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4 years ago

Will give brainlist please help me

Mathematics

1 answer:

o-na [289]4 years ago

7 0

Answer:

x=8

Step-by-step explanation:

When trying to figure this out, you may see that x might be 8. Since the angels are all 120 degrees and equal up to 360 degrees (full size,) x will equal 8.

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What is the solution of the following systems of equations? y = 1/2x y = -x -3

SVEN [57.7K]

Answer:

x = -2, y = -1

Step-by-step explanation:

System of Equations

Solve the system:

y = 1/2x

y = -x - 3

Multiplying the first equation by 2:

2y = x

Substituting x in the second equation:

y = -2y - 3

Adding 2y:

3y = -3

y = -3/3

y = -1

And x = 2*(-1) = -2

Solution: x = -2, y = -1

7 0

3 years ago

Hi! Can someone answer and explain how you got that answer? I’m practicing for the asvab, if you can explain in the most simplif

inysia [295]

Answer:

D.)

Step-by-step explanation:

multiply every side by 5 since it's a square each side is equal!

4 0

3 years ago

-3(2r-4) > 2(5-3r) Whats the inequality?

VLD [36.1K]

-3 (2r - 4) > 2 (5 - 3r)
-6r + 12 > 10 - 6r
12 > 10

There is no solution

4 0

4 years ago

Read 2 more answers

what is the slope of a line is PARALLEL to the line with this equation y=<img src="https://tex.z-dn.net/?f=y%20%3D%20%20%5Cfrac%

Gwar [14]

Our line equation is

$y=\frac{1}{2}x+7$

where the slope m=1/2 and the y-intercept b is b=7.

Parallel lines has the same slope. Hence, their slope is always

$m=\frac{1}{2}$

in this case.

6 0

1 year ago

Charlotte drives 64 mph for the first 3 hours of her trip and 92 mph for last 4 hours.

german

Answer:

80 mph

Step-by-step explanation:

$\boxed{\sf Distance=Speed \times Time}$

First leg of trip

Speed = 64 mph
Time = 3 hours

$\implies \sf Distance =64\times 3 = 192\:miles$

Second leg of trip

Speed = 92 mph
Time = 4 hours

$\implies \sf Distance=92 \times 4 = 368\:miles$

$\boxed{\sf Speed=\dfrac{Distance}{Time}}$

To find the average speed:

$\begin{aligned}\implies \sf Average\:speed & = \sf \dfrac{Total\:distance}{Total\:time}\\\\ & = \sf \dfrac{192+368}{3+4}\\\\& = \sf \dfrac{560}{7}\\\\ & = \sf 80\:mph\end{aligned}$

6 0

2 years ago

Read 2 more answers

Will give brainlist please help me ​

Will give brainlist please help me