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Anna11 [10]
3 years ago
12

A landscaper mowed 2/15 mile of grass in 20 minutes. If he works at the same rate, what portion of a mile will he mow in one hou

r?
Mathematics
1 answer:
horrorfan [7]3 years ago
3 0
So 2/15 of a mile in 20 min
20 min is 1/3 of an hour
so 2/15 x 3 = mowed lawn/hour
6/15 of a mile
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How do you simplify 7x×4y×2y^2
belka [17]
The answer is: 56xy³
_______________________________
Explanation:
_______________________________
Find the "like terms"; which are: 
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"4y" and "2y<span>²"
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The remaining term is: "7x".
_____________________________________
The problem is a "multiplication problem" :
___________________________________________
7x * 4y * </span>2y² ; so start by multiplying the "like terms" :
<span>___________________________________________
4y * 2y</span>² = 8y<span>³
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Then the remaining term is "7x";
        so, multiply that by our obtained value: "</span>8y³ " :
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7x * 8y³  = 56xy³ ; which is our answer:
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6 0
3 years ago
The scale factor of a large swimming pool to a small swimming pool is 0.12. The large swimming pool can hold 15000 m cubed of wa
Aleksandr-060686 [28]
The volume of the small pool is the product of the cube of the scale factor and the volume of the large pool. 25.92 m cubed.  Hope this helps.
7 0
3 years ago
Read 2 more answers
Red and grey bricks were used to build a decorative wall. The number of red bricks and grey bricks was 5/2. There were 140 brick
ozzi

Answer:

100 red bricks

Step-by-step explanation:

Let's say red bricks is equal to 5x

Gray bricks is equal to 2x

We have an equation

2x + 5x = 140

= 7x = 140

Divide through by 7 to get the value of x

X = 140/7

X = 20

Red bricks = 5(x)

= 5(20)

= 100

Gray bricks = 2(x)

= 2(20)

= 40

Therefore in conclusion the number of red bricks is 100.

5 0
2 years ago
A cube has a volume of 2197 m^3. Its surface is to be painted. Each can of paint covers about 40 m^2. How many cans of paint are
Gelneren [198K]
<em>Volume= a³</em>
<em>a=edge</em>
<em>2197 = a³</em>
<em>=> a=13 m</em>
<em>Surface area=6a²=6*13²=6*169=1014 m²</em>
<em>\frac{1014}{40} = 25,35 ≈ 26</em>
<em>=> <u>26 cans needed</u></em>
8 0
3 years ago
One kilogram of cheese costs £6.60 how much would 200g cost?
Helga [31]

Answer:

0.132

Step-by-step explanation:

if 1kg of chees cost 6.60 100g cost 0.0660 So if 0.0660 multiplied by 2        

= 0.132

7 0
2 years ago
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