MATHEMATICS MIDDLE SCHOOL

Brian has 3/4 hour to work on his math problem. It takes him 1/8 hour to finish one math problem. How many math problems can brian finish during this timeA.8
B.6
C.4
D.3

Answers

Answer 1
Answer:

There are 6 math problems can brian finish during this time.

What is the unitary method?

Unitary method is a process by which we find the value of a single unit from the value of multiple units and the value of multiple units from the value of a single unit.

Brian has 3/4 hour to work on his math problem. It takes him 1/8 hour to finish one mathproblem.

Brian has 3/4 hour to work on his math problem.

\rm =(3)/(4)\n\n=0.75 \ hours

It takes him 1/8 hour to finish one math problem.

=(1)/(8)\n\n=0.125

The number of mathproblems can brian finish during this time is;

=(0.75)/(0,.125)\n\n=6

Hence, there are 6 math problems can brian finish during this time.

Learn more about unitarymethod here;

brainly.com/question/13795269

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Answer 2
Answer: The answer would be b because you first should look at all your choices for example b which is 6 so the fraction would be 6/8 then since 8divided by 4 the denominators is 2 you would also divide the numerator by 2 so 6 divided by 2 is three and that equals 3/4 hope you find this helpful do you can do the next problem

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No they were not 48 men 

Math question from moby max . 8(3+a)=64 what is a

Answers

I hate mobymax but a is 5 because 5 + 3 is 8 and 8 times 8 is 64
Hey there, first we simplify 8(3+a)=64 into 8a+24=64, subtract 24 from both sides, 8a+24-24=64-24=8a=40, divide both sides by 8, 8a/8=40/8, a=5.

one case can hold 3 boxes. each box can hold 3 binders. how many cases are needed to hold 126 binders

Answers

The answer is 14 cases needed to hold 126 binders

3 boxes × 3 binder capacity=9
You divide 126 by 9(126÷9)= 14 cases needed

Hope I helped:P 
The answer is 14 because 3 times 3 is 9 and 126 divide 9 is 14.

Which is the solution to the inequality? 2 3/5< b-8/15

Answers

The solution to the given inequality is b > 47/15

How to find the solution of the inequality expression

Given the compound inequality expressed as;

2 3/5< b-8/15

Add 8/15 to both sides of the equation

2 3/5 + 8/15 < b-8/15 + 8/15

Yhe fraction at the right side cancels out to have;

2 3/5 + 8/15 < b

Swap the sides

b > 13/5 + 8/15

Find the LCM

b > 39+8/15

b > 47/15

Hence the solution to the given inequality is b > 47/15

Learn more on compound inequality here:brainly.com/question/24372553

Answer:

D.  b > 3 2/15

Step-by-step explanation:

I took the test

What is the Value of Y?

Answers

It's a geometric rule that all angles in a triangle add to 180°.

Because we are told that one of the three angles in our triangle is 72°, and the other two are equal (they are both 

Solve for x and y
3x-7y=6

7x+3y=72

Answers

This is a System of Equations, so basically what we want to do is to get one of these variables to equal zero. However none of the variables are equal, 7x doesn't equal 3x and 3y is not 7y. So we need to multiply both equations in the system to make one of these variables equal.

Let's Multiply The Top One By 3
3x - 7y = 6 \n 3(3x - 7y) = 3(6) \n 9x - 21y = 18
Let's Multiply The Bottom One By 7
7x + 3y = 72 \n 7(7x + 3y) = 7(72) \n 49x + 21y = 504
Now As You Can See 21y and -21y are equal, aand by that I mean that they will equal zero once added.

Now We Solve The System
1st. Add Straight Down Ex. 9x+49x, -21y+21y, 18+504
9x - 21y = 18\n 49x + 21y = 504
Add Straight Down
58x + 0y = 522 \n 58x + 0 * y = 522 \n 58x = 522
Now we Solve For X
58x = 522 \n (58x)/(58) = (522)/(58) \n x = 9

Now We've Found X, We Need Y, and We Can Find It By Plugging In X To One of The ORIGINAL EQUATIONS.

One Of The Original Equations
3x - 7y = 6

1st. X=9, So Replace X with 9

3(9) - 7y = 6 \n 27 - 7y = 6
Solve For Y

- 7y = 6 - 27 \n - 7y = - 21 \n ( - 7y)/( - 7) = ( - 21)/( - 7) \n y = 3

Now We Test It, X=9, Y=3
3x - 7y = 6 \n 3(9) - 7(3) = 6 \n 27 - 21 = 6 \n 6 = 6
AND

7x + 3y = 72 \n 7(9) + 3(3) = 72 \n 63 + 9 = 72 \n 72 = 72
SO: ANSWER
x = 9 \n y = 3
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