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Volgvan
3 years ago
9

The Lawn Order lawnmower factory can produce 10 lawnmowers in 7 hours. How many hours will it take to factory to produce 30 lawn

mowers?
Mathematics
1 answer:
vfiekz [6]3 years ago
8 0

Answer: 21 hours

Step-by-step explanation:

The lawn order can produce 10 landmowers in 7 hours.

This means that their speed is:

= 10/7

= 10/7 landmowers per hour

If they want to produce 30 lawnmowers, the amount of time they will take is:

= 30 ÷ 10/7 per hour

= 21 hours

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Question 1) When multiplying powers with the same base, keep the base and _______________ the exponents.
nika2105 [10]

The rules are

x^a\cdot x^b = x^{a+b}

\dfrac{x^a}{x^b} = x^{a-b}

Let me show you why with a couple of examples: suppose we want to multiply

4^3\cdot 4^2

Since powers are just repeated multiplications, we have

4^3\cdot 4^2 = \underbrace{4\cdot 4\cdot 4}_{4^3}\cdot\underbrace{4\cdot 4}_{4^2}=4^5 = 4^{3+2}

Similarly, we have

\dfrac{4^3}{4^2} = \dfrac{4\cdot 4 \cdot 4}{4\cdot 4} = 4 = 4^1 = 4^{3-2}

8 0
3 years ago
What is 3(x+3)=2(x12) can u help me
Soloha48 [4]
You didn't type the equation correctly. 
3 0
3 years ago
Help what are the answers im so stuck!
AnnZ [28]

Answer:

  see below

Step-by-step explanation:

A percentage change is computed as follows:

  percent change = ((new value) -(original value))/(original value) × 100%

For your first one, this looks like ...

  percent change = ($25 -$75)/$75 × 100% = (-50/75) × 100% = -0.667×100%

  percent change = -66.7%

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When there are a lot of similar calculations to do, I like to use a spreadsheet. See below for the other percentage changes (rightmost column).

4 0
3 years ago
What is the value of d in the inequality 14 - 3 d < 80 - 22 +7 d?
baherus [9]

Answer:

sorry

Step-by-step explanation:

8 0
3 years ago
What is 30 tens equal to
GrogVix [38]
30 x 10 = 300 i hope this helps
3 0
3 years ago
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