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3 years ago

What is the graph of the equation? x=-5

Mathematics

1 answer:

Lostsunrise [7]3 years ago

8 0

Answer:

parallel to the y axis (vertical line)

Step-by-step explanation:

On the x axis, from 0 count 5 units to the left (-5) and from this point, draw a line parallel to the y axis (vertical line)

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A prism with a base area of 5 ft² and a height of 10 ft is dilated by a factor of 65 . What is the volume of the dilated prism?

mina [271]

Answer:

The volume of the dilated prism is $86.4ft^3$ .

Step-by-step explanation:

The original prism has base area $5ft^2$ and a height of $10ft$ .

The volume of the original prism is $v=5\times 10=50ft^3$ .

The prism is dilated by a scale factor of $k=\frac{6}{5}$ .

To find the volume of the dilated prism, we multiply the volume of the original prism by $k^3=\frac{216}{125}$ .

$V=\frac{216}{125} \times 50ft^3$

$\Rightarrow V=86.4ft^3$

3 0

3 years ago

Find the surface area of the prism below. Please see the attachment and a. 108cm ^2 is incorrect. Thanks!

creativ13 [48]

Answer: OPTION B

Step-by-step explanation:

To solve this problem you must add the areas of each rectangle that form the prism;

The area of a rectangle can be calculated with the formula:

$SA=length*width$

There are three pairs of equal rectangles, then you can find the surface area of 3 rectangles and multiply each one by 2, then you obtain that the surface area of the prism is:

$SA_{prism}=2(6cm*2cm)+2(3cm*6cm)+2(3cm*2cm)=72cm^{2}$

5 0

3 years ago

I’ve been having trouble with PEMDAS and exponents for a while. Could someone walk me through how to do this so maybe I can appl

Brilliant_brown [7]

Answer:

98.

Step-by-step explanation:

Parenthesis

Exponents

Multiplication

Division

Addition

Subtraction

You have to do it in order so you can get the correct answer. Do the problem in the parenthesis first. 6 ÷ 3 = 2.

It should look like this:

7² x 2.

Then, do your exponents. 7² is just basically 7 x 7. It equals 49.

Now, it should look like this:

49 x 2. Multiply 49 x 2, and your answer should be 98.

5 0

3 years ago

Martin uses his power saw every 15 seconds.How many times did he use it in one hour ?

Alina [70]

Answer:

60÷15 =4

Therefore Martin uses his power saw 4 times in one hour 

7 0

3 years ago

Read 2 more answers

Find out if the lengths form a right triangle

Mila [183]

Answer:

The triangle is a right triangle.

Step-by-step explanation:

Since The Pythagorean Theorem only works on right triangles, we can use this knowledge to prove whether this triangle is right:

$a^2 + b^2 = c^2\\10^2 + (2\sqrt{39})^2 = 16^2\\100 + (4 \times 39) = 256\\100 + 156 = 256\\256 = 256$

Therefore, the triangle is right.

3 0

2 years ago