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3 years ago

Give one example of when you would use the friendly numbers strategy to subtract

1 answer:

5 0

There is no strategy to subtract. So if you want to see a way how they you might be asking a question like how do you use a strategy to divide in subtracting <span />

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The length of the second side of a triangle is 2 inches less than the length of the first side.The length of the third side is 1

Luda [366]

Answer:

The lenght of the tree sides of the triangle are:

first side: 21 inches

second side: 19 inches

third side: 33 inches

Step-by-step explanation:

a + b + c = 73

b = a - 2

c = a + 12

a = leght of the first side of the triangle

b = lenght of the second side of the triangle

c = lenght of the third side of the triangle

then:

a + (a-2) + (a+12) = 73

3a - 2 + 12 = 73

3a + 10 = 73

3a = 73 - 10

3a = 63

a = 63/3

a = 21 inches

b = a - 2

b = 21 - 2

b = 19 inches

c = a + 12

c = 21 + 12

c = 33 inches

Check:

21 + 19 + 33 = 73

related task:

https://brainly.lat/tarea/1029254

6 0

3 years ago

Find the area and perimeter of the figure below.

kkurt [141]

Answer:

Area: 6x+6

Perimiter: 4x+10

Step-by-step explanation: to find the area of something multiply the width times the height. to find the perimeter of something add each side together. use the order of operations (PEMDAS).

Area=3(2x+2)

Area=6x+6

Perimeter=3+3+(2x+2)+(2x+2)

Perimeter=6+4x+4

Perimeter=4x+10

6 0

3 years ago

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Using a graph, table of values, and/or equations solve the following problem.

olchik [2.2K]

Answer:

n = 11/3

Step-by-step explanation:

n = certain number

6n - 1 = 21

6n = 22

n = 22/6 or 11/3

3 0

3 years ago

Please help!! it’s overdue

Gnesinka [82]

9 I think, soo sorry if i'm wrong...

6 0

3 years ago

Can someone pls help

Mars2501 [29]

Answer:

Step-by-step explanation:

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3 years ago

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