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dexar [7]
3 years ago
12

Each problem is worth 10 points each. (For each problem show your work and give a brief explanation of how you solved your probl

em.)
There are 5^12 blades of grass in each acre of land, and a section of land has 5^7 acres of land. How many blades of grass does the land have? Leave your answer in the for a^b and simplified form.

A swimming center builds a new pool that has the dimensions 3a^6 by a^2 by b^4. What is the volume of the pool?
Mathematics
1 answer:
maxonik [38]3 years ago
5 0
It’s a big problem it’s deserve 20 points you can’t play people make it fair
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3x + 2y = 14. X + y = 5. Work put the values of x and y
andrey2020 [161]

Answer:

x = 4 , y = 1

Step-by-step explanation:

3x + 2y = 14 → (1)

x + y = 5 → (2)

Multiplying (2) by - 2 and adding to (1) will eliminate the y- term

- 2x - 2y = - 10 → (3)

Add (1) and (3) term by term to eliminate y

x = 4

Substitute x = 4 into (2) and evaluate for y

4 + y = 5 ( subtract 4 from both sides )

y = 1

7 0
3 years ago
Please help as fast as you can.
weeeeeb [17]

Answer:

cos\theta=\sqrt{\frac{85}{121}}

tan\theta=\frac{6}{\sqrt{85}}

Step-by-step explanation:

given, sin\theta=\frac{6}{11}

since, sin^2\theta+cos^2\theta=1

cos^2\theta=1-sin^2theta

cos^2\theta[/tax]=1-[tex]\frac{36}{121}

                                 =\frac{121-36}{121}

                                 =\frac{85}{121}

cos\theta=\sqrt{\frac{85}{121}} answer

tan\theta=\frac{sin\theta}{cos\theta}

  tan\theta=\frac{6}{\sqrt{85}}  answer                      

7 0
3 years ago
Simplify the expression: <br>20m^3<br>over<br>32m^5
hoa [83]

Answer:

5 over 8m ^2

Step-by-step explanation:

20m^3

32m^5

m^3 divided by m^5 equals one over m^2.

20 divided by 32 is 5 over 8.

Multiply these and you'll get 5 over 8m^2

4 0
3 years ago
Read 2 more answers
Pairs of shoes are manufactured for $24. They are sold to a warehouse with a mark-up of 15%. The warehouse sells the shoes to a
scZoUnD [109]

Answer: ‭$54.75

Step-by-step explanation:

The price the shoes are sold to the warehouse is:

= 24 * ( 1 + 15%)

= 24 * 1.15

= $27.60

The price the warehouse sells it is:

= 27.60 + 10

= $37.60

Price distributor sells is:

= 37.60 * 1.12

= $42.112

Fine shoes will then sell at 30% profit:

= 42.112 * 1.3

= $‭54.7456‬

= ‭$54.75

6 0
3 years ago
Helpp meee pleaseee:/
NNADVOKAT [17]
I believe you are right! Good job it is -910
7 0
4 years ago
Read 2 more answers
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