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Pepsi [2]
3 years ago
15

Simplify the expression. 7x^2+3-5(x^2-4) edguneity

Mathematics
1 answer:
Law Incorporation [45]3 years ago
4 0

Answer:

2x^2+23.

Step-by-step explanation:

Combine like terms.

This expression simplified is 2x^2+23.

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4k-36 = 9k-44 what is k
Effectus [21]

4k-36 = 9k-44

add 36 to both sides:

4k =9k-8

subtract 9k from each side

-5k=-8

k = -8 / -5 = 8/5

7 0
4 years ago
I need to understand the solution
alina1380 [7]

Answer:

17:3

Step-by-step explanation:

Hope this helps!

5 0
3 years ago
How do I solve this math question ?
svlad2 [7]
You do the square root of 75
and then with that number you divide it by 5
and that is your answer
3 0
4 years ago
Read 2 more answers
Factor by grouping<img src="https://tex.z-dn.net/?f=%284y%5E3%20%2B%2028y%5E2%29%20%2B%20%28y%20%2B%207%29" id="TexFormula1" tit
Inessa05 [86]

We have the following expression given:

(4y^3+28y^2)+(y+7)

We can start selecting as common factor 4y^2 and we got:

4y^2(y+7)+(y+7)

Now we can select y+7 as common factor and we got:

(y+7)\left\lbrack 4y^2+1\right\rbrack

So then our final answer would be:

(y+7)(4y^2+1)

3 0
1 year ago
What is the common ratio for this geometric sequence 3,12,48,192,... A 16 B. 3 C. 4 D. 9
hram777 [196]

Answer:

4

Step-by-step explanation:

The common ratio is  found by taking the second term and dividing by the first term

12/3 = 4

We can check by taking the third term and dividing by the second

48/12 = 4

The common ratio is 4

3 0
3 years ago
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