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marishachu [46]
3 years ago
5

How to simplify -5a^2-19a^2-5a-8+12a^2-22-14a-2a?

Mathematics
2 answers:
beks73 [17]3 years ago
5 0
<span> -5a^2-19a^2-5a-8+12a^2-22-14a-2a
first gather all same powers
-5a</span>²-19a²+12a²-5a-14a-2a-8-22
-12a²-21a-30
-3(6a²+7a-+10)
seropon [69]3 years ago
5 0

okay so first let's identify all the like terms in this equation

- 8 & - 22

-5a^2, - 19a^2, 12a^2

-5a, -14a, -2a

we can combine each of these sets of like terms separately and then write them all out together

so combining - 8 and - 22 is - 30

- 5a^2 and -19a^2 is -24a^4, then combining it with positive 12a^2 leaves you with -12a^2

-5a, -14a, - 2a is - 21a

so we have - 30 - 21a - 12a^2 as a finished result

however if your teacher wants you to factor then you have:

3(-7a - 4a^2 - 10)

or

-3(7a + 4a^2 +10)


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Afina-wow [57]

Answer:

3.249 X 10^-2

Step-by-step explanation:

2.

\huge 0.03249 = 3.249 \times  {10}^{ - 2}  \\

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\huge 715 \times  {10}^{3}  = 715000 \\

6 0
4 years ago
The slope of line 1 is -1/2 and line 1 is parallel to line2. What is the slope of line2?
inna [77]

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It follows quite immediately that line 2 has also slope -1/2.

6 0
4 years ago
Evaluate the geometric series. Please help me out!!!
vredina [299]

Answer:

- 1364

Step-by-step explanation:

The n th term of a geometric series is

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where a is the first term and r the common ratio

4(-2)^{n-1} ← is an n th term

with a = 4 and r = - 2

The sum to n terms of a geometric series is

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S_{10} = \frac{4((-2)^{10}-1) }{-2-1}

      = \frac{4(1024-1)}{-2-1}

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6 0
3 years ago
If a quarterback takes a 13-yard loss<br> when he is sacked, what Integer<br> represents that loss?
allochka39001 [22]

Answer:

-13

Step-by-step explanation:

An integer is an whole number without decimals and fractions and can be negative, positive or 0.

In this scenario, the quarterback is losing 13 yards. The loss means that the 13 is negative, because positive would mean that he gains 13 yards. Therefore the loss is represented by the integer -13.

Hope this helped!

7 0
3 years ago
Can someone help me ASAP
garik1379 [7]
The first answer is c
7 0
3 years ago
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