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kotykmax [81]
3 years ago
13

Help me with this pls

Mathematics
1 answer:
Marta_Voda [28]3 years ago
6 0

Answer:

m=76

Step-by-step explanation:

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Completely factorize (2x+3)^-2 + 2x(2x+3)^-3
Alexxx [7]
Hello,

\dfrac{1}{(2x+3)^2} + \dfrac{2x}{(2x+3)^3} \\

= \dfrac{(2x+3)+2x}{(2x+3)^3}\\

= \dfrac{4x+3}{(2x+3)^3}
4 0
3 years ago
A bookstore had 81 copies of a magazine. Yesterday the bookstore sold
olga2289 [7]

Answer:

The question is unclear, but if the book store sold 9 copies total, they sold 2 yesterday.

Step-by-step explanation:

I am not sure how many copies were sold in total but here is how you can solve it- Get the total amount of copies and subtract the number of copies sold in total. Then get the difference and subtract 7 from it. The difference is your answer.

7 0
3 years ago
In the last year, U.S. car sales of all makes and models have dropped by 16%. Let's say that a car dealer sells 325 cars. If thi
IRINA_888 [86]

Answer:

c. 273 cars

Step-by-step explanation:

First you need to find what 16% of 325 is

325x.16=52

because the number sold dropped by 16% you will subtract 52 from 325

325-52=273

you can also calculate the answer by subtracting 100% by 16%

100%-16%=84%

now you can calculate 84% of 325

325x.84=273

6 0
3 years ago
What is the measure of the indicated angle?<br> A 180°<br> B 110°<br> C 70°<br> D 90°
ikadub [295]

Answer:

D. 70°

Step-by-step explanation:

the sum of the unknown angle and 110° is 180 °

so, let the unknown angle be x

x+110 = 180

x = 180-110

x = 70°

8 0
2 years ago
2 ordered pairs of 6x+9y=0
jeka94

Answer:

1st

6x+9y=0

9y=6x

Y=6x/9

2nd

6x+9y =0

6x=9y

X=9y/6 ans

4 0
3 years ago
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