MATHEMATICS MIDDLE SCHOOL

the members of the drama club used .5 of the school gymnasium floor space to build a stage for a play. the drama club used .4 of this part of the gymnasium floor to build a backstage area. write an equation.

Answers

Answer 1

Answer:

Hello,

If this is the case, i would division.

4 devided by 5 is 1 reminder 1.

Plz mark brainliest

*i think i got it right!*

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at Mary's party 4/8 of the guest had chocolate ice cream and 3/8 of the guest had strawberry ice cream . what fraction of the ice cream was either chocolate or strawberry

Answers

7/8 because you add 4/8 and 3/8 together which is equal to 7/8.

7/8 I believe, as 4/8 had chocolate ice cream and 3/8 had strawberry and we don't know what the remaining 1/8 had, so just add who had strawberry and who had chocolate together and that will give you the probability.

3 people share 7 cookies. How many cookies does each friend get?

Answers

2 and 1/3 because

2+2+2=6
1/3+1/3+1/3=3/3 or 1

6+1 is 7

The answer is 2 and 1/3

What is the temperature, in degrees fahrenheit, shown on the thermometer to the nearest integer

Answers

it is negative 4 because the scale shows that each line is 2 and there is 5 lines between 0 and negative 10 and it is to lines below 0

A feeding trough was made by hollowing out half of a log. The trough is shaped like half a cylinder. It is 5 feet long and has an interior diameter of 1.5 feet. What is the volume of oats that will fill the trough?

Answers

Answer=4.18 feet³

The formula for the volume of a cylinder is:

V=πr²h

However, the cylinder in the problem is half cylinder, so we have to edit the formula to.

V=(πr²h)/2

Now lets plug in the information known...

diameter/2=radius
1.5/2=radius
0.75=radius

V=(π*0.75²*5)/2
V=(π*0.5625*5)/2
V=(π*2.8125)/2
V=(8.8357)/2
V=4.1785 feet³
round to the nearest hundredth
V=4.18 feet³

What is the divisor of 33 3/4

Answers

33 ÷ 3/4 = 33 × 4/3 = 44

the correct answer is 44 hope this helps

If you answer ALL questions listed, you get a good amount of points (3 questions, 5 points each, 15 points total) :D

1) Which pair are solutions to the equation?

4xy + 8 = 36

A.
(7, 1) and (3, 2)

B.
(1, 7) and (7, 1)

C.
(1, 7) and (4, 9)

D.
(4, 9) and (3, 2)

2)
Which of the ordered pairs in the form (x, y) is a solution of this equation?

5x - y over 3 = 13,
(2, -9) (3, -6)

A.
The first is not a solution, but the second is.

B.

Both are solutions.

C.

The first is a solution, but the second is not.

D.

Neither is a solution.

3)
Which ordered pairs in the form (x, y) are solutions to the equation

7x – 5y = 28?

Choose all answers that are correct.

A.

(−6, −14)

B.

(−1, −7)

C.

(4, 10)

D.

(7, 9

Answers

1)

$4xy+8=36\n4xy=28\nxy=7$

We know that each coordinate (x,y) must therefore multiply to equal 7. The only numbers that multiply to 7 are 7 and 1, so B) is the correct answer.

2)

For this one, just plug in the coordinates they give you for x and y and see if either one works:

$5x-(y)/(3)=13\ \ \ \ \ \ \ (2,-9)\n5(2)-((-9))/(3)=13\n10-(-3)=13\n13=13$

So the first one is a solution. Now plug in the second one:

$5x-(y)/(3)=13\ \ \ \ \ \ (3,-6)\n5(3)-((-6))/(3)=13\n15-(-2)=13\n17=13$

Therefore, the first is a solution and the second isn't making C) the correct answer.

3)

For this one, just plug in the ordered pairs they give you and see which ones end up working:

$7x-5y=28\n\nA. (-6,-14)\n7(-6)-5(-14)=28\n-42+70=28\n28=28\n\nB.(-1,-7)\n7(-1)-5(-7)=28\n-7+35=28\n28=28\n\nC.(4,10)\n7(4)-5(10)=28\n28-50=28\n-22=28\n\nD.(7,9)\n7(7)-5(9)=28\n49-45=28\n4=28$

A) and B) are the only ones that work out, so those are the correct answers.

1. 4xy+8=36

4xy=28

xy=7

2. 5(2)-(-9)/3=13

10-(-3)=13

13=13

5(3)-(-6)/3=13

15-(-2)=13

17≠13

3. 7(-6)-5(-14)=28

-42+70=28

28=28

7(-1)-5(-7)=28

-7+35=28

28=28

7(4)-5(19)=28

28-50=28

-22≠28

7(7)-5(9)=28

49-45=28

4≠28

Hope this helps... :)

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