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2 years ago

Mrs. Perez has 28 students and 5

Mathematics

2 answers:

storchak [24]2 years ago

4 0

Answer:

Its multiplication and the awnser is 20

Step-by-step explanation:

I took the assignment

solniwko [45]2 years ago

3 0

Answer:39 1/5

Step-by-step explanation:

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Y/7=2 helpppppppppppppp

Natali5045456 [20]

Answer:

y=14

Step-by-step explanation:

1.Multiply all terms by the same value to eliminate fraction denominators

2. Simplify it and it gives you 14

6 0

2 years ago

Which two solids have the same number of faces?

Vera_Pavlovna [14]

We need the pictures

6 0

3 years ago

Read 2 more answers

What is the area of this figure? Enter your answer in the box. in²,

pantera1 [17]

Answer:

400 in²

Step-by-step explanation:

(20×16) + (½×8×20)

320 + 80 = 400 in²

8 0

2 years ago

POINTS X, Y and Z are COLLinear. You are given

Anon25 [30]

Answer:

129

Step-by-step explanation:

Collinear means that the points X, Y, and Z are on the same line. The question asks for one possible value of YZ, so for this, let's assume point X is between Point Y and Point Z.

This means...

XY+XZ=YZ

54+75=YZ

YZ=129

5 0

2 years ago

Solve the system of linear equations by elimination 2x+7y=1 2x-4y=12

pishuonlain [190]

$\left\{\begin{array}{ccc}2x+7y=1\\2x-4y=12&\text{change the signs}\end{array}\right\\\\\underline{+\left\{\begin{array}{ccc}2x+7y=1\\-2x+4y=-12\end{array}\right}\qquad\text{add both sides of equations}\\.\qquad\qquad11y=-11\qquad\text{divide both sides by 11}\\.\qquad\qquad \boxed{y=-1}\\\\\text{Put the value of y to the first equation:}\\\\2x+7(-1)=1\\2x-7=1\qquad\text{add 7 to both sides}\\2x=8\qquad\text{divide both sides by 2}\\\boxed{x=4}\\\\Answer:\ \boxed{x=4\ and\ y=-1\to(4,\ -1)}$

3 0

3 years ago