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3 years ago

What is the volume of the prism below?

Mathematics

2 answers:

expeople1 [14]3 years ago

7 0

the exact exact answer would be a decimal, but if you round it it will be c

hope this helps

Step-by-step explanation:

Alika [10]3 years ago

7 0

For this case we have that the volume of the rectangular prism is given by:

$V = A_ {b} * h$

Where:

$A_ {b}:$ It is the area of the base

h: It's the height

We have that the base is a triangle, so, the area of the base is the area of the triangle:

$A_ {b} = \frac {9 * 4} {2} = 18 \ units ^ 2$

The height of the prism is 18 units.

So, the volume is:

$V = 18 * 18 = 324 \ units ^ 3$

ANswer:

$324 \ units ^ 3$

Option C

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Write the coordinates of the vertices after a reflection over the x-axis. 1072

Liula [17]

The reflection about x-axis results in same x coodinate with oppositive of y coordinate. It can be expressed as,

$(x,y)\rightarrow(x,-y)$

Determine the coordinates of the vertices after reflection over the x-axis.

$Q(6,-8)\rightarrow Q^{\prime}(6,8)$ $R(7,-8)\rightarrow R^{\prime}(7,8)$ $S(7,-5)\rightarrow Q^{\prime}(7,5)$ $T(6,-5)\rightarrow T^{\prime}(6,5)$

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10 months ago

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Leokris [45]

Answer:

1.SAS

2. AAS

3.SAS

4.SSS

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Step-by-step explanation:

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3 years ago

∠C and ∠D are vertical angles with m∠C=−x+26 and m∠D=2x−10 . What is m∠D ? Enter your answer in the box.

Musya8 [376]

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3 years ago

Read 2 more answers

Find the value of x

Novay_Z [31]

Answer:

x=3

Step-by-step explanation:

Angles and Lines

We must recall:

The sum of the internal angles of a triangle is 180°
Two linear angles add up to 180°

The image shows a triangle and the extension of its base to form two linear angles.

Note from the triangle, angle R is what it takes to get to 180°:

$m\angle R=180-25x-(57+x)$

From the line SQ, angle R what it takes to get to 180°. Thus:

$m\angle R=180-45x$

Equating:

$180-25x-(57+x)=180-45x$

Subtracting 180 and simplifying:

$-25x-57-x=-45x$

$19x=57$

Dividing by 19:

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2 years ago

Andre has a summer job selling magazine subscriptions. He earns $25 each week plus $3 for every subscription he sells. Andre hop

Strike441 [17]

Answer: 25 + 3n

Step-by-step explanation:

Hi, the answer is lacking the last part:

Write an expression for the amount of money he makes this week.

So, to answer this we have to write an expression:

The fixed amount that he earns per week (25) plus the product of the amount he earns per subscription (3) and the number of subscriptions sold (n) , must be equal to his weekly earnings.

Mathematically speaking:

25 + 3n

Feel free to ask for more if needed or if you did not understand something.

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2 years ago