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3 years ago

10

Help will give brainliest thank you

1 answer:

ddd [48]3 years ago

6 0

Plug in the numbers first (a = 2 and b = 3)
<span>(2+5) - 3/3-4 </span>+ <span><span>2(3+3)/</span><span>2

Remove parenthesis of 2 + 5
</span></span>2+5 - 3/3-4 + 2 * (3+3)/2

Solve
2+5 - (-3) + 2 * (3 + 3)/2
2 + 5 - (-3) + 2 * 6/2
2+5 - (-3) + 12/2
2 + 5 - (-3) + 6
2 + 5 + 3 + 6
16 is your answer

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3 years ago

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Polynomial equation solver

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3 years ago

Raquel has created a program for a robot. The robot travels 10 meters and stops. The program is designed for wheels that are 2.5

Grace [21]

Answer:

Raquel should adjust the number of rotations to 115.81 rotations

Step-by-step explanation:

step 1

Find the circumference of the wheels that are 2.5 cm in diameter

The circumference is equal to

$C=2\pi r$

we have

$r=2.5/2=1.25\ cm$

assume

$\pi =3.14$

substitute

$C=2(3.14) (1.25)$

$C=7.85\ cm$

step 2

Find the number of rotations

Divide 10 meters by the circumference

$10\ m=1,000\ cm$

$1,000/7.85=127.39\ rotations$

step 3

For a diameter of 2.75 cm find how should she adjust the number of rotations so that the robot travels the same distance

Find the circumference of the wheels

The circumference is equal to

$C=2\pi r$

we have

$r=2.75/2=1.375\ cm$

assume

$\pi =3.14$

substitute

$C=2(3.14) (1.375)$

$C=8.635\ cm$

step 4

Find the number of rotations

Divide 10 meters by the circumference

$10\ m=1,000\ cm$

$1,000/8.635=115.81\ rotations$

3 0

3 years ago