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natka813 [3]
3 years ago
10

Which equation can be used to find the volume of this solid?

Mathematics
2 answers:
belka [17]3 years ago
8 0

Answer:

V= 2*4*5

Step-by-step explanation:

The formula for a rectangular prism is V=w*h*l so substituting:

width = 4 cm

length = 5 cm

height = 2 cm

So the equation would be V=2*4*5 and the volume would be V=40.

bogdanovich [222]3 years ago
6 0

Answer:

V= 2 times 4 times 5

Step-by-step explanation:

In order to calculate the volume of a figure u must calculate lwh or length times width times height. In this case length is 5 width is 4 and height is 2. This can be plugged in and becomes 2 times 4 times 5.

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Use the graph below to estimate the solution to the system of equations shown.
Mila [183]

Answer: The second choice is answer.

Step-by-step explanation:

<h3>The first line (Blue One)</h3>

y=-x-3 (Slope is -1 and intercepts y at -3)

<h3>The second one (Red One)</h3>

y=2x-8 (Slope is 2, to find y-intercept. Substitute x = 0 then we get -8) (For x-intercept, it's 4. Just substitute y=0 to get x-intercept.)

Because there are choices, it's easy to notice.

The first one, x = -4 and almost -5 which is not right. (x is around 1 almost 2.)

The second one, x = 1 and almost 2 is right.

The third one, x = -1 and almost -2 is not right (The intersection isn't even at -1 or any negative number for x-axis.)

The fourth one, just like the first one... x = 4 almost 5

<h3>Or solve the equations.</h3>

y=-x-3\\y=2x-8

Substitute y=2x-8 in y=-x-3

2x-8=-x-3\\2x-8+x+3=0\\3x-5=0\\3x=5\\x=\frac{5}{3}\\(x=1\frac{2}{3})

Look at the value of x then find the answer that matches the value of x.

Now for y, substitute x = 5/3 in y = -x-3 (or in 2x-8 if you want.)

y=-\frac{5}{3} -3\\y=-\frac{5}{3} -\frac{9}{3} \\y=-\frac{14}{3} \\(y=-4\frac{2}{3} )

So the answer is the second choice.

6 0
3 years ago
Need help with this question
muminat

Answer:

(0,4)

Y =2.5X +4

Step-by-step explanation:

3 0
3 years ago
Jorge has 10 apples and Stacy takes away 3 apples. How many apples does Jorge has less than Stacy?
marin [14]

Answer: 7

Step-by-step explanation:

5 0
3 years ago
The Science Club went on a two-day field trip. The first day the members paid $30 for transportation plus $17 per ticket to the
marishachu [46]

Answer:

(30$+17$)+(65$+10$)=

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
What proportion could be used to solve the question?<br> What percent of 80 is 23?
Drupady [299]
The variable X (percentage) over 100 and 23 over 80.
7 0
3 years ago
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