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Tpy6a [65]
2 years ago
10

Kevin is sowing seeds in the flower beds of his garden. He sowed 30% of the flower beds in 15 minutes. How much longer will it t

ake him to sow the rest of the field?
Mathematics
1 answer:
g100num [7]2 years ago
4 0
It will take her 35 minutes
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Solve. -1/3b = 9<br> A.-3<br> B.3<br> C.-27<br> D.27
STALIN [3.7K]
Ok so lets plug in a first -1/3(-3) would equal 9 a is the accurate  answer
3 0
3 years ago
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describe how to transform (^5 square root x^7)^3 into an expression with a rational exponent. make sure you respond with complet
diamong [38]

Answer:

x^\frac{21}{5}

Step-by-step explanation:

We are given an expression and we have to transform it into an expression with exponent.

5th root of x can be written as x^\frac{1}{5}

(\sqrt[5]{x^7})^3\\\\((x^7)^\frac{1}{5} )^3


The powers outside will be multiplied as: (x^a)^b = x^{ab}

(x^\frac{7}{5} )^3\\x^\frac{7*3}{5}\\x^\frac{21}{5}


where the exponent is \frac{21}{5} and it is a rational number by definition of rational numbers

3 0
3 years ago
Jelaskan ciri-ciri lingkungan bersih tolong di jawab yaah ​
rusak2 [61]

Answer:

huh hi what is the question?????

Step-by-step explanation:

5 0
2 years ago
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What does it mean for the ratio of surface area to volume to be small or large? Which ratios are better economically?
ValentinkaMS [17]
The goal is to get the volume as large as possible while the surface area is made as small as possible. Why? Because the volume is the amount of stuff you can hold and the surface area is the amount of material to make the container.

Consider an example of making a cup. The inside portion is the amount the cup can hold. The more liquid, the better. The cup makers want to use as little material as possible so that they reduce costs. If the cup makers produce a cup that has volume of 10 cubic inches and uses 10 square inches of material, then the surface area to volume ratio is 10:10 which reduces to 1:1. A more efficient cup is made if that same volume (10 cubic inches) can be made for less material say 5 square inches to make the ratio now 5:10 which reduces to 1:2. 

So in summary, reducing the surface area to volume ratio will make more sense economically as the company makes more money while reducing costs (therefore increasing overall profit)
3 0
3 years ago
Read 2 more answers
WILL MARK BRAINLIEST
Zanzabum

Answer:

A.) (x + 2) and (2x - 1)

Step-by-step explanation:

So from the video i just watch this is how its done

3 (2x^2 + 3x - 2) = 0

4  and -1 gives you 3 and you divide them by a which is 2

4/2 (2/1) and -1/2 then you write them from the bottom to top

(x + 2) and (2x - 1)

Answer:

B.) 20 (x + 5) (x - 5) = 0

Step-by-step explanation:

20 (x^2 - 25) = 0

20 (x + 5) (x - 5) = 0

EZ

8 0
2 years ago
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