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prisoha [69]
3 years ago
10

Simplify (-7b2)(-2b3)

Mathematics
1 answer:
Ivanshal [37]3 years ago
6 0

Answer: 145

Step-by-step explanation:

(−72)(−23)

−72(−23)

1423

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PLS HELP DUE SOON SHOW YOUR WORK!
Vladimir79 [104]

9514 1404 393

Answer:

  • 615.8 square feet
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Step-by-step explanation:

The area of the circular ring is given by the formula ...

  A = πr²

where r is the radius, or half the diameter.

  A = π(14 ft)² = 196π ft² ≈ 615.752 ft²

The area of the training area is about 615.8 square feet.

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The number of truckloads of dirt required for coverage will be ...

  (615.8 ft²)/(75 ft²/truckload) ≈ 8.21 truckloads

Since the dirt comes only in whole truckloads, Hilary needs 9 truckloads.

8 0
3 years ago
Divide this please urgent!
Sergeeva-Olga [200]

Answer:

3y² / x⁴z⁶

Step-by-step explanation:

12xy³z⁶ / 4x⁵yz¹² = 12/4 * x/x⁵ * y³/y * z⁶/z¹²

                           = 3 * 1/x⁴ * y² * 1/z⁶

                           = 3y² / x⁴z⁶

3 0
3 years ago
Read 2 more answers
It’s not b!!!! Help me please
forsale [732]

Answer:

D maybe? im not sure

Step-by-step explanation:

3 0
3 years ago
Rodney had 7 toffees MORE than Micah. Micah’s father then gave him 2 more toffees. How many toffees more than Micah would Rodney
WARRIOR [948]

Answer:

Rodney will have 9 toffees more than Micah.

Step-by-step explanation:

Let the numbr of toffee Micah have = x

So, the number of toffee Rodney have = x + 7.

Since, Micah's father gave him 2 more toffees.

Then, number of toffee Micah now have = x + 2

<em>So, number of toffees Rodney will have = (x+7) + 2 = x + 9.</em>

Hence, Rodney will have 9 toffees more than Micah.

5 0
3 years ago
Joseph has $620 to spend at a bicycle store for some new gear and biking outfits. Assume all prices listed include tax.
kobusy [5.1K]

Answer:

So our limit is the 620$ that he has to spend. We know for a fact that the bike costs about 427.57 dollars. 4  $11.38 reflectors are purchased as well as gloves for 31.41.  Now however many outfits he can purchase cannot exceed or go over his money limit of 620 so the variable (x) represents how many outfits he can buy without going over.

Step-by-step explanation:

4 0
3 years ago
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