Answer:
B
Step-by-step explanation:
Because I said so.
Someone help please!Whats the answer to this question!
4(2x+1)-(-2+8x) : use the distributive property and combining like terms to simplify
Find the equation of the line. Use exact numbers.
Answer:
y=-3/2x+3
Step-by-step explanation:
The slope is -3/2x because it's going down 3 and to the right 2.
And it intercepts the y-axis at 3. Thus, 3 is the y-intercept.
Answer:
y = -3/2 x +3
Step-by-step explanation:
We can use the slope intercept form
y = mx+b where m is the slope and b is the y intercept
The y intercept is 3
Now to find the slope
Pick two points on the line
( 0,3) and ( 2,0)
m = ( y2-y1)/(x2-x1)
= ( 0-3)/(2-0)
= -3/2
The equation of the line is
y = -3/2 x +3
The United States has a population of approximately 323 million people. What is this number written in scientific notation?
convert 1/9 and 2/9 into decimals
Answer:
1/9 = 0.111
2/9 = 0.222
Step-by-step explanation:
1/9 = 0.111
2/9 = 0.222
Answer:
Step-by-step explanatioN
1/9 = WE DIVIDE 1 ÷ 9 WE GET 0.1111111111
0.1111111111 TO ONE SIGNIFICANT FIGURE = 0.1
TWO SIG.FIG = 0.11 T
HREE SIG.FIG 0.111
2/9= WE DIVIDE 2 BY 9 WE GET 0.22222222
SO WE ROUND TO ONE SIG .FIG.
RATE ME AND THANK ME
The midpoint of AB is M(-4,0). If the coordinates of A are (-6,6), what are the coordinates of B?
Answer:
(-2,-6) is your answer..
hope this helped you
please mark as the brainliest (ㆁωㆁ)
Need help ASAP With this Math Question
how do you graph x+y<600
Answer:
y+x=600
Step-by-step explanation:
Answer:
Step-by-step explanation:
first step : you put it in y form
y<600-x
then put the x so that the value of x+y do not exceed 600
since the sign is < and not ≤ then the line is dotted and not solid
how to solve 2(x − 1) ≤ 12
Answer:
Step-by-step explanation:
2x - 2 ≤ 12
2x ≤ 14
x ≤ 7
How do you write 89,000 in scientific notation
Answer:
8.9 × 10^{4}
Step-by-step explanation:
Calculating scientific notation for a positive integer is simple, as it always follows this notation: a x 10b.
Follow the steps below to see how 89,000 is written in scientific notation.
Step 1
To find a, take the number and move a decimal place to the right one position.
Original Number: 89,000
New Number: 8.9000
Step 2
Now, to find b, count how many places to the right of the decimal.
New Number: 8 . 9 0 0 0
Decimal Count: 1 2 3 4
There are 4 places to the right of the decimal place.
Step 3
Building upon what we know above, we can now reconstruct the number into scientific notation.
Remember, the notation is: a x 10b
a = 8.9 (Please notice any zeroes on the end have been removed)
b = 4
Now the whole thing:
8.9 x 10^{4}
Step 4
Check your work:
10^{4} = 10,000 x 8.9 = 89,000
Solve the following for y: -6x+2y=8(5 points)
Y= -6x+8
Y= 6x+8
Y= -3x+4
Y= 3x+4
The area of a square is 34 square feet. Which is closest to the length of each side of the square?
Answer:
5.830951
Step-by-step explanation:
The area of a square is
A= s^2
Substituting the number 34 into Area we will have
34=s^2
Rationalize.
The number you will get is around 5.830951
What is 3/6 = 15/x could you please tell me the answer I need it bad Ummm here is another one what is 35 x 189 and 123 x 1245 1287 819001010+ 135678 234567890+ 1234567890 thanks, people bye
Can I get the answer plz
Answer:
Try 0 or 1
Step-by-step explanation:
Scince the number before rounding is 4, try rounding it to 0 or 1.
Mr. smith thinks his new smoothie recipe is the best ever. He believes it gives people more energy and also helps them lose weight. In order to prove this, he sets up an experiment. He randomly assigns 1/3 of his subjects to drink 1 smoothie per day for 10 weeks. The next 1/3 are andomly assigned to drink one smoothie per week for 10 weeks. The rest are assigned to 1 large cup of water per day for 10 weeks.
What is the control group?
a) 1 smoothie per day
b) 1 smoothie per week
c) 1 large cup of water per day
d) no control group
Answer:
I'd say 1 smoothie per day
Step-by-step explanation:
John wants to send a letter to peter who lives on tesla street john does not remember the house number however he knows that it has 4 digits it is a multiple of 5 and 7 and that that the last digit is 0 what is the minimum number of letters that john has to send to be sure that peter receives his letter
Answer: 137 letters.
Step-by-step explanation:
The data is:
The number has 4 digits.
The number is a multiple of 5
The number is a multiple of 7
The last digit is a 0.
Then, let's find all the possible numbers that met these conditions.
Our number can be formed with 4 digits, A, B, C and D.
D is the last one, so we have D = 0.
So the number is: ABC0
We know that all the numbers that end with 0 are multiples of 5, so that condition does not matter.
Now, a number is divisible by 7 if:
Take the last digit of the number, double it and subtract it to the remaining number, if the result is multiple of 7, then the initial number is a multiple of 7.
In this case the last digit is 0, so when we double it and subtract it, we actually are not changing the other 3 digits.
Then we have that:
ABC must be a multiple of 7.
So now our problem reduces to find the number of 3-digit numbers that are multiples of 7.
The first multiple of 7 that has 3 digits is:
7*15 = 105.
And the largest possible 3 digit number is 999, now let's try to divide it by 7 to see if this is also a multiple of 7.
999/7 = 142.7
the quotient is not integer, so 999 is not a multiple of 7.
The next option is 998, we can do the same here:
998/7 = 142.6
And so on, we will find that the largest 3 digit multiple of 7 is:
994, such that:
7*152=994.
Then we have:
Smallest: 7*15 = 105
Largest: 7*152 = 994.
Then the number of multiples of 7 between 999 and 100 will be equal to the difference between the quotients between the multples and 7.
105/7 = 15
994/7 = 152
152 - 15 = 137
So we have 137 multiples of 7 with 3 digits.
Then we have 137 4-digit numbers, that end with a zero and also are divisible by 5 and 7.
So John must send 137 letters if he wants to be shure that Peter will get the card.
the lengths of the sides of a triangle are 2x+1, 3x-2, and 4x-5. what is the perimeter in terms of x
Answer:
Step-by-step explanation:
2X + 1 + 3X - 2 + 4X - 5 = 180
9X - 6 = 180
9X = 174
9 = 174
ـــــــــــــــــــــ
9 9
X = 19.333
The perimeter of the triangle in terms of x given the three side lengths is 9x - 6.
What is the perimeter?
A triangle is a three-sided polygon with three edges and three vertices. the sum of angles in a triangle is 180 degrees.
The perimeter of a triangle = sum of the side lengths
(2x + 1) + (3x - 2) + (4x - 5) = 9x - 6
To learn more about triangles, please check: https://brainly.com/question/22949981
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The price of a sweater was reduced from $20 to $12. By what percentage was the price of the sweater reduced?
Answer:
40%
Step-by-step explanation
12 is a 40% decrease of 20.
Steps:
Percentage of decrease = |20 - 12|/20 = 8/20 = 0.4 = 40
Answer:
40%
Step-by-step explanation:
If 2(x + 3) + 7x = 3(x - 2) - 9, then x = ?
Answer:
x=-3.5 or -3 1/2
Step-by-step explanation:
2(x+3)+7x=3(x-2)-9
2x+6+7x=3x-6-9
9x+6=3x-15
6x=-21
x=-3.5 or -3 1/2
Write 3 and 3/4 as a decimal. Is it repeating or terminating?
Answer:
3.75, Terminating
Step-by-step explanation:
To answer this, we simply have to find what 3/4 is as a decimal. So, we know that in order to make 4/4, or 1, we need 4 parts. Let's say that 4/4 would equal 100, so we need to divide 100 into 4 parts:
100 / 4 = 25
Now, to find what 3/4 is, all we have to do is multiply 25 by 3:
25 * 3 = 75
And that is our decimal form, we just need to add the 3:
3.75, and since .75 doesn't keep on repeating, it just stops at .75, this is a terminating decimal
Hope this helps! :)
What are the zeros of the following function?
y = x2 + x - 12
A.-4, 3
B.4, -3
C.-6, 2.
D.6, -2
Solve
x2 - 8x + 14 = 2x - 7
Answer:
x=7, x=3
Step-by-step explanation:
[tex]x^{2} -8x+14=2x-7[/tex]
[tex]x^{2} -8x-2x+14+7=0[/tex]
[tex]x^{2} -10x+21=0[/tex]
[tex]\mathrm{For\:a\:quadratic\:equation\:of\:the\:form\:}ax^2+bx+c=0\mathrm{\:the\:solutions\:are\:}[/tex]
[tex]x=[/tex] [tex]\frac{-b\pm \sqrt{b^2-4ac}}{2a}[/tex]
positive
[tex]x=\frac{-\left(-10\right)+\sqrt{\left(-10\right)^2-4\cdot \:1\cdot \:21}}{2\cdot \:1}[/tex]
[tex]x=7[/tex]
negative
[tex]x=\frac{-\left(-10\right)-\sqrt{\left(-10\right)^2-4\cdot \:1\cdot \:21}}{2\cdot \:1}[/tex]
[tex]x=3[/tex]
Describe the error in the work shown below.
Find an expression equivalent to 18 + 30.
Factors of 18:1,2,3,6,9, 18
Factors of 30:1,2,3,5,6, 10, 15, 30
18 + 30 = 6(3 + 10)
Need help
2 and 2/5 multiplied by 5
Answer:
12
Step-by-step explanation:
2 2/5 * 5 = 12
Answer:
12
Multiply the equation.
2 2/5 x 5 = 12.
2 x 5 = 10.
2/5 x 5 = 2.
Add 10 + 2. You get 12.
what is 0.32 as faction
Answer:
8/25
Step-by-step explanation:
0.32 as a fraction is 8/25
Answer:
Its 8/25
Step-by-step explanation:
the value of √1.2321
2. Gabi has 3 cups of sugar in her pantry.
Each time she makes her recipe for blueberry.
muffins, she uses of a cup of sugar. How
many times can Gabi make her recipe for
blueberry muffins before her sugar runs out?
Answer:
3
Step-by-step explanation:
If she uses 1 cup of sugar every time she makes blueberry muffins and there are only 3 cups of sugar, she can only make her recipe for blueberry muffins 3 times before her sugar runs out
3. My pineapple curd recipe calls for 4 of a cup of sugar. The only clean measuring cup I have
left is the half-cup. How many scoops of sugar using the half-cup measuring cup do I need in
order to double the recipe?
What is the slope of the line that contains the points (-2,5) and (6,-3)? O A. 1 O B. -8 O C. -1 O D. 8
Answer:
-1
Step-by-step explanation:
Find the slope using the slope formula
m = (y2-y1)/(x2-x1)
= (-3-5)/(6 - -2)
= (-3-5)/(6+2)
= -8/8
= -1
Answer:
The answer is option CStep-by-step explanation:
The slope of a line given two points can be found by using the formula
[tex]m = \frac{ y_2 - y _ 1}{x_ 2 - x_ 1} [/tex]
where
(x1 , y1) and (x2 , y2) are the points
From the question the points are
(-2,5) and (6,-3)
The slope is
[tex]m = \frac{ - 3 - 5}{6 + 2} = - \frac{8}{8} = - 1[/tex]
We have the final answer as
- 1Hope this helps you
(a+b):a = 7:4 Find a:b
Answer:
4:3
Step-by-step explanation:
a+b = 7 units
a = 4 units
b = 7 - 4 units
Thus,
a:b
-----
4:3
(a+b) : a = 7:4
a = 4
a+b= 7
7- 4 = b
b = 3
a:b = 4:3Hope this will help....