MATHEMATICS MIDDLE SCHOOL

Celeste wants to have her hair cut and permed and also go to linch. She knows she will need $77. The perm costs twice as much as her haircut and she needs $5 for lunch. How much does the perm cost

Answers

Answer 1

Answer:

Answer: $24

Step-by-step explanation:

77-5=72

72/3=24

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Please answer the following, thanks!1. Jamal has 1,240 songs on his MP3 player, and 40% of the songs are rock songs. How many of the songs are NOT rock songs? 2. Rianda bought 32 apples. She set aside 25% to eat and divided the rest equally among 6 pies. How many apples are in each pie? 3. The math class has a set of 40 calculators, and 85% of the calculators have working batteries. How many calculators need new batteries?
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6d 1 = 15-d I really don't understand thisssss and my teacher won't help
PLX HELP MEEEEE SOOON

leo takes 30 minutes to eat dinner 15 minutes to change clothes and 20 minutes to walk to practice.if leo needs to be at hockey practice at 7:15 pm what time does he need to begin

Answers

Hi there, first let's add up the minutes, 30 minutes+15 minutes+20 minutes equals 65 minutes, 65 minutes equals 1 hour and 5 minutes. 7:15 pm, an hour before that is 6:15, 5 minutes before that is 6:10. Therefore, Leo needs to begin at 6:10 pm

6:10 pm if you want to be exact

Please Help What is the perimeter of a rhombus with diagonals that have a length of 12 and 9?I need application of rhombus properties and definitions, calculations, and application of perimeter.

Answers

Answer:

12×2+9×2=Perimeter.This a very easy

What is 5/8 times 4? Then simplify your answer.

Answers

The answer is 2 1/2. Because you need to cross cancel then you take the "freeway", and you get 5/2 and simplified is 2 1/2.And since half equals .5 it would be 2.5 just in case you also needed decimal.

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5/8 x 4/1multiply numerators 5 x 4=20multiply denominators 8 x 1=820/8= 5/2 or 2 1/2hope this helps

Describe how you would rewrite the fractions 1/6 and 1/4 with their least comon denominator.

Answers

1/6 - 6,12,18,24 (we counted by 6's, 2 times to get 12)
1/4 - 4,8,12,16 (we counted by 4's, 3 times to get 12)

12 is the LCD (Lowest Common Denominator) of the 2 fractions
*Now that we have the denominator, we need to find the numerator

1/12 - 1x2 (why 2? well because we had to count by 6's, 2 times to get 12)
1/4 - 1x3 (why 3? well because we had to count my 4's, 3 times to get 12)

2/12 and 3/12 is the answer

I hope you get it!!

I don’t which one it is?

Answers

Answer:

7.351

I don't know how they have rounded; the closest answer is A

Step-by-step explanation:

The only way I know to do this is with the cos law

y^2 = x^2 + z^2 - 2*x*z cos(Y)

x = 22

z = 16

y = ?

I have serious doubts that this will make a triangle. I ran it though a calculator and it does work -- surprise for me. Substitute the givens.

y^2 = 256 + 484 - 2*10*22*cos(13)

y^2 = 740 - 704*cos(13)

y^2 = 740 - 704*0.9744

y^2 = 740 - 685.95

y^2 = 54.05 Take the square root of both sides

y = √54.05

y = 7.351

Answer:

7.4

Step-by-step explanation:

The information given is in from SAS.

This is a job for law of cosines.

This is the law of cosines $a^2=b^2+c^2-2bc cos(A)$

The angle A is opposite side a and b,c are the other sides.

So 13 degrees is opposite the y there.

$y^2=16^2+22^2-2(16)(22)\cos(13)$

Now I'm going to put 16^2+22^2-2*16*22*cos(13) in my calculator:

$y^2=54.04347439$

Now one more step. To get rid of the square, you need to square root both sides:

$y=√(54.04347439)=7.351426691$

Sp the answer is approximately 7.4

jaylen is making biscuits using the recipe below 2 c flour,4tsp baking soda,1/2tsp,salt,2tbs lard,1c milk,1 small egg it makes 20 biscuits how many cups of flour to make 30 biscuits