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photoshop1234 [79]
4 years ago
9

Help!! please! Will mark Brainliest!

Mathematics
1 answer:
Karo-lina-s [1.5K]4 years ago
7 0

Answer:

A) 264 ft^2, 4 gallons

Step-by-step explanation:

Area of rectangle = 12 ft x 18 ft = 216 ft^2

Area of triangle = 1/2 (28- 18)(12) = 1/2(10)(12) = 60 ft^2

Area of window: 3 ft x 4 ft = 12 ft^2

Areas will be painting = (216 + 60) - 12 = 264 ft^2

1 gallon of paint will cover 70 ft^2 so 264 ft^2 / 70 ft^2 = 3.77 gallons

So Mr. Williams will need 4 gallons of paint to cover 264 square feet of his barn

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VLD [36.1K]
Post ?s in a coment then ill answer
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3 years ago
A solution is made from 3 mL of dextrose in 40 mL total. What percentage dextrose is this solution?
Aleksandr-060686 [28]

Answer:

The percentage of dextrose is this solution  = 7.5 %

Step-by-step explanation:

A solution is made from 3 mL of dextrose in 40 mL total.

We can determine the percentage by dividing 3 mL by 40 mL and multiply the result by 100.

i.e.

3/40 × 100 = 0.075 × 100

                  = 7.5 %

Thus, the percentage of dextrose is this solution  = 7.5 %

4 0
3 years ago
a store is having a 30% off sale on their whole store a sweater costs 245$ what will it cost after the 30% was taken off​
pentagon [3]

Answer:

$171.50

Step-by-step explanation:

8 0
3 years ago
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kobusy [5.1K]

Answer:

the answer is letter c.

Step-by-step explanation:

5 0
3 years ago
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Brainliest for best answer
-BARSIC- [3]

Answer:

Slope = -5/8

Step-by-step explanation:

Take 2 points from the graph where the line is. Point 1: (1 , 6). Point 2: (9 , 1).

We are going to use the formula for finding the slope of a line now.

y2 - y1/x2 - x1 = 1 - 6/9 - 1 = -5/8

Slope = -5/8

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