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3 years ago

Which equation could be used to solve the problem?

Mathematics

1 answer:

castortr0y [4]3 years ago

3 0

I think B

J U S T I F I C A T I O N

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Factor –8x3 – 2x2 – 12x – 3 by grouping. What is the resulting expression? A. (2x2 – 3)(4x + 1) b. (–2x2 – 3)(–4x + 1) c. (2x2 –

svetlana [45]

It's D
(–2x2 – 3)(4x + 1)

8 0

4 years ago

Read 2 more answers

On a coordinate plane, rhombus A B C D is shown. Point A is at (1, 1), point B is at (negative 2, negative 3), point C is at (ne

lions [1.4K]

Answer:

20 units

Step-by-step explanation:

We are given that

On a coordinate plane , rhombus ABCD in which point A is at (1,1) and point B is at (-2,-3), point C is at (-5,1) and D is at (-2,5).

We have to find the perimeter of rhombus ABCD.

Distance formula : $\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}$

Using the distance formula

Side AB= $\sqrt{(-2-1)^2+(-3-1)^2}=5 units$

We know that sides of rhombus are equal

Therefore, AB=BC=CD=AD=5 units

Perimeter of rhombus= $4\times side$

Perimeter of rhombus= $4\times 5=20 units$

Answer: 20 units

4 0

3 years ago

Read 2 more answers

A blueprint of a barn is shown.The scale is 5 inches =8 feet. Find the actual length of the wall that is labeled 20 inches.

kenny6666 [7]

5=8
20/5=4
8x4=32
The answer is 32 feet

4 0

2 years ago

Solve for the value of S.

fomenos

<h2>Answer:</h2>

s = 18°

<h2>Step-by-step explanation:</h2>

The figure has been re-labelled to show additional information and description and has been attached to this response.

As shown in the figure, line AB is a straight line.

The angles on the straight line are 6s + 2 and 4s - 2

Since the sum of angles on a straight line is 180°, it therefore implies that;

6s + 2 + 4s - 2 = 180°

Solve for s by collecting like terms and simplifying

6s + 4s + 2 - 2 = 180

6s + 4s = 180

10s = 180

s = 18°

Therefore, the value of s is 18°

7 0

3 years ago

Elliot is riding in 100 mile bike race to raise money for charity so far he has completed 7/10 of the race how far has Elliot bi

Dmitry_Shevchenko [17]

Answer:

Elliot biked 70 miles

Explanation:

We are given that the total distance of the race is 100 miles

We are also given that Elliot covered $\frac{7}{10}$ of this distance

To get the number of miles covered by Elliot, we will simply multiply the ratio of the covered distance ( $\frac{7}{10}$ ) by thetotal distance of the race (100 miles)

This is done as follows:

Distance covered = $\frac{7}{10}$ $* 100 = 70$ miles

Therefore, Elliot biked for 70 miles

Hope this helps :)

4 0

3 years ago