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kotykmax [81]
3 years ago
10

Which expression is equivalent to 15c + 20?

Mathematics
2 answers:
Mrrafil [7]3 years ago
8 0

Answer:

5(3c+4)

brainlist please

BlackZzzverrR [31]3 years ago
5 0

Answer: (3c+4)

Step-by-step explanation:

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Find the nth term of a gp with (a. find term = 5, common ratio = 2​
Rina8888 [55]

Step-by-step explanation:

we know,

tn= a {(r)}^{n - 1}  \\ T5 = a {(2)}^{5 - 1}  \\ t5 = a \times  {2}^{4}  \\  = 16a

Therefore, nth term of a given gp is

16a

7 0
3 years ago
Find the slope of the line that contains the points (-5, 3) and (-1, -5).
My name is Ann [436]
Slope of the line
(3-(-5)) / (-5-(-1))
8 / -4
-2
3 0
3 years ago
Jana pencil is 8.5cm long.teds pencil is longer.what is the length of Ted's pencil
Mumz [18]
This is not enough info to determine the length of teds pencil
3 0
4 years ago
Read 2 more answers
-8x-27=-7\left(1+2x\right)+2x
Darina [25.2K]

Answer:

x=5

Step-by-step explanation:

-8x-27=-7\left(1+2x\right)+2x

Expand:

-8x-27=-7\times 1-7\times 2x+2x

-8x-27=-7-12x

Add 27 to both sides:

-8x-27+27=-7-12x+27

-8x=-12x+20

Add 12x to both sides:

-8x+12x=-12x+20+12x

4x=20

Divide both sides by 4:

\frac{4x}{4}=\frac{20}{4}

x=5

5 0
3 years ago
A person is walking at a rate of 9 feet every 4 seconds.(b) Given the rate in (a), how far would this
Crank

Answer:

2.25 feet

31.5 feet

Step-by-step explanation:

Given that the person travels 9 feet every 4 seconds, it means that in one second, the distance walked

= 9/4

= 2.25 feet

If the person walks 2.25 feet in a second then in 14 seconds, the distance walked

= 2.25*14/1

= 31.5 feet

8 0
3 years ago
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