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babymother [125]

3 years ago

12

The formula for the circumference C of a circle with diameter d is C = xd. Write an expression to represent the circumference of

the following circle

1 answer:

Bas_tet [7]3 years ago

6 0

Answer:

circumference of a circle is equal to π (22/7)×diameter of a circle

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Lydia drove 302 miles in 10 hours. on average, how fast did she drive in miles per hour? express your answer in simplest form.

vladimir1956 [14]

I think it is 30.2. I am not 100% sure though.

5 0

3 years ago

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Assume that all interest is simple interestBerger Car rental borrow $8500 at 4% interest to cover the increase cost of the auto

viva [34]

we know that

The formula of simple interest is equal to

$I=P(rt)$

In this problem

we have

I=$170

P=$8,500

r=4%=4/100=0.04

t=?

substitute given values in the formula

$\begin{gathered} 170=8,500(0.04t) \\ Solve\text{ for t} \\ t=\frac{170}{8,500*0.04} \\ t=0.5\text{ years} \end{gathered}$

therefore

0.5 years=6 months

<h2>The answer is 6 months</h2>

5 0

1 year ago

Which equation represents a linear function? A) y = |x| B) y = x2 C) y = -3x3 D) y = 1 4 x

Step2247 [10]

Linear means the highest exponent on the placholder is 1
it is also just a straight line

y=|x| is like y=(√x)², it is 2 straight lines

B. y=x², exponent is 2 so no

C. y=-3x³, exponent is 3, so no

D. y=1/4x, yep

D is the answer

5 0

3 years ago

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Solve each system using substitution: 7x-2y=1 2y=x-1

Mrrafil [7]

Hello :
<span>7x-2y=1 ...(1)
2y=x-1...(2)
</span><span>substitution 2y in (1) :
</span>7x-(x-1) = 1
7x-x+1 = 1
7x = 0
x=0
in (2) : 2y = 0-1
2y = -1 y= -1/2
the <span>system have one solution : (0 ;-1/2)</span>

7 0

3 years ago

(5v +37v2 - 80v - 69)/(v+9)

valina [46]

Answer:

-67-80v

Step-by-step explanation:

hope this helps!

3 0

3 years ago