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kolezko [41]
2 years ago
14

Arelli uses 6.9 pints of white paint and blue paint to paint her bedroom walls. 3/4 of this amount is white paint, and the rest

is blue paint. How many pints of blue paint did she use to paint her bedroom walls?
Mathematics
1 answer:
Reika [66]2 years ago
4 0

Answer:

1.73

Step-by-step explanation:

Arelli use 6.9 pints of white and blue paints for her bedroom

3/4 of this amount is white

3/4

= 0.75×100

= 75

100-75

= 25

Amount of blue paint is

25/100×6.9

= 0.25×6.9

= 1.73

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Paul needs to buy paint to cover all outside surfaces of his shed, depicted below. How much area, in square yards, does he need
Alekssandra [29.7K]

Answer:

Area = 145.7 Square yards

Step-by-step explanation:

Since there is no picture attached to depict the house and its dimension, I am taking values of a similar problem.

<em><u>Dimensions of Shed</u></em>

2 walls with dimensions of 15 ½ ft. by 12 ft.

2 walls with dimensions of 25 ¼ ft. by 12 ft.

Ceiling with dimensions of 15 ½ ft. by 25 ¼ ft.

2 windows that are each 2 ft. by 4½ ft. as well as an 8-ft. by 5-ft. door

<u>Solution</u>

We need to find the total wall area and ceiling area which when combined will give us the total area shed's outer surface that needs to be painted.

For total area of the wall, we need to first find the sum of area for each wall and subtract area of windows and door

Wall Area = Area of 1st two walls+Area of other two walls-Area of 2 windows-Area of door=[15.5(12)(2)] + (25.25) (12) (2) - (2)(2) (4.5) -(8)(5)

Wall Area = 371 + 606 - 17 - 40

Wall Area = 920 square ft = 102.2 square yards

Ceiling Area is just the area of the ceiling

Ceiling Area = (15.5) (25.25 )

Ceiling Area = 391.375 square ft= 43.486 square yard

<u>Total Area = Wall Area+Ceiling Area </u>=102.2+43.486=145.7 Square yards

Which is the area paul needs to cover with paint.

<em>Note: Converted Square foot to square yard as the problem requires that.</em>

8 0
3 years ago
A student says that the x-intercept of the graph of × + 2y =5 is the point (0,5). Is the student correct or incorrect? Explain y
ivanzaharov [21]

The student is incorrect, the actual x-intercept is (5, 0).

<h3>Is the student correct or incorrect?</h3>

Here we have the equation:

x + 2y = 5

The student says that the x-intercept is the point (0, 5).

So if you look at the point you already can see that the student is incorrect, this is because the x-intercept always must have a y-value of 0. (the graph only intercepts the x-axis when y = 0).

So the point (0, 5) can't be an x-intercept.

For the given function:

x +2y = 5

The x-intercept is given by:

x + 2*0 = 5

x = 5

So it is (5 , 0).

If you want to learn more about x-intercepts:

brainly.com/question/3951754

#SPJ1

5 0
2 years ago
Exterior and interior
nikdorinn [45]
I can't tell if that is a question but I will answer it anyway:

An exterior of a shape is the lengths and angles outside of the shape.

An interior are the lengths and angles inside a shape.

Hope this helps.
3 0
3 years ago
Jane is making a suit which requires 2 5/8 yards for the jacket and 1 3/4 yards for the skirt. What the total amount of material
solmaris [256]

Answer:

4 3/8 yards.

Step-by-step explanation:

2 5/8 = (2*8 + 5)/8 = 21/8.

1  3/4 = (1*4 + 3) / 4 = 7/4.

21/ 8 + 7/4

= 21/8 + (7*2) / (4*2)

= 21/8 + 14/8

= 35/8

= 4 3/8.

3 0
3 years ago
What large grouping of elements do Halogens belong to? What are their distinct properties?
vekshin1
Group 17. They combine with alkali metals and form salt, the are reactive, they have 7 electrons in their outer energy level
5 0
3 years ago
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