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zavuch27 [327]
4 years ago
13

DOES ANYONE KNOW HOW TO DO THIS???????????????

Mathematics
1 answer:
8090 [49]4 years ago
3 0

Answer:

1)2x^2 2)8x^3 3)4x-8

Step-by-step explanation:

1- you plug in x in g but nothing changes so then h and gyou just add 2- you plug in x in g again but once again, it remains the same so you just multiphy g and h and you get 8x^2 3- you plug in -2 into g to get 8 and then subtract it form h

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What is the measure of each interior angle?
Sergio [31]

Answer:

144°

Step-by-step explanation:

The angles of a decagon add up to 1440°

1440/10=144

6 0
3 years ago
Read 2 more answers
Ram is 9 years older than Hari. Three years ago, he was two times as old as Hari was. Find their present age.
True [87]

Answer:

Ram: 21, Hari: 12

Step-by-step explanation:

To solve the problem, we can use the following notation. We call:

r = Ram's age at present

h = Hari's age at present

We know that:

- Ram is 9 years older than Hari --> mathematically, this can be written as

r=h+9

- Three years ago, Ram was two times as old as Hari was --> mathematically, this can be written as

r-3=2(h-3)

where (r-3) is Ram's age 3 years ago, while (h-3) is Hari's age 3 years ago

Substituting eq.(1) into eq.(2), we  find:

(h+9)-3=2(h-3)\\h+9-3=2h-6\\h+6=2h-6\\h=12

So, Hari's age is 12; therefore, Ram's age is

r=12+9=21

4 0
4 years ago
The sum of 10 and hans savings is 49. Use the variable h to represent Hans savings.
andrey2020 [161]

Answer:

39 I believe. The question is a little confusing.

Step-by-step explanation:

49-10=h 39=h

Not sure if this is what you want the question is worded weirdly.

7 0
3 years ago
The product of 9 and x is less or equal to -17
Grace [21]

Answer:

x≤-17/9

Step-by-step explanation:

9x≤-17

1) Divide both sides by 9:

x≤-17/9

6 0
3 years ago
7 + p + 9 equals 17 solve for p​
xxTIMURxx [149]

Answer:

p=1

Step-by-step explanation:

5 0
4 years ago
Read 2 more answers
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