MATHEMATICS MIDDLE SCHOOL

Brandon is painting a 28 ft by 18 ft rectangular wall in an office. Find the area of the wall. How many gallons of paint must be purchased to paint two coats on the wall if one gallon of paint covers 400 square feet?

Answers

Answer 1

Answer:

Answer:

He will need 2 gallons of paint.

Step-by-step explanation:

28 x 18 = 504 ft

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name the characteristics a shape has to have to be defined as the following Quadrilateral triangle and square

Answers

Shapes are the outlines formed from a given area of figure. The characteristics of shapes vary and depend on what the given shape is. Here are the characteristics of a quadrilateral, triangle, and square.

1. Quadrilateral- Quadrilaterals should have four sides and four corners. As long as these two are present, you can call any shape a quadrilateral regardless of how it is formed.
2. Square- A square is a quadrilateral, so it must contain four sides and four corners. However, a square has its sides and corners equally made.
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A family has two cars. The first car has a fuel efficiency of 35 miles per gallon of gas and the second has a fuel efficiency of 15 miles per gallon of gas. During one particular week, the two cars went a combined total of 925 miles, for a total gas consumption of 35 gallons. How many gallons were consumed by each of the two cars that week?

Answers

The amount of gas consumed by first and second car were 20 gallons and 15 gallons respectively.

Explanation

Suppose, $x$ gallons of gas were consumed by the first car.

As the total gas consumption in one week is 35 gallons, so the amount of gas consumed by second car will be: $(35-x)$ gallons.

The first car has a fuel efficiency of 35 miles per gallon of gas and the second has a fuel efficiency of 15 miles per gallon of gas.

So, the distance traveled by the first car in $x$ gallons of gas $=35x$ miles and the distance traveled by the second car in $(35-x)$ gallons of gas $=15(35-x)$ miles.

Given that, the two cars went a combined total of 925 miles. So, the equation will be.....

$35x+15(35-x)=925\n \n 35x+525-15x=925\n \n 20x=925-525=400\n \n x=(400)/(20)=20$

So, the amount of gas consumed by the first car is 20 gallons and the amount of gas consumed by the second car is: (35 - 20) = 15 gallons.

What are skew lines

Answers

Answer: Skew lines are two lines that do not intersect and are not parallel. A simple example of a pair of skew lines is the pair of lines through opposite edges of a regular tetrahedron.

Skew lines are lines that do not intersect and that are not parallel

a pair of in-line skates is on sale for $90 if this price represents a 9% discount from the original price what is the original price to the nearest cent

Answers

here is the formula x-(x*.09)=90 the answer 98.9

A box has a length of 15 in., a width of 7 in., and a height of 9 in. If Tara plans to cover the box with wrapping paper, how much wrapping paper will she need?

Answers

We have to calculate the area of the box.

area (box)=2(lenght x width) + 2(lenght x height) +2(width x height)

area (box)=2(15 in x 7 in) + 2(15 in x 9 in) + 2(7 in x 9 in)=
=2(105 in²)+2(135 in²)+2(63 in³)=210 in²+270 in²+126 in²=606 in².

Answer: she need 606 in² of wrapping paper.

The distance between Hadley and Greenville is 13 miles less than the distance between Parker and Greenville. Write two equations that compare the distance between Parker and Greenville. Tell what your variable represents. Distance between Greenville and nearby Towns (Miles):

Parker: 29
Hadley: ?

Answers

Answer: $x=y+13\nor\ x-y=13$

Here 'x' represents the distance between Hadley and Greenville and 'y' represents the distance between Parker and Greenville.

The distance between Hadley and Greenville =42 miles

Step-by-step explanation:

Let the distance between Hadley and Greenville be x and the distance between Parker and Greenville be y.

Then according to the question,

$x=y+13\nor\ x-y=13$

If the distance between Parker and Greenville = 29 miles

Then substitute the value of y=29 in the above equation, we get

$x=29+13\n\Rightarrow\ x=42$

⇒ The distance between Hadley and Greenville =42 miles

x= Hadley
y= Parker
z= Greenville

segment xz - 13 = segment zy

segment xz = segment zy + 13

Segment zy = 29 miles

Therefore...
segment xz = 29+ 13
Segment xz= 42
Distance from Hadley to Greenville is 42 miles

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