4 years ago

-5x + 8 + 6x = 20 Solve for x and Show All work please

Mathematics

1 answer:

solniwko [45]4 years ago

3 0

Hope that can help you

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The area of a room is 234 square feet the length of the room is 18 feet what is the width in feet of the room

tester [92]

Answer:

The width of the room is $13\ ft$

Step-by-step explanation:

we know that

The area of rectangle (area of the room) is equal to

$A=LW$

we have

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$L=18\ ft$

substitute the values in the formula and solve for W

$234=18W$

$W=234/18$

$W=13\ ft$

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This data set represents the number of cups of flour used in different recipes. What is the mean of this data set? {1/2, 1/3, 2/

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3 years ago

The area of a square poster is 26in squared. Find the length of one side of the poster to the nearest tenth of an inch

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Step-by-step explanation:

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2 years ago

The circular opening of an ice cream cone has a diameter of 7 centimeters. The height of the cone is 10 centimeters. What is the

Nataly [62]

We have been given that the circular opening of an ice cream cone has a diameter of 7 centimeters. The height of the cone is 10 centimeters. We are asked to find the volume of the ice cream cone in cubic centimeters.

We will use volume of cone formula to solve our given problem.

$V=\frac{1}{3}\pi r^2h$ , where,

r = Radius

h = Height.

We know that diameter is two times the radius, so radius of cone would be half the diameter that is $\frac{7}{2}$ cm.

$V=\frac{1}{3}\pi\cdot (\frac{7}{2}\text{ cm})^2\cdot 10\text{ cm}$

$V=\frac{1}{3}\pi\cdot \frac{49}{4}\text{ cm}^2\cdot 10\text{ cm}$

$V=\frac{490\pi }{12}\text{ cm}^3$

$V=128.2817\text{ cm}^3$

Upon rounding to nearest tenth, we will get:

$V\approx 128.3\text{ cm}^3$

Therefore, the volume of the cone would be approximately 128.3 cubic cm.

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3 years ago