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3 years ago

6

HELP!!! ASAP!!!! IMAGES ATTACHED!! MATH SUCKS!!!!

1 answer:

melomori [17]3 years ago

4 0

The correct answer would be the first choice. For each picture drawn, the total cost increases by $34.50.

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226Ra has a half-life of 1599 years. How much is left after 1000 years if the initial amount was 10 g?

Ray Of Light [21]

$\bf \textit{Amount for Exponential Decay using Half-Life}\\\\
A=P\left( \frac{1}{2} \right)^{\frac{t}{h}}\qquad 
\begin{cases}
A=\textit{accumulated amount}\\
P=\textit{initial amount}\to &10\\
t=\textit{elapsed time}\to &1000\\
h=\textit{half-life}\to &1599
\end{cases}
\\\\\\
A=10\left( \frac{1}{2} \right)^{\frac{1000}{1599}}$

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3 years ago

A rectangular garden has a length that is modeled by the expression 2 x – 7 and a width of 3 x 2 + 4 x. Part A: What is the area

borishaifa [10]

Area: (2x - 7) * (3*2 + 4x)
(2x - 7) * (6 + 4x)
8x-42

Perimeter: 2(2x - 7) + 2(3*2 + 4x)

5 0

3 years ago

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John scored 75, 82, 66, and 78 on his history tests. What score must John get on his next test in order to have a mean score of

Pachacha [2.7K]

[75 + 82 + 66 + 78 + x ] / 5 = 76

301 + x = 380

x = 79

3 0

3 years ago

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5. How many calories in a 2,500-calorie diet represent veggies in the circle graph? PLEASE HELP DUE VERY SOON

NeX [460]

Answer:

875 calories

Step-by-step explanation:

100%=2500calories

35% represents veggies

35*2500=87500÷100=875

875calories

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3 years ago

The distance between the post office and the park on a map is 3.75 inches. Each quarter inch on the map represents 0.5 miles. Th

dem82 [27]

The answer is 7.5 miles

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3 years ago

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