Answer:
131 is prime. So the answer is A
Step-by-step explanation:
Remark
x is one of the legs. The other one is √65
Equation
x^2 + (√65)^2 = 14^2
Solution
x^2 + 65 = 196 Subtract 65 from both sides
x^2 = 196 - 65
x^2 = 131 Take the square root of both sides.
√x^2 = √131
x = √131
4x + y = 24
y=-4x+24
Substitution
Step-by-step explanation:
4x -24=-y
-24-4x=y
then do calculation
Answer:
infinite solutions
Step-by-step explanation:
substitute y in the first equation
4x+(-4x+24)=24
4x and -4x cancel out
24/24=1
or solve for x, you should also get 1
therefore, infinite solutions. you can also try using a graphing calculator
Find the x and y intercepts of the line. 4x-2y=16 need in 5-to minutes PLEASE
how do i solve 4=v+5/3
Answer:
= 7
Step-by-step explanation:
switch sides
v+5/3 =4
multiply both sides by 3
3(v+5)/3=4 times 3
simplify
v+5=12
subtract 5 from both sides
v+5-5=12-5
simplify
v=7
please help :c
the first word is find
Answer:
The values of [tex]r_{2}[/tex] and [tex]\alpha_{2}[/tex] are 2 and 150º.
Step-by-step explanation:
The complete statement is:
Find [tex]\alpha_{2}[/tex] and [tex]r_{2}[/tex] such that [tex]\sin \theta - \sqrt{3}\cdot \cos \theta = r_{2}\cdot \cos (\theta - \alpha_{2})[/tex].
We proceed to use the following trigonometric identity:
[tex]\cos (\theta - \alpha_{2}) = \cos \theta \cdot \cos \alpha_{2} +\sin \theta \cdot \sin \alpha_{2}[/tex] (1)
[tex]\sin \theta -\sqrt{3}\cdot \cos \theta = r_{2}\cdot \cos \theta \cdot \cos \alpha_{2}+r_{2}\cdot \sin \theta \cdot \sin \alpha_{2}[/tex]
By direct comparison we derive these expressions:
[tex]r_{2}\cdot \sin \alpha_{2} = 1[/tex] (2)
[tex]r_{2}\cdot \cos \alpha_{2} = -\sqrt{3}[/tex] (3)
By dividing (2) by (3), we have the following formula:
[tex]\tan \alpha_{2} = -\frac{1}{\sqrt{3}}[/tex]
[tex]\tan \alpha_{2} = -\frac{\sqrt{3}}{3}[/tex]
The tangent function is negative at second and fourth quadrants. That is:
[tex]\alpha_{2} = \tan^{-1} \left(-\frac{\sqrt{3}}{3} \right)[/tex]
There are at least two solutions:
[tex]\alpha_{2,1} = 150^{\circ}[/tex], [tex]\alpha_{2,2} = 330^{\circ}[/tex]
And the value of [tex]r_{2}[/tex]:
[tex]r_{2}^{2}\cdot \sin^{2}\alpha_{2} + r_{2}^{2}\cdot \cos^{2}\alpha_{2} = 4[/tex]
[tex]r_{2}^{2} = 4[/tex]
[tex]r_{2} = 2[/tex]
The values of [tex]r_{2}[/tex] and [tex]\alpha_{2}[/tex] are 2 and 150º.
HELP!!
Ann works 3.5 hours per day 3 days per week. If Ann
earns $6.50 per hour, how much money will she earn
during a 7-week period?
F. $487.25
G. $477.75
H. $432.25
J. $144.00
K. $123.50
Answer:
G. 477.75
Step-by-step explanation:
Determine which expression has the greatest value.
A.
18
B.
25
C.
33
D.
52
2) Find the missing measure. Show your work.
X =
130°
Answer:
The missing angle I believe is 25%.
Step-by-step explanation:
180-130=50
Divide 50 by 2 and it equals 25. 25 degrees for each angles.
Answer:25
Step-by-step explanation:
alright so the triangle theorem states that all of the angles of a triangle add up to 180. we already of 130 so we take away 130 from 180 to get 50. If you see the two little lines on the triangles sides opposite of the two angles that we are missing then you can tell by those lines that the angles opposite of them are equal to each other. So you divide 2 from 50 to get 25 which is the value of x. Hope you understand this (:
Help pls 6th grade math i will give brainliest
Answer:
G.
Step-by-step explanation:
It doesn't matter if you switch what is inside the parentheses, as long as you don't put it outside or switch around the equation.
(hope this helps!)
An accountant gets paid $150 for each tax return she prepares and her goal is to earn $6,750 preparing tax returns during this tax season if she has already prepared three tax returns as taxis and how many more tax returns must be prepared in order to reach her goal
Answer: 42
Step-by-step explanation:
First you have to subtract 450 from 6750 to get 6300
Second you have to figure out how many tax returns you have to make by dividing 6300 by 14 to get 450
Third you have to do 6300 / 42 to get 150 so if you times 150x 42 equals 6300.
Please help I’m so bad at this :/
Answer:
3a+33
Step-by-step explanation:
Add 2a+1 to a+32
Here are the first four terms of a quadratic sequence.
The nth term of this sequence is an² + bn + c.
1, 11, 27 and 49
Find the values of a, b and c.
Answer:
a = 3, b = 1, c = - 3
Step-by-step explanation:
Substitute n = 1, 2, 3 into the n th term
a + b + c = 1 → (1)
4a + 2b + c = 11 → (2)
9a + 3b + c = 27 → (3)
Subtract (1) from (2) term by term to eliminate c
Subtract (2) from (3) term by term to eliminate c
3a + b = 10 → (4)
5a + b = 16 → (5)
Subtract (4) from (5) term by term to eliminate b
2a = 6 ( divide both sides by 2 )
a = 3
Substitute a = 3 into (4) and evaluate for b
3(3) + b = 10
9 + b = 10 ( subtract 9 from both sides )
b = 1
Substitute a = 3, b = 1 into (1) and evaluate for c
3 + 1 + c = 1
4 + c = 1 ( subtract 4 from both sides )
c = - 3
Then a = 3, b = 1 and c = - 3
The measure of a, b and c is 3, 1 and - 3 respectively.
What is a quadratic sequence?A quadratic sequence is a sequence whose nth term is given by the general formula -
A{n} = an² + bn + c.
Given are the 4 terms of the quadratic sequence as 1, 11, 27 and 49.
Now, we can the following equations as -
A{1} = a + b + c = 1
a + b + c = 1
c = 1 - a - b ........ Eq[1]
A{2} = 4a + 2b + c = 11
4a + 2b + c = 11
c = 11 - 4a - 2b ........ Eq[2]
A{3} = 9a + 3b + c = 27
9a + 3b + c = 27
c = 27 - 9a - 3b ........ Eq[3]
A{4} = 16a + 4b + c = 49
16a + 4b + c = 49
c = 49 - 16a - 4b ........ Eq[4]
Equate Eq[1] and Eq[2] -
1 - a - b = 11 - 4a - 2b
1 - 11 = - 4a - 2b + a + b
- 10 = - 3a - b
3a + b = 10 ........... Eq[5]
Equate Eq[3] and Eq[4] -
27 - 9a - 3b = 49 - 16a - 4b
- 9a - 3b + 16a + 4b = 49 - 27
7a + b = 22 .......... Eq[6]
We can write -
7a + 10 - 3a = 22
4a + 10 = 22
4a = 12
a = 3
and
b = 10 - 3a
b = 10 - 9
b = 1
At last -
c = 1 - a - b
c = 1 - 3 - 1
c = - 3
Therefore, the measure of a, b and c is 3, 1 and - 3 respectively.
To solve more questions on quadratic sequence, visit the link below -
https://brainly.com/question/22412845
#SPJ2
Solve the right triangle. Round your answers to the nearest tenth place.
Answer:
for ac I got 11
ab i got 14
I'm not quite sure tho
but you could use SOH CAH TOA to find ab then use Pythagoras theorem to find AB
Answer:
AB = 11.6 inches
AC = 7.3 inches
m∠B = 39°
Step-by-step explanation:
To calculate side AB (c) put b (9 inches) over the sine of β (51°).
c = 9/sin(51)
The sine of an acute angle is defined in the context of a right triangle: for the specified angle, it is the ratio of the length of the side that is opposite that angle, to the length of the longest side of the triangle (the hypotenuse). This would be about 0.777.
c = 9/0.777
I recommend using a fraction here. 0.777 becomes 777/1000. Find the reciprocal (1000/777). Switch the sign to multiplication.
c = 9/1 * 1000/777
Cross cancel if needed.
c = 3/1 * 1000/259
Now multiply.
c = 3000/259
Divide 3000 by 259.
c ≈ 11.5830116 inches ≈ 11.6 inches
Now we know AB. To find AC, find the square root of AB² - BC².
AC = √(11.6² - 9²)
Square both 11.6 and 9.
AC = √(134.56 - 81)
Add 134.56 and 81 to get 53.56
AC = √53.56
Find the square root of 53.56
AC ≈ 7.31846979 ≈ 7.3 inches.
Finding the measure of angle B is comparatively simple. Subtract 51 from 90 to get 39° for angle B.
Hellllllllllppppppppppp
Answer:
8.
Step-by-step explanation: Start at 8 and go up until 15. boom, you hit the dot at 15. Simple.
The expression 6a-14-a+7 simplifies to
Determine the geometric mean of 45 and 15
The solution is, The geometric mean of 45 and 15 is 25.98.
What is geometric mean?The Geometric Mean (GM) in mathematics is the average value or mean that, by calculating the product of the values of the set of numbers, denotes the central tendency of the numbers. In essence, we multiply the numbers together and calculate their nth root, where n is the total number of data values.
here, we have,
We are given two numbers as 45 and 15.
Formula for geometric mean is
G.M = √x₁ × ... × xₐ
So, using this we get
⇒G.M = √45 × 15
⇒G.M = √675
⇒G.M = 25.98
Hence, the geometric mean of 45 and 15 is 25.98.
Learn more about geometric mean from the given link
brainly.com/question/28562725
#SPJ2
Solve for x. Enter the solutions from least to greatest.
(x+7)^2 −49=0
Help plz
Answer:
x=0
Step-by-step explanation:
We can first add 49 to both sides to get (x+7)^2=49
We can then take the square root of both sides and get x+7=7
Subtract 7 to both sides and you get x=0
Answer:
[tex]x=-14\text{ and } x=0[/tex]
Step-by-step explanation:
We are given:
[tex](x+7)^2-49=0[/tex]
And we want to solve for x.
First, we can add 49 to both sides:
[tex](x+7)^2=49[/tex]
Now, we can take the square root of both sides. Since we are taking an even root, we will need plus-minus. Hence:
[tex]x+7=\pm\sqrt{49}[/tex]
Evaluate:
[tex]x+7=\pm7[/tex]
Subtract 7 from both sides:
[tex]x=-7\pm7[/tex]
So, we have two solutions:
[tex]x=-7+7\text{ and } x=-7-7[/tex]
Evaluate:
[tex]x=0\text{ and } x=-14[/tex]
So, from least to greatest, our solutions are:
[tex]x=-14\text{ and } x=0[/tex]
Which relation is not a function
Answer:
B
Step-by-step explanation:
Missy's rotation maps point K(17,-12) at K(12,17) which describes to the rotation
Answer:
90 degree counter clockwise rotation.
Answer:
90 degree counter-clockwise rotation.
In office spends $375 per month on office supplies the manager wants the company to decrease office supply costs by 16% how much money would that save them each month
Answer:
$60
Step-by-step explanation:
The computation of the money saved each month is shown below:
= Spending per month × decrease office supply percentage
= $375 × 16%
= $60
The office supplies after given percentage is
= $375 - $60
= $315
So the money that saved each month is $60
y’all be smart ash what the-
Answer:
D
Step-by-step explanation:
When in doubt choose D
Answer:
D
Step-by-step explanation:
The other dude is wrong, you have to plug in the domain to find the range.
here is a list of four fractions 1/16 2/8 15/60 3/9
one of these are not equivalent to 1/4
write down this fraction
Answer:
3/9
Step-by-step explanation:
15*4= 60 so 15/60 is equivalent to 1/4.
1/16 is just a smaller equivalent of 2/8 which is just a smaller equivaent of 1/4.
3/9 simplified is 1/3. I/s is bigger than 1/4.
Hope this helps
Answer:
3/9
Step-by-step explanation:
[tex]\frac{1}{4}\cdot\frac{4}{4}=\frac{4}{16}\\\\\frac{1}{4}\cdot\frac{2}{2}=\frac{2}{8}\\\\\frac{1}{4}\cdot\frac{15}{15}=\frac{15}{60}[/tex]
We can turn 1/4 into all of the first three fractions by multiplying it by some version of 1, but we can't do the same for 3/9: trying to multiply 1/4 by 3/3 will get us a different fraction: 3/12. Additionally, 3/9 in lowest form is 1/3, and 1/3 is clearly not equal to 1/4.
A line that models the data is given by the equation
y= 1.62x + 18 , where y represents the wait time,
and x represents the number of staff available.
The slope of the line is -1.62. What does this mean in
this situation?
Answer:
Kindly check explanation
Step-by-step explanation:
Give the line of best fit :
y = 1.62x + 18 ; where ;
y = wait time ; x = number of staffs available
If slope of the line is -1.62.
The slope of linear graph represents the ratio of change in the y variable and the x variable. With a slope value of - 1.62, the rate of change is negative and thus an increase in x will lead to a decrease in y. This means that for every unit increase in the number of staffs, the wait time reduces at a rate of 1.62 per unit.
Determina la pendiente y el ángulo de la recta tangente a la función f(x)=x2-8x+16 en el punto a(6,4)
Answer:
[tex]4[/tex]
[tex]75.96^{\circ}[/tex]
Step-by-step explanation:
La función es
[tex]f(x)=x^2-8x+16[/tex]
La derivada de la ecuación nos da la tangente
[tex]f'(x)=2x-8[/tex]
El punto es [tex](6,4)[/tex]
Entonces en [tex]x=6[/tex]
[tex]f'(6)=2\times 6-8=4[/tex]
La pendiente de la tangente es [tex]4[/tex].
El ángulo de la pendiente está dado por
[tex]\tan\theta=m\\\Rightarrow \theta=\tan{-1}m\\\Rightarrow \theta=\tan^{-1}4\\\Rightarrow \theta=75.96^{\circ}[/tex]
El ángulo que forma la tangente con el eje x positivo es [tex]75.96^{\circ}[/tex]
Mr. Brown borrows $2,500 from his bank to buy a used car. The loan has a 5.4% annual simple interest rate. If it takes Mr. Brown 9 months to pay back the loan, how much interest will he be paying?
Answer:
2770
Step-by-step explanation:
Help please this is urgent!!! Worth a lot of points and if you answer all and they ere right u will get 5 stars and brainlyest!!! Please helppp!!!!!
In the following image, is parallel to , and is a transversal intersecting both parallel lines.
and the angle marked q° are angles.
The angles marked p° and q° are
The angle marked p° and are angles.
The angles marked q° and n° are angles.
The angles marked n° and m° are angles.
the answers for all of them are one of these
supplementary
corresponding
complementary
vertical
Ad number three for and five have adjacent as an answer. try to answer all please
Answer:
1: corresponding
2: supplementary
3: complementary
4: vertical
Step-by-step explanation:
Answer:
1: corresponding
2: supplementary
3: complementary
4: vertical
Step-by-step explanation:
Cómo simplifico [tex]x^{2} -2[/tex] ???
Answer:
x = -1
Step-by-step explanation:
you try to get x by itself in this case I devided x/2 and -2/2
What is the area of the irregular polygon QUART?
12t - 4-7t = 5t-4
a. No solution
b. One solution
c. Two solutions
d. Infinitely many solutions
Answer:
infinitely many solutions
Step-by-step explanation:
12t-5t=7t-7t=0=-4t=-4, 4+-4=0 so 0=0
1/5 x 1/2 *
mark you brainlyest
The answer will be 1/10. First you will change the denominator to the same number because you can’t mutiply fractions if the denominator is different. 5x2=10 and 2x5=10. So both of the denominator will turn into a 10. Now you’ll have to find the numerator. For the first one, multiply it by 2 because that how much the number need to turn equalvilant for the denominator. 1x2=2. So now you know that the first fraction is 2/10. Then you multiply 1 with 5 which is 5. Now the numbers all have the same denominator. Multiply 2/10 and 5/10 which is 1/10.
2. Katryn swims at a rate of 50 meters in 40 seconds. At this rate, how many meters
can she swim in 1 minute?
a. 1.25 meters
b. 60 meters
c. 70 meters
d. 75 meters
Answer:
D.) 75 meters
Step-by-step explanation:
1 minute is 60 seconds
So, you divide 60 divided by 40=1.5
1.5 times 50=75
75 meters
D.)
Hope this helped!! :)
Brainliest?!?!
Stay safe and have a nice day/night/afternoon!!!