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bearhunter [10]
3 years ago
11

Tim mowed lawns for 2 hours and earned $7.50 per hour. Then he washed windows for 4 hours and earned $6.30 per hour. What were T

im's average earnings per hour for all 6 hours? *
Mathematics
1 answer:
anastassius [24]3 years ago
6 0

Answer: $6.90

Step-by-step explanation:

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2a = 8<br> 4b = 0<br> 5c = 35<br> x/2 = 8
Furkat [3]
A=4
B=0
C=7
X=16
This is what I think
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2 years ago
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What adds to 1 and multiplies to 2
kicyunya [14]
-2 and 1.

Hope this helps!
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3 years ago
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2. A certain TV can be purchased from the manufacturer for $160. A certain online retailer has a standard markup of 30%, and a c
Vanyuwa [196]
Price, when purchased online:  1.30($160)
Price, when purchased at superstore:  1.40($160)

Difference in prices:  1.40($160) - 1.30($160) = 0.10($160) = $16

A higher markup brings a higher retail price.
8 0
3 years ago
Which of the following best describes a three-dimensional solid made from a pile of similar circles that grow smaller as the sol
Bad White [126]
Your answer is D) Cone
3 0
3 years ago
PLEASE HELP!! (50 POINTS)
Marrrta [24]

Answer:

Since pair of opposite sides are parallel and adjacent sides meets at right angles, the quadrilateral COAT is a rectangle.

Step-by-step explanation:

The vertices of the given quadrilateral is C(2,0),O(7,0),A(7,2),T(2,2)

It is sufficient to show that pair of opposite sides are parallel and adjacent sides are perpendicular.

The slope of each side can be found using the formula;


m=\frac{y_2-y_1}{x_2-x_1}


Slope of CO,

M_{CO}=\frac{0-0}{7-2}=\frac{0}{5} =0

A line with a zero slope is a horizontal line.


The slope of OA,

M_{OA}=\frac{2-0}{7-7} =\frac{2}{0}

This slope is undefined.

A line with an undefined slope is a vertical line.

This shows that,the side CO and OA of the quadrilateral meets at right angle.


The slope of AT,

M_{AT}=\frac{2-2}{7-0}=\frac{0}{5}=0


This is also a horizontal line.

The slope of TC,


M_{TC}=\frac{2-0}{2-2} =\frac{2}{0}


This also a vertical line.


This implies that, side TC and side AT meets at Tat right angles and TC is parallel to OA.

Also AT is parallel to TO.


This shows that COAT is a rectangle.

8 0
3 years ago
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