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2 years ago

Simplify –2x3y × xy 2.

Mathematics

1 answer:

user100 [1]2 years ago

8 0

$-2x^3y\cdot xy^2=-2x^{3+1}y^{1+2}=-2x^4y^3$

Used:

$a^n\cdot a^m=a^{n+m}$

Answer: C. –2x^4y^3

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Katie is getting her laundry done it cost $2.25 per square foot of flowers added to the yard if she wants 12.4 ft.² of flowers h

7nadin3 [17]

Answer:

Katie needs to pay $27.9.

Step-by-step explanation:

Given;

Cost of per foot = $2.25

Number of flowers in her yard = 12.4 square foot

We need to find how much she needs to pay.

Solution:

Now we know that;

$1\ ft^2 = \$2.25$

So for $12.4 ft^2$ = Cost for $12.4 ft^2$ .

By using Unitary method we get;

Cost for $12.4 ft^2$ = $2.25\times12.4= \$27.9$

Hence Katie needs to pay $27.9.

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3 years ago

Math 1125 – Unit 1 ~ Gunkelman Practice for Section 1.5 The Basics of Graphing Prep Skills The table represents the Seven Summit

marta [7]

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Then, we subtract

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1 year ago

The sides of a triangle are 7, 4, n. If n is an integer, state the largest and smallest possible values of n.

Sladkaya [172]

Answer:

4, 10

Step-by-step explanation:

The value for the third side of the triangle is given by

b-a < n < b+a where a and b are the two other sides of the triangle and b>a

7-4 < n < 7+4

3 < n < 11

Since n is an integer

4 would be the smallest value and 10 would be the largest

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3 years ago

Read 2 more answers

39 s 150% of what number?

professor190 [17]

Answer:

Hope this helps!

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2 years ago

The smiths have saved $25,000 toward the purchase of a new car. If the sales tax is 5%, the purchase price of smiths new car bef

lukranit [14]

Answer:

26,250

Step-by-step explanation:

25,000 + 5% = 26,250

:) please mark Brainliest

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3 years ago