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Solnce55 [7]
3 years ago
7

PLEASE HELP THIS IS MY FINAL EXAM FOR ALGEBRA

Mathematics
1 answer:
9966 [12]3 years ago
7 0

Answer:

The answer is 1,300 people

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Show all of your work. Simplify the expression: - 3a + 7 + 5a​
Eva8 [605]

Answer:

2a + 7

Step-by-step explanation:

-3a + 7 +5a

<em>subtract the negative 3 from the 5</em>

2a + 7

4 0
2 years ago
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If f(x) = -7x + 5x2 + 10, what does f(-2) equal?
aksik [14]

Answer:

f(-2) = 44

Step-by-step explanation:

Hello there! Lets get started solving this function!

For a function, whenever we see f(x) = ... , the function is simply asking the value of the equation at x! So, if replace f(x) with f(-2), we simply substitute x with -2 in the equation! Lets get started!

f(x) = -7x + 5x^{2} + 10\\f(-2) = -7(-2) + 5(-2)^{2} + 10\\f(-2) = 14 + 20 + 10\\f(-2) = 44\\

First, we can write the original function. Next, we substitute in -2 for x. Then, we find our final terms. Finally, we are given that f(-2) = 44.

Hope this helps! Remember, math is fun!

7 0
3 years ago
A shop advertised a 27% off sale. If a coat originally sold for 253 , find the decrease in price and the sale price
OverLord2011 [107]
253 * 0.27= 68.31 (discounted price)

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A display order of numbers are called​
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I think

A display order of numbers are called​ <u>sequences</u>.

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168 miles 3 hours how many miles per hours can i go
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168/3=56. 56 miles per hour.
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