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Anastasy [175]
3 years ago
13

Amy mows 7 lawns in 4 hours. How long does it take

Mathematics
2 answers:
uranmaximum [27]3 years ago
4 0

Answer:

0.57 hours

Explanation:

4 ÷ 7 = 0.5714285714285714

Rounded to the nearest 100th is :

0.57

Nataly_w [17]3 years ago
3 0

Answer:

1 hour and 45 minutes

Step-by-step explanation:

I got this answer by dividing, so it takes her 1 3/4 hours which is converted to 1 hour and 45 minutes

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Arelli uses 8.4 pints of blue paint and white paint to paint her bedroom walls. 3 4 of this amount is blue paint, and the rest i
Rina8888 [55]

Answer: 2.1 Pints

Step-by-step explanation:

Given

Areli uses 8.4 Pints of blue and White Paint

If the three-fourth is blue paint i.e.

\Rightarrow 8.4\times \dfrac{3}{4}=6.3\ \text{Pints}

The remaining one-fourth is White Paint i.e.

\Rightarrow 8.4\times \dfrac{1}{4}=2.1\ \text{Pints}

5 0
3 years ago
Light bulbs of a certain type are advertised as having an averagelifetime of 750 hours. The price of these bulbs is very favorab
PilotLPTM [1.2K]

answer 40

Step-by-step explanation:

because you added all together to make one

7 0
4 years ago
At a blind taste competition a contestant is offered 3 cups of each of the 3 samples of tea in a random arrangement of 9 marked
solmaris [256]

Answer:

\frac{5}{14}

Step-by-step explanation:

Data provided in the question:

Number of cups of tea offered = 3

Number of cups marked = 9

Number of cups tasted by each = 4

Now,

The probability that a contestant does not taste all of the samples

= contestant tastes only 2 samples of tea

= \frac{C_3^2\timesC_6^4}{C_9^4}

C₆⁴ = number of ways to choose 4 cups out of 6 cups of two samples

C₃² = number of ways to choose which 2 samples will be tasted

[ as 2 samples × 3 cups each = 6 cups ]

C₉⁴ = Number of ways to choose 4 cups out of 9

= \frac{5}{14}

Hence,

the correct answer is option (B) 5/14

4 0
3 years ago
Which transformation on the coordinate plane is a dilation?
Kaylis [27]

Answer:

It is the third one

Step-by-step explanation:

if that was the question even, I chose this as dilation is basically just getting bigger or smaller but without rotation,sliding, and none of the sides should be changing

6 0
3 years ago
Math question:<br> solve for x.<br> -7.8(x + 6.5) = -25.74
BlackZzzverrR [31]
My calculator says bad expression.

7 0
3 years ago
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