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ruslelena [56]
2 years ago
9

Evaluate the expression when x=7 and y=-3. 5y2-x

Mathematics
2 answers:
DIA [1.3K]2 years ago
7 0

Answer:

-37

Step-by-step explanation:

It would be greatly appreciated if you gave me brainlest

natta225 [31]2 years ago
7 0
-37. You multiply first
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Finn looked at 4 websites every 16 hours. At that rate, how many would he look at in 8 hours?​
Leviafan [203]

Answer:

2 Websites

Step-by-step explanation:

16 divided by 2 is 8. 8 hours means 2 websites

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2 years ago
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Me pueden ayudar a saber el resultado y la operacion de la ecuacion 8-5x=8+2x por favor me urge
My name is Ann [436]
<span>8-5x=8+2x is to be solved for x.

Group the x terms together:    </span><span>8=8+2x+5x  =>  0 = 7x   =>  x = 0</span>
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3 years ago
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What is the radian measure of the central angle of a circle of radius 1.5 meter that intercepts an arc of length 600 centimeters
Maksim231197 [3]

Radian measure of the central angle is 4 radian

<em><u>Solution:</u></em>

Given that,

A circle of radius 1.5 meter that intercepts an arc of length 600 centimeters

To find: Radian measure of the central angle

Let us find the circumference of circle

The circumference of circle is given as:

\text{ circumference of circle } = 2 \pi r

Where "r" is the radius of circle

\text{ circumference of circle } = 2 \times \pi \times 1.5 = 3 \pi

Therefore circumference of circle = 3 \pi meters , which subtends central angle of  2 \pi radian

Given that arc of length 600 centimeters. Let us convert 600 centimeter to meter

We know that, to convert centimeter to meter divide the length value by 100

\text{ 600 centimeter } = \frac{600}{100} \text{ meter } = 6 \text{ meter}

<u><em>Therefore arc of 6 meter will subtend a central angle of:</em></u>

\rightarrow \frac{6}{3 \pi} \times 2 \pi = 4

Therefore radian measure of the central angle is 4 radian

7 0
3 years ago
I need help on this math homework.. Could someone please help?
ipn [44]

I believe its C, It's just process of elimination.

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