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GalinKa [24]
3 years ago
13

Clearview Window Cleaners washes 20 office windows in 168 minutes.How many hours is that?

Mathematics
1 answer:
bezimeni [28]3 years ago
7 0
1 : 8.4 min
1 : 7.14 every hour
So they wash 7 windows every hour
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5x = - 25x<br> Solve for x
Sunny_sXe [5.5K]
Subtract 5x from both sides
0=-30x

Divide both sides by -30
0=x

Final answer: x=0

Hope this helps!
8 0
2 years ago
Read 2 more answers
Morgan is reupholstering an old chair with two circular cushions. Each cushion has a circumference of 7. 85 feet. He will need t
kramer

The total fabric Morgan needs to cover the cushions will be 19.64 square feet.

It is given that each cushion has a circumference of 7.85 feet.

It is known that the circumference of a circle = 2πr, where 'r' is the radius of the circle.

2πr = 7.85

r = 1.25

<h3>What is an area of a circle?</h3>

area of a circle is πr².

now, we can calculate the area = π× 1.25² = 4.91 square feet

since each circular cushion has two circular faces so the total number of faces Morgan needs to cover will be 4.

Therefore, the total fabric needed= 4×4.91 = 19.64 square feet.

to get more about the area of a circle, refer to the link:

brainly.com/question/12069107

8 0
2 years ago
EXERCÍCIOS 01) Resolva. A Lino tinha R$430,00 para pagar as seguintes contas R$ 119,00 de energia elétrica, R$65,00 de água e RS
satela [25.4K]

Answer:

$149

Step-by-step explanation:

The computation of the amount left for the shopping is shown below;

= Amount have - Electricity bill - Water bill - telephone bill

= $430 - $119  - $65 - $97

= $149

We simply deduct all expenses from the amount available so the remaining amount i.e. left would be considered for shopping

4 0
3 years ago
What is the order of rotational symmetry of a kite?<br> A) 0 <br> B) 1 <br> C) 2 <br> D) 4
KIM [24]
The order of rotational symmetry of a kite is 1
5 0
3 years ago
Write the steps for how to use a number line to multiply a 2 digit number by 20. Give an example
lidiya [134]
Draw the number line then put the numbers on the number line by twos. Fore example, 2-4-6-8-10
8 0
3 years ago
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