MATHEMATICS MIDDLE SCHOOL

What is 5 1/2 divided by 3/4?
HELP please I need immediately!!

Answers

Answer 1
Answer: 5(1)/(2):(3)/(4)=(5\cdot2+1)/(2):(3)/(4)=(11)/(2)\cdot(4)/(3)=(11)/(1)\cdot(2)/(3)=(11\cdot2)/(3)=\boxed{(22)/(3)=7(1)/(3)}
Answer 2
Answer:  5 1/2 divided by 3/4? = 11/2 / 3/4
= 11/2 * 4/3
= 44/6 = 7 2/6 = 7 1/3
 SO ANSWER IS 7 1/3

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Which of the following are solutions to the equation below? Check all that apply. 9x^2-64=0A. 8
B. -8
C. -3/8
D. 3/8
E. -8/3
F. 8/3

Answers

Answer:

E. -8/3

F. 8/3

Step-by-step explanation:

9x^2-64=0

Add 64 to each side

9x^2-64+64 = 0+64

9x^2 =64

Divide each side by 9

9x^2/9 = 64/9

x^2 = 64/9

Take the square root of each side

sqrt(x^2) = ±sqrt(64/9)

We know that sqrt(a/b) = sqrt(a)/sqrt(b)

x = ±sqrt(64)/sqrt(9)

x = ± 8/3

Marcy has 567 earmuffs in stock if she can put 18 earmuffs on each shelf how many shelves does she need for all of the earmuffs I also need to estimate the whole problem

Answers

She's going to need about 30.
Estimate 34.
567 divide 18 =31.5
therefore she needs 32 shelves to stock all the earmuffs. 

36 is 80% of what number

Answers

If 36 is 80% ( a piece) of a number. that means the number must be higher than 36

Changing the English to math:

36 = 80% x n  (n being the number)
36= .8n  (changed the percent to a decimal by moving it back two places
36 = .8n
.8      .8    I divided both sides by .8 - when you divide a number by a decimal (less than one) the number will become larger.
The answer is 45

How to factor 27 - 9x + 15y

Answers

27-9x+15y

Factor out common  term 3 :

= 3(5y-3x+9)

hope this helps!

What is the perpendicular adjacent sides in the triangle

Answers

"Adjacent" means next to each other. "Perpendicular" means at an angle of 90 degrees. 
Rectangles (this includes squares) have adjacent perpendicular sides. So do right triangles.
adjecent basically means "next to"  and perpindicular is meeting at an right angle (90 degrees) so squares have them and right angle triangles do to.

Mai bought a television for $325. The tax rate is 8%. Which proportion can be used to find the amount of tax Mai will pay

Answers

You haven't included the list of choices that go with this question.

Mai will pay 8% of $325 in tax.

8% means 0.08
"of" means"times"

0.08 x $325 = $26
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