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3 years ago

Ribbon is sold at 3 yards for 6.33. Jackie bought 24 yards of ribbon for a project. How much did he pay?

Mathematics

2 answers:

spin [16.1K]3 years ago

7 0

Yup it 50.67 because every 3 yard that tooling alway would equal 6.33

Paladinen [302]3 years ago

3 0

$\frac{3}{6.33}=\frac{24}{n}\\\frac{3}{\frac{19}{3}}*\frac{8}{8}=\frac{24}{n}\\\frac{24}{\frac{152}{3}}=\frac{24}{n}\\\frac{\frac{152}{3}}{24}=\frac{n}{24}\\\frac{152}{3}=n$

$50.67

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A club swimming pool is 21ft wide and 41ft long. The club members want a uniform width border around the pool. They have enough

oksano4ka [1.4K]

Answer-

Strip with 2.13 ft width can be used.

Solution-

A club swimming pool is 21 ft wide and 41 ft long.

Hence, the perimeter of the swimming pool is

$P=2(\text{Length}+\text{Width})=2(41+21)=2(62)=124\ ft$

The club members want a uniform width border around the pool.

They have enough material for 264 ft²

As they will cover the perimeter of the rectangular pool, so the length of the total used strip is equal to the perimeter of the swimming pool.

Let the width of the strip is x ft

So, the total area of the used strip is,

$A=\text{Length}\times \text{Width}$

Putting the values,

$\Rightarrow 264=124\times x$

$\Rightarrow x=\dfrac{264}{124}$

$\Rightarrow x=2.13\ ft$

Therefore, strip with 2.13 ft width can be used.

4 0

3 years ago

Here is the question the whole question is in the image

lawyer [7]

Answer:

The change for the input would be 1, and the change for the output would be 0.35. The rate of change should be 0.35 also.

Step-by-step explanation:

7 0

3 years ago

The pair (-1, 1) is a solution to the equation 2y - 3x = 5. Find another (x, y) pair that is a

morpeh [17]

Answer: (1,4)

Step-by-step explanation:

Given

Equation of line is $2y-3x=5$

(-1,1) is the solution of the equation

Take x=1 and substitute it in the above equation

$\Rightarrow 2y-3(1)=5\\\Rightarrow 2y=5+3\\\Rightarrow y=4$

So, another pair of the solution is (1,4)

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3 years ago

A man standing on level ground is 1000 feet away from the base of a 350-foot-tall building. Find,

CaHeK987 [17]

If you sketch the man and the building on paper, you'll have a
right triangle. The right angle is the point where the wall of
the building meets the ground. The height of the building
is one leg of the triangle, the line on the ground from the
building to the man's feet is the other leg, and the line
from his feet to the top of the building is the hypotenuse.

We need to find the angle at his feet, between the hypotenuse
and the leg of the triangle.

Well, the side opposite the angle is the height of the building -- 350ft,
and the side adjacent to the angle is the distance from him to the
building -- 1,000 ft.

The tangent of the angle is (opposite) / (adjacent)

= (350 ft) / (1,000 ft) = 0.350 .

To find the angle, use a book, a slide rule, a Curta, or a calculator
to find the angle whose tangent is 0.350 .

tan⁻¹(0.350) = 19.29° . (rounded)

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3 years ago

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olga55 [171]

Answer:

Step-by-step explanation:

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3 years ago

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