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4 years ago

5

What would a model be for the math word problem Sammy has 50 pieces of gum. He wants to give 1/2 of the pieces to his brother an

d 3/4 of the pieces to his sister.

1 answer:

Dmitry_Shevchenko [17]4 years ago

4 0

Answer: X = 1/2(y)

Z= 3/4(x)

But x= 1/2(y)

So z = 3/4 * 1/2(y)

Z = 3/8(y)

Total= 1/2(y) +3/8(y) + 1/8(y)

Step-by-step explanation:

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2x+7y=11 is (-5,3) on the graph

Lelu [443]

Step-by-step explanation:

The given equation is :

2x+7y=11

We need to tell the point (-5,3) lies on the graph of the above equation of not.

Put x = -5 and y = 3 in the LHS of the above equation.

LHS = 2x+7y

= 2(-5)+7(3)

= -10 +21

= 11

It means, when we put x = -5 and y = 3 in the above equation, we get 11. Hence, (-5,3) lies on the graph of the equation.

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3 years ago

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Andrews [41]

The answer to this question is 7x

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4 years ago

Find the sum of 7a 3 14a 12 and -6a 3 12a 2 -7.

Mademuasel [1]

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3 years ago

Kathy designed a square patio. She made the sides of the patio 15 feet. What is the area of the patio?

viktelen [127]

Answer:

225 feet.

Step-by-step explanation:

15 X 15

6 0

3 years ago

50 POINTS!! find area

just olya [345]

Answer: $29in^2$

Step-by-step explanation:

The figure is formed by a square, a parallelogram and a rectangle.

Then, the area of the figure will be the sum of the area of the square, the area of the parallelogram and the area of the rectangle.

The area of the square is:

$Area_1=side^2=(2in)^2=4in^2$

The area of the parallelogram is:

$Area_2=base*height=(5in)(3in)=15in^2$

The area of the rectangle is:

$Area_3=length*width=(5in)(2in)=10in^2$

Therefore, the area of the figure is:

$Area_T=A_1+A_2+A_3\\Area_T=4in^2+15in^2+10in^2\\Area_T=29in^2$

6 0

3 years ago

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