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4 years ago

12

Please help me! Due Thursday!

1 answer:

REY [17]4 years ago

4 0

Answer:

is c

Step-by-step explanation:

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two one dollar bills are exchanged for 14 coins all of which are either quarters or dimes. how many dimes were in the exchange

natta225 [31]

10 dimes

The $2 are exchanged for 10 dimes and 4 quarters, which make 14 coins total.

7 0

2 years ago

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What are the solution(s) to the quadratic equation 50 – x2 = 0?

timofeeve [1]

Answer:

No real solution

Step-by-step explanation:

Work is on another question for this. You have asked it multiple times

8 0

3 years ago

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HELP PLEASE!! Brainliest to whoever gets it right.

Aleks04 [339]

Answer:

A

Step-by-step explanation:

i think you might want to wait for other people because i dont know for sure

4 0

3 years ago

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Kyle is pulled back on a swing so that the rope forms an angle of 30° with the vertical. The distance from the top of the swing

olga_2 [115]

This would be 12 - 12*cos(30) = 12 - 6 $\sqrt{3}$ = 1.608 ft off the ground.

6 0

3 years ago

Calculate the average rate of change for the given function, from x = 2 to x = 7.

Marina86 [1]

$\bf slope = m = \cfrac{rise}{run} \implies 
\cfrac{ f(x_2) - f(x_1)}{ x_2 - x_1}\impliedby 
\begin{array}{llll}
average~rate\\
of~change
\end{array}\\\\
-------------------------------\\\\

\begin{array}{ccll}
x&f(x)\\
\text{\textemdash\textemdash\textemdash}&\text{\textemdash\textemdash\textemdash}\\
-2&0\\2&15\\7&30
\end{array}
\qquad 
\begin{cases}
x_1=2\\
x_2=7
\end{cases}\implies \cfrac{f(7)-f(2)}{7-2}\implies \cfrac{30-15}{5}
\\\\\\
\cfrac{15}{5}\implies 3$

5 0

3 years ago