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2 years ago

If cx - d = f, then x is equal to

Mathematics

2 answers:

Likurg_2 [28]2 years ago

5 0

Answer:

(F+d)/c

Step-by-step explanation:

First get rid of -d on the left side by adding d to both sides cx - d = f --> cx =f + d then remove c from the left side by dividing both sides by c cx = f+ d --> x = (f+d)/c

Alina [70]2 years ago

3 0

Answer:

(f+d)/c

Step-by-step explanation:

First get rid of -d on the left side by adding d to both sides

cx - d = f --> cx = f + d

Then remove c from the left side by dividing both sides by c.

cx = f + d --> x = (f + d)/c

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A home builder wants to decorate the post at the bottom of a stairway. One way to do this is to glue a square-based pyramid to t

AysviL [449]

We have been given net of a pyramid. We are asked to find the total surface area of the pyramid.

The surface area of the pyramid will be area of base plus area of 4 triangular sides.

We have been given that base of pyramid is square, so area of base will be square of base side.

$\text{Area of base}=(\text{10 in})^2=100\text{ in}^2$

Let us find area of one triangular side.

$\text{Area of triangle}=\frac{1}{2}\times \text{Base}\times\text{Height}$

$\text{Area of triangle}=\frac{1}{2}\times \text{10 in}\times\text{6 in}$

$\text{Area of triangle}=\text{5 in}\times\text{6 in}$

$\text{Area of triangle}=30\text{ in}^2$

Now we will multiply area of one triangular face by 4 to find area of 4 triangular faces.

$\text{Area of 4 triangular faces}=4\times 30\text{ in}^2$

$\text{Area of 4 triangular faces}=120\text{ in}^2$

Total surface area of pyramid would be area of base plus area of 4 triangular faces.

$\text{Total surface area of pyramid}=100\text{ in}^2+120\text{ in}^2$

$\text{Total surface area of pyramid}=220\text{ in}^2$

Therefore, 220 square inches of copper sheet are needed to make one pyramid.

4 0

2 years ago

What is the equation in point-slope form of the line passing through (3, 6) and (−2, 1)?

tankabanditka [31]

The point-slope form:

$y-y_1=m(x-x_1)\\\\m=\dfrac{y_2-y_1}{x_2-x_1}$

We have the points (3, 6) and (-2, 1). Substitute:

$m=\dfrac{1-6}{-2-3}=\dfrac{-5}{-5}=1\\\\y-6=1(x-3)$

<h3>Answer: 4. y - 6 = 1(x - 3)</h3>

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2 years ago

How many thousands are in 24,692? _____ thouands

katovenus [111]

Answer:

twenty four

Step-by-step explanation:

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2 years ago

In average American adult drinks 3.1 cups of coffee each day a cup of coffee measures approximately 9 ounces. one pound of coffe

Arisa [49]

It takes about 40 lbs. ( 39.77 ). if they drink about 27.9 oz a day, that's 10183.5 oz a year, and one oz takes .00390625 lb to make, multiply them together

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2 years ago

Write the slope intercept form of the equation of the line that passes through the point (4, 8) and has a slope of -2.

zhuklara [117]

The equation of the line is y = -2x + 16 which passes through the point (4, 8) and has a slope of -2.

<h3>What is a linear equation?</h3>

It is defined as the relation between two variables, if we plot the graph of the linear equation we will get a straight line.

If in the linear equation, one variable is present, then the equation is known as the linear equation in one variable.

It is given that:

The line that passes through the point (4, 8) and has a slope of -2.

On comparing the standard equation:

y = mx + c

Here m is the slope of the line and c is the y-intercept.

m = -2

y = -2x + c

Plug x = 4 and y = 8

8 = -2(4) + c

c = 16

y = -2x + 16

Thus, the equation of the line is y = -2x + 16 which passes through the point (4, 8) and has a slope of -2.

Learn more about the linear equation here:

brainly.com/question/11897796

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7 months ago