All categories

4 years ago

In the diagram below segment DEF is shown (since all three letters are shown, they are collinear). If

Mathematics

1 answer:

monitta4 years ago

3 0

Answer:

x = 4

Step-by-step explanation:

Given

DE = 3x + 2, EF = x + 5, DF = 23

As per segment addition postulate

DE + EF = DF

Substituting values:

3x + 2 + x + 5 = 23
4x + 7 = 23
4x = 16
x = 4

You might be interested in

Is -1, 1, 4, 8 a geometric sequence?

Kryger [21]

Answer:

i thank so. step-by-step explanation:

google

8 0

3 years ago

The fencing William chooses costs $29.53 per foot, including installation. What will the fencing cost? Show your work.

TiliK225 [7]

Answer:

$C = 29.53x$

Step-by-step explanation:

Given

$Unit\ cost = \$29.53$

Required

The cost of fencing (C)

The cost is calculated as:

$C = Unit\ Cost * Perimeter\ of fencing$

Let:

$x \to Perimeter\ of fencing$

So, we have:

$C = Unit\ Cost * x$

$C = 29.53 * x$

$C = 29.53x$

The question cannot be solved further since the dimension of the fence is not given

If you know the dimension, calculate the fence perimeter and substitute the value for x

7 0

3 years ago

Please help me if you can.

miv72 [106K]

I believe it is 18.75

5 0

4 years ago

Read 2 more answers

Find the value of x? Enter your answer in the box.

8090 [49]

Answer:

x = 21

Step-by-step explanation:

We know that a triangle equals to 180 degrees.

Combine like terms. (x + 3x) and (-4 + 100)

x - 4 + 3x + 100 = 180

Subtract 96 on both sides.

4x + 96 = 180

-96 -96

Divide 4 on both sides.

4x = 84

--- -----

4 4

And you get a solution of 21.

x = 21

Check:

Substitute 21 into x.

Add/Subtract from left to right.

21 - 4 + 3(21) + 100 = 180

17 + 63 + 100 = 180

80 + 100 = 180

180 = 180

5 0

3 years ago

- A group of cells grows in number as described by the

erma4kov [3.2K]

It might be B.160 if you multiply 16 times 2 you get 32 the n multiply 32 by 5

3 0

3 years ago