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3 years ago

HELP i don’t know how to do this

Mathematics

2 answers:

Natalija [7]3 years ago

8 0

Answer:

Step-by-step explanation:

the top and right are a-b, but you have to add the b’s back in, so really all sides are a

a+a+a+a=4a

REY [17]3 years ago

5 0

Answer: 4a

Step-by-step explanation: perimeter is the length of all sides added together. Every length is given combine like variables and you will get 4a+2b-2b. 2b-2b is 0 which leaves you with 4a

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nika2105 [10]

An acute angle is infact 90 degrees, therefore your answer is correct.

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2 years ago

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Hunter-Best [27]

9.36 is what it equals

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3 years ago

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Gina has 5 2/6 feet of silver ribbon and 2 4/6 of gold ribbon

topjm [15]

Answer:

5 2/6 + 2 4/6 = 8

Step-by-step explanation:

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3 years ago

Slope -7 and y-intercept (0,9)

faust18 [17]

Answer:

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3 years ago

Luke has $21 more than Rachel and $48 more than Daniel. All together they have $

KengaRu [80]

This can be solve by 3 variable equation
let x be the money of luke
y money of rachel
z money of daniel
first equation
x = y + 21
second equation
x = z + 48
third equation
x + y + z = 168
solving simultaneously
x =79
y = 58
z = 31

3 0

4 years ago