3 years ago

What is a simplified form of the expression 2(–x + 2) + 3x?

Mathematics

2 answers:

Brrunno [24]3 years ago

6 0

In the simplified form the expression is x+4

garri49 [273]3 years ago

6 0

Answer:

x+4

Step-by-step explanation:

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90°-56°=(x+6)° what is x

Mrrafil [7]

$Answer: \\ x + 6 = 90 - 56 \\ \Leftrightarrow x + 6 = 34 \\ \Leftrightarrow x = 28$

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Ronch [10]

It will take 1 MINUTE for the horse to overtake the train.
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3 years ago

In a certain isosceles triangle, the base is 1 1/2 times as long as each leg and the perimeter is 63. How long is the base?

son4ous [18]

Answer:

The base is 27 units long.

Step-by-step explanation:

This is a solve the system question. Call the length of the base B and the length of each leg L. We are told:

$B=1.5L$

and

$B+2L=63$

Sub the first equation into the second:

$1.5L+2L=63\\3.5L=63\\L=18$

Now that we have the leg length, sub that into either of the original equations to find the base. I'll use the first equation:

$B=1.5(18)\\B=27$

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3 years ago

Identify the first 4 terms in the arithmetic sequence given by the explicit formula ƒ(n) = 8 + 3(n – 1).

alexandr402 [8]

Answer:

Step-by-step explanation:

f(n) = 8 + 3(n) - 3

f(n) = 5 + 3n

f(1) = 5 + 3(1)

f(1) = 8

f(2) = 5 + 3(2)

f(2) = 5 + 6

f(2) = 11

f(3) = 5 + 3*3

f(3) = 14

f(4) = 5 + 3*4

f(4) = 17

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3 years ago