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3 years ago

14

What is the third angle of a triangle if the other two are (3x-20)° and (4x+10)°

1 answer:

Karolina [17]3 years ago

8 0

Answer:

The other angle is 190-7x.

Step-by-step explanation:

Angles in a triangle add up to 180 degrees.

Let A be the third angle.

A + (3x-20) + (4x+10) = 180

A = 180 - (3x - 20) - (4x + 10) = 190 - 7x

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sergejj [24]

Answer:

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3 years ago

Work out the percentage to change to decimal places when a price of 200 is increased to 210.99

olya-2409 [2.1K]

Answer:

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Step-by-step explanation:

210.99/200=1.05495

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3 years ago

Taylor is comparing the prices of two mattress cleaning companies. Company A charges $30 per mattress and an additional $15 as s

Oduvanchick [21]

part A:

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3 0

3 years ago

Combine like terms - y + 9z - 16y - 25z + 4

alexandr402 [8]

$- 17y - 16z + 4$

Step-by-step explanation:

1) Collect like terms.

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2) Simplify.

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So, therefor, the answer is -17y - 16z + 4.

8 0

3 years ago

How do you make 1 1-2/1-6-7/8 a mixed number

AveGali [126]

Answer:

17/8

Step-by-step explanation:

2/1=2

11-2-6-7/8

9-6-7/8

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4 years ago