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posledela
3 years ago
14

Find the volume of the prism.

Mathematics
2 answers:
KATRIN_1 [288]3 years ago
7 0
Use the formula v=BH so you multiply the base times the height and get the answer
MAVERICK [17]3 years ago
4 0

Hey there!

When we find the volume of a prism, we compute the equation:

V = lwh

This means that volume is equal to length times width times height.

Therefore, it looks as if we need three measurements, when we only have two, the length and height. However, by looking at this picture, we see that the width is actually the same as the length as it is a square, therefore our dimensions are:

V = 7 * 7 * 3

V = 49 * 3

V = 147 units cubed

Hope this helps!

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If a#b = a+2b, for integers a and b, what is the value of 3#4?
STatiana [176]
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8 0
3 years ago
Which list shows all the factor pairs of 72?
Anna007 [38]

Answer:

The answer is C.

Step-by-step explanation:

The answer is C. because for A. 4 * 13 is 52 not 72. For B. 7 * 9 is not 72 its 63. and D. It does not have 4 and 18.

5 0
3 years ago
Which equation represents the line that passes through (5,8) and (9,2)
Dahasolnce [82]
ASSUMING This is a straight line so we gotta the formula for a straight line which is y=mx+b, where m represents the slope and b represents the y intercept.

First, we know this line passes through (5,8) and (9,2) we can use these for finding the equations. When we know two points, we use this formula:

y-y=m(x-x)

The first y is 8 and the second one is 2
The first x is 5 and the second one is 9

Plug it in:

8-2=m(5-9)
6=m(-4)
6/-4=m <— simplify this
m= -3/2

*NOTE: another way to find m is by calculating it (y-y)/(x-x)

Now we know m, we have to find b.
All you gotta do is plug everything you know back into the equation y=mx+b

y=mx+b
y=-3/2x+b <— now plug in a point we know(x,y)

8=-3/2(5)+b
8=-15/2+b
8-(-15/2)=b
b=8+15/2
b=16/2+15/2
b=31/2 (now you can write be as a fraction or a decimal in your equation, depending on what your teacher told you to use)
*NOTE: it is best to use fractions instead of decimals as it is more accurate sometimes.

Now we know all the variables that need to be known, we just need to rewrite the formula of the equation so the teacher can see.

m=-3/2
b=31/2

We don’t need to plug in x or y since it could have different values (since a straight line has MANY co-ordinates)

SO OUR EQUATION IS=
y=(-3/2)x+31/2

Hope you understand this, feel free to ask me anything!

6 0
3 years ago
Find the eqation of the line perpendicular to y=3x-6 that runs through the point (-1, -3)
alexgriva [62]
The coefficient of x in the equation of the given line, 3, is its slope. The slope of the perpendicular line is the negatve reciprocal of that, -1/3. You now have the slope and a point on the perpendicular line, so you can write its equation using the point-slope form:
  y = m(x -x₁) +y₁
where m is the slope and (x₁, y₁) is the point.

An equation for your perpendicular line is
  y = (-1/3)(x -(-1)) -3
  y = (-1/3)x -10/3

The slope-intercept form of the equation of the perpendicular line is ...
  y = (-1/3)x -10/3

3 0
3 years ago
100 points and brainliest if you answer correctly!!
never [62]

Answer:

$5040

Step-by-step explanation:

7 0
3 years ago
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