MATHEMATICS HIGH SCHOOL

1)-3a²b² *3a²b5=
-
2) (-4 α²b6)³ =
3)-4m³h5.5n².m4=
4) (-3m²² h ²)4
gggirl1122 avatar

Answers

Answer 1
Answer:

1. -9a^4b^7
2.-64a^8b^216

3.-4m^7.5n^7

4.-12m^22h^2

sry if its wrong, i cant see the question clearly :)
Answer 2
Answer:

Answer:

1.-9a^(4)l^(7)

2.-64a^(6) b^(18)

3.-20m^(7)n^(7)

4.-64m^(28) h^(8)

Step-by-step explanation:

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how much did briana save by purchasing a backpack that cost $45 with a sales promotion of 20% off instead of a backpack that cost $42 with a sales promotion of 10% off?

Answers

Start by doing a proportion for each one. 20/100= x/45. 45 times 20 equals 900. 900 divided by 100 equals 9. So 20% off is $9 which makes you pay $36. Do the next proportion. 10/100=x/42. 42 times 10 is 420. 420 divided by 100 equals 4.2. You would get off $4.2 which makes you pay $37.8. $37.8-$36= $1.8. Your answer is $1.8

Answer:

Its A

Step-by-step explanation:

The Waist to Hip Ratio (WHR) is a ratio, commonly expressed as a decimal that has been shown to be a good predictor of possible cardiovascular problems in both men and women. If a male has a WHR greater than 1, he is considered to be at high risk for cardiovascular problems. Calculate the WHR of a male with a waist measurement of 40 inches and a hip measurement 2 inches less.

Answers

40waist - 2 =38 hip
you divide the waist number by hip number 

40/38= 1.05

Solve : 11 (9-v)=0 a) -9 b) 9 c) 99 d)-99

Answers

B. V=9Multiply it out, then subtract 99 from both sides, then divide by 11
the answer would be 9

The Surf Shop gives surfinglessons to 72 people. If the
shop gives lessons to groups
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Answers

Answer:

15

Step-by-step explanation:

Just divide 72 by 5 because of there being 72 total peoples and them being DIVIDED into groups of 5.

72/5=14.4

Though you cant have a .4 group of people, so there would be 15 groups.

John, Paul, and George have a combined age of 91. Paul is 14 years younger than John. George is 6 years older than John. How old is all three gentlemen?

Answers

Paul is 19, John is 33, and George is 39

Answer: john is 33, paul is 19, george is 39

Step-by-step explanation:

63360 inches, and the risers of the steps of the capitol building are 8 inches high. Barry is visiting the capitol, and as he climbs up from the one-mile step, his altitude above sea level, in inches, is given by the following sequence: 63,360, 63,368, 63,376, 63,384, 63,392, ... What is Barry's altitude above sea level, in inches, when he is standing on the 55th step above the one-mile step (counting the one-mile step itself as step #1)?

Answers

This is an arithmetic sequence question
The formula for the nth term of a sequence is 1+(n-1)d where a is the first term(63360), n is the 55th term, d is the common difference between consecutive terms(63368-63360)=8
Altitude on 55th step= 63360+(55-1)8
                              =63360+(54x8)
                              =63360+432
                              =63792 inches
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