, 216, 1296...; 7, 14, 28, 56, 112...; neither: 4, 9, 16, 25, 36...; 1, 1, 2, 3, 5, 8, 13,...
How to identify the sequences that belong to each category?To identify the sequences that belong to each category, we must take into account the difference between a geometric sequence and an arithmetic sequence. In the case of geometric sequences, they are those sequences made up of numbers that are the result of multiplying the first number by a common factor.
On the other hand, arithmetic sequences are those that are made up of numbers that differ from the previous and the following number by a fixed amount. According to the above, the values would be classified as follows:
Image attached.Learn more about numbers in: https://brainly.com/question/17429689
#SPJ1
Solve the word problem below. Enter your answer in simplest terms, using the
slash (/) to represent the fraction bar.
You have 4/6 cup of oatmeal in your cupboard. A recipe for cookies calls for 1/4
cup of oatmeal. How much oatmeal would you have left if you made the
cookies
Answer:
5/12
Step-by-step explanation:
4/6 - 1/4 The common denominator would be 12
8/12 - 3/12 = 5/12
Answer:
5/12
Step-by-step explanation:
mark me please
4. The table shows the number of beads used to make a necklace. Ginger wants to make a smaller necklace using the same ratio of pink to white beads. How many different necklaces could Ginger make? How do you know?
The number of different necklaces that Ginger can make, with the same ratio of pink to white beads is 5 necklaces.
How to find the number of necklaces ?To find the number of necklaces, find the smallest equivalent ratio of pink to white beats used to make the necklace.
Pink beads : White beads
30 : 35
( 30 / 5 ) : ( 35 / 5 )
6 : 7
To find the find the number of beads, divide the number of pink beads available by the number of pink beads in the ratio:
= 30 / 6
= 5 necklaces
Find out more on necklaces at https://brainly.com/question/28402522
#SPJ1
how many multiplications will each of the functions power1, power2, and power3 perform when computing 332? 319? e. how many recursive calls will power2 and power3 make when computing 332? 319?
The number of multiplications for the power₁ is 3 multiplication power₂ is one multiplication and power₃ is 5 multiplications and the number of recursive calls will power2 and power3 make when computing 332 and 319 is 5.
First, let's look at power₁. This function can compute the power of a number by repeated multiplication. For example, to compute 3 to the 4th power, power₁ would perform three multiplications: 3 x 3 x 3 x 3 = 81.
Using this approach, we can see that to compute 3 to the 32nd power, power₁ would perform 31 multiplications (3 x 3 x 3... repeated 31 times). Similarly, to compute 3 to the 19th power, power₁ would perform 18 multiplications.
Next, let's consider power₂. This function uses a different strategy for computing powers. It relies on the fact that any number can be expressed as a power of 2
To compute 3 to the 32nd power using power₂, we would first express 32 as a sum of powers of 2:
=> 32 = 2⁵ + 2⁴ + 2³.
Then, we would use the fact that 3 raised to a power of 2 can be computed with just one multiplication: 3² = 9.
Using this fact repeatedly, we can compute 3 to the 32nd power with only 5 multiplications:
=> 3 x 3 x 3 x 3 x 3 x 3 x 3 x 3 x 3 x 3 x 3 x 3 x 3 x 3 x 3 x 3 x 3 x 3 x 3 x 3.
For 3 to the 19th power, power2 would express 19 as 2⁴ + 2¹ and then use 4 multiplications:
=> 3 x 3 x 3 x 3 x 3 x 3 x 3 x 3 x 3 x 3 x 3 x 3 x 3 x 3 x 3 x 3 x 3 x 3.
Finally, let's look at power3. This function is similar to power2 but uses a more efficient algorithm called exponentiation by squaring. This algorithm works by repeatedly squaring the base and halving the exponent until the exponent is 1.
To compute 3 to the 32nd power using power₃, we would start with the binary representation of 32 (100000 in binary).
we can see that power₃ will only perform 5 multiplications to compute 3 to the 32nd power.
Similarly, to compute 3 to the 19th power, power₃ would start with the binary representation of 19 (10011 in binary) and use the exponentiation by squaring algorithm to perform only 6 multiplications.
To know more about function here.
https://brainly.com/question/28193995
#SPJ4
Complete Question:
How many multiplications will each of the functions power₁, power₂, and power₃ perform when computing 332? 319?
The area is approximately enter your response here
▼
in squared .in2.
in.in.
in cubed .in3.
(Simplify your answer. Type a whole number or a decimal. Round to the nearest hundredth as needed.)
Step-by-step explanation:
this is a 14.4 in × 10.2 in rectangle, were 2 identical half-circles (= 1 full circle) are removed.
so, in other words, the shaded area is
rectangle area - circle area
the rectangle area is length × width.
the circle area is pi×r². with r (radius) being half the diameter. the diameter is 10.2 in, so, r = 10.2/2 = 5.1 in.
so, the shaded area is
14.4 × 10.2 - pi × 5.1² = 146.88 - 3.14 × 26.01 =
= 146.88 - 81.6714 = 65.2086 ≈ 65.21 in²
remember, an area is always expressed in square units. a volume in cubic units. and a length in simple units.
Discuss THREE ways on how bad behaviour in sport in a country can
dampen nation building.
(3 x 2) C
Fynlain
ba
ode
f
othie
in.
enorts can encourage positive
Answer:
Step-by-step explanation:
chicken
if you generate multiple datasets from a distribution with a given mean and variance, the mean and variance that you calculate from the generated data will always be the exact same as the original?
If we generate the multiple datasets from a distribution with a given mean and variance , then mean and variance of from generated data will not be same .
The sample mean and the variance are random variables that vary from sample to sample, even if the samples are drawn from the same population.
When we generate a sample from a distribution with a known mean and variance, the sample mean and variance will be estimates of the population mean and variance ;
So , because of sampling variability, the estimates obtained from different samples may differ from one another and from the true population parameters.
Learn more about Sample Mean here
https://brainly.com/question/30023845
#SPJ4
which of the following is the best interpretation of the power of a significance test? responses power is the probability of detecting an effect if no effect exists. power is the probability of detecting an effect if no effect exists. power is the probability of detecting an effect if an effect exists. power is the probability of detecting an effect if an effect exists. power is the probability of detecting an effect whether or not an effect exists. power is the probability of detecting an effect whether or not an effect exists. power is the probability of not detecting an effect if no effect exists. power is the probability of not detecting an effect if no effect exists. power is the probability of not detecting an effect if an effect exists.
The power in a significance test is the probability of detecting a true effect, while the probability of making a type II error is the complementary probability of power.
A significance test is a statistical method used to determine whether an observed difference or effect is statistically significant or simply due to chance.
Power is defined as the probability of detecting an effect in a significance test if an effect truly exists. In other words, it is the probability of correctly rejecting the null hypothesis (H0) when the alternative hypothesis (Ha) is true. The null hypothesis assumes that there is no significant difference between two groups, while the alternative hypothesis states that there is a significant difference.
Mathematically, power is calculated using the following formula:
Power = 1 - β
Where β is the probability of making a type II error, which is the probability of failing to reject the null hypothesis when the alternative hypothesis is true. In other words, it is the probability of not detecting an effect when an effect truly exists.
Therefore, power and β are complementary probabilities. If power is high, β is low, and vice versa. A significance test with a low power has a higher chance of making a type II error, meaning that it can fail to detect a real effect. Conversely, a test with a high power has a lower chance of making a type II error, meaning that it can detect a real effect more accurately.
To know more about probability here
https://brainly.com/question/11234923
#SPJ4
Find the area under the standard normal distribution curve between =z−1.97 and =z1.21. Use The Standard Normal Distribution Table and enter the answer to 4 decimal places.
Next
Save
1
The distance between Dallas and Houston is about 364 kilometers. There are approximately
measurement is closest to the number of miles between these two towns?
Answer
A 227.5 miles
B 582.4 miles
C 40 miles
D 372 miles
In a case whereby the distance between Dallas and Houston is about 364 kilometers the approximately measurement is closest to the number of miles between these two towns is A 227.5 miles.
How can the the approximately measurement be determined?The concept that will be used here is unit conversion. It should be noted that 1 Mile = 1.609344 kilometres.
Then Xmile = 364 kilometers
We can cross multiply to have
Xmile =364 kilometers/1.609344 kilometres.
=226.179
Hence the closest to the number of miles is A 227.5 miles
Therefore, option A is correct.
Learn more about distance at:
https://brainly.com/question/4931057
#SPJ1
Question 8(Multiple Choice Worth 2 points) (09.06 LC) How many decimeters are in 3.6 millimeters? 0.036 decimeters O0.36 decimeters O 36 decimeters O 360 decimeters
The number of decimeters in 3.6 millimeters is 0. 0036 decimeters. Option D
How to convert the unitsConversion of units is simply defined as the conversion that is between different units of measurement for a particular quantity.
it is carried out mostly through multiplicative conversion factors.
It may involve multiple steps of multiplication or division by a conversion factor.
From the information given, we have that;
1 decimeter = 1000 millimeters
Then, x decimeter = 3.6 millimeters
Cross multiply the values
x = 3.6/1000
divide the values
x = 0. 0036 decimeters
Hence, the value is 0. 0036 decimeters
Learn about conversion of units at: https://brainly.com/question/8426032
#SPJ1
Help, please. 50 points
The trapezoid is made up of a rectangle and a triangle. The total area of the trapezoid is 75 square centimeters. what is the length of the base of the triangle?
Step-by-step explanation:
use the pythagors theorm b square = h2 -p2
then the 10 cm is parallel so use area of right angled triange =1/2 b×p
4 Bob makes dry concrete by mixing cement, sand and stone in the ratio 1:2:3 by weight.
He buys the cement, sand and stone in bags as shown in this table.
Cement
Sand
Stone
Weight of bag
(kg)
25
20
15
Cost per bag
(£)
5.50
2.00
3.90
ratios
He packs the dry concrete into 30 kg bags.
Bob buys just enough cement, sand and stone to make 50 bags of dry concrete.
(a) Show that Bob buys 500 kg of sand.
Bob needs to buy 500 kg of sand.
What is the ratio?
A ratio is a quantitative relationship between two numbers, quantities, or values that expresses how many times one is contained in the other. Ratios are typically expressed in the form of "a to b" or "a:b" and can be represented as fractions or decimals.
Since the ratio of cement to sand to stone is 1:2:3 by weight, the total weight of the ingredients needed to make one bag of dry concrete is:
Cement: 1/6 of 30 kg = 5 kg
Sand: 2/6 of 30 kg = 10 kg
Stone: 3/6 of 30 kg = 15 kg
To make 50 bags of dry concrete, Bob will need 50 times these amounts:
Cement: 5 kg x 50 = 250 kg
Sand: 10 kg x 50 = 500 kg
Stone: 15 kg x 50 = 750 kg
Hence, Bob needs to buy 500 kg of sand.
To learn more about the ratios, visit:
https://brainly.com/question/12024093
#SPJ1
Please help asap!!! :) 84 points if done correctly.
Answer:
[tex]\boxed{\checkmark}\;\;52 = 8n + 4[/tex]
[tex]\boxed{\checkmark}\;\;4(2n + 1) = 52[/tex]
[tex]\boxed{\checkmark}\;\;4 = 52 - 8n[/tex]
[tex]\boxed{\phantom{\checkmark}}\;\;4n = 48[/tex]
[tex]\boxed{\checkmark}\;\;n = 6[/tex]
Step-by-step explanation:
To determine if the equations are equivalent, solve the equations for n.
Option 1
[tex]\begin{aligned}\implies 52&=8n+4\\52-4&=8n+4-4\\48&=8n\\48\div 8&=8n \div 8\\6&=n\\n&=6\end{aligned}[/tex]
Option 2
[tex]\begin{aligned}\implies 4(2n+1)&=52\\8n+4&=52\\8n+4-4&=52-4\\8n&=48\\8n \div 8&=48 \div 8\\n&=6\end{aligned}[/tex]
Option 3
[tex]\begin{aligned}\implies 4&=52-8n\\4+8n&=52-8n+8n\\4+8n&=52\\4+8n-4&=52-4\\8n&=48\\8n \div 8&=48 \div 8\\n&=6\end{aligned}[/tex]
Option 4
[tex]\begin{aligned}\implies 4n&=48\\4n \div 4&=48 \div 4\\n&=12\end{aligned}[/tex]
Option 5
[tex]n=6[/tex]
Therefore, the equations that are equivalent are:
52 = 8n + 44(2n + 1) = 524 = 52 - 8nn = 6an exponential function passes through the points (0, 11) and (3, 1375). what are the values of and ?
The values of a and b in the exponential function f(x) = [tex]ab^x[/tex] can be found by using the two given points and solving a system of two equation.
To find the values of a and b in the exponential function f(x) = [tex]ab^x[/tex] given that it passes through the points (0, 11) and (3, 1375), we can use the supplied positions where a and b must be solved.
Let's start with the point (0, 11). Plugging x = 0 and y = 11 into the equation, we have:
11 = [tex]a * b^0[/tex]
Since [tex]b^0[/tex] = 1 for any value of b, we have:
11 = a * 1
So a = 11.
Next, let's use the point (3, 1375) to find b. Plugging x = 3 and y = 1375 into the equation, we have:
1375 = [tex]11 * b^3[/tex]
Dividing both sides of the equation by 11, we have:
125 = [tex]b^3[/tex]
By combining the cube roots of the two sides, we obtain:
b = 5
So the values of a and b are a = 11 and b = 5. The exponential function that passes through the points (0, 11) and (3, 1375) is f(x) = [tex]11 * 5^x[/tex].
Learn more about exponential function here:
https://brainly.com/question/12260956
#SPJ4
The complete question is:
an exponential function f(x) = [tex]ab^x[/tex] passes through the points (0, 11) and (3, 1375). Find the values of a and b?
Ok I know it’s late but I really need help with these problems and no one can help me so can someone please help and explain. I know it’s a lot but I’m really confused, thank you so much.
answers are on the picture
Step-by-step explanation:
Find the value of b if the graph of y=0.3+b goes through the point. N(5, d)
Answer:
the answer according to your question is that " b" is = -0.3
a theater charges $8 for main floor seats and $5 for balcony seats. for a full house, the ticket income is $4,200. at one show, only 25% of the main floor seats and 40% of the balcony seats were sold for a total of $1,200. how many main floor tickets and how many balcony tickets were sold for this show?
By solving a system of equations we can see that there are 400 main-floor seats and 200 balcony seats.
Let x = number of seats on the main-floor
y = number of balcony seats
We know that if all the seats are sold, then the total income is $4,200, we can write the equation:
x*8 + y*5 = $4,200
And if 25% of the main-floor and 40% of the balcony seats are sold, then we get an income of $1200, then we can write:
0.25*x*8 + 0.4*y*5 = $1,200
x*2 + y*2 = $1,200
2(x + y) = $1200
x + y = $600
x = 600 - y
putting the value of x in equation1)
8(600-y) + 5y = 4200
4800 - 8y + 5y = 4200
3y = 600
y = 200
and x = 600 - 200 = 400
To know more about system of equations
https://brainly.com/question/17625848
#SPJ4
There are 10 people in a group. 3 are red and 7 are blue. They vote yes or no.
What is probability that all 3 red people vote no and all 7 blue people vote yes?
Answer:70% chance they vote yes
Step-by-step explanation:
Answer:
3/10 for red people and 7/10 for blue people.
Step-by-step explanation:
Select the correct answer.
If f(x) = 3x+2 and g(x) = 2x - 2. what is (f- g)(x)?
OA. X+4
OB. X-2
OC. X
OD. 5x-2
O E.
X-4
Answer:
A
Step-by-step explanation:
(f - g)(x)
= f(x) - g(x)
= 3x + 2 - (2x - 2) ← distribute parenthesis by - 1
= 3x + 2 - 2x + 2 ← collect like terms
= x + 4
Select the correct answer.
What is the value of x in the triangle?
7√3
60°
OA. 21
OB. 10
O C.
C. 7
O D. 7√3
30%
The value of x in the triangle is equal to: A. 21.
What is a 30-60-90 triangle?In Mathematics, a 30-60-90 triangle is also referred to as a special right-angled triangle and it can be defined as a type of right-angled triangle whose angles are in the ratio 1:2:3 and the sides are in the ratio 1:√3:2.
This ultimately implies that, the length of the hypotenuse of a 30-60-90 triangle is double (twice) the length of the shorter leg (adjacent side), and the length of the longer leg (opposite side) of a 30-60-90 triangle is √3 times the length of the shorter leg (adjacent side).
Note: x is the side opposite to the 60° angle.
The side opposite to the 60° angle, x = 7√3 × √3
The side opposite to the 60° angle, x = 7 × 3
The side opposite to the 60° angle, x = 21 units.
Read more on 30-60-90 triangle here: https://brainly.com/question/30283450
#SPJ1