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Dmitry_Shevchenko [17]

3 years ago

10

A right rectangular prism is shown. What shape best describes the cross section cut perpendicular to the base of a right rectang

ular prism? Parallelogram Trapezoid Rectangle Square

1 answer:

Rina8888 [55]3 years ago

8 0

C a rectangle. brainily says this is too short so I am writing more

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Let Upper A equals left bracket Start 2 By 2 Matrix 1st Row 1st Column negative 2 2nd Column 4 2nd Row 1st Column 1 2nd Column 3

vagabundo [1.1K]

Answer:

not

Step-by-step explanation:

$\left[\begin{array}{ccc}-2&4\\1&3\end{array}\right] *\left[\begin{array}{ccc}-2&1\\3&7\end{array}\right]=$

First is A and Second is B

Let's find A*B

$\left[\begin{array}{ccc}-2(-2)+4*3&-2*1+4*7\\1(-2)+3*3&1*1+3*7\end{array}\right] =\left[\begin{array}{ccc}16&26\\7&22\end{array}\right]$

b)

$\left[\begin{array}{ccc}-2&1\\3&7\end{array}\right] \left[\begin{array}{ccc}-2&4\\1&3\end{array}\right] =$

Now let's find B*A

$\left[\begin{array}{ccc}-2(-2)+1*1&-2*4+1*3\\3(-2)+7*1&3*4+7*3\end{array}\right] =\left[\begin{array}{ccc}5&-5\\1&23\end{array}\right]$

c) They are not

7 0

2 years ago

On a recent day , a Euro was equal to about 1.2 American dollars.write an expression which estimates the number of American doll

LuckyWell [14K]

Here's the way to go:

<span>25 Euros $1.20
------------- * --------------- = number of American dollars equal to 25 Euros.
1 1 Euro

Cancel "Euro" in the 2 places where it occurs. The numeric outcome will be $30.</span>

3 0

3 years ago

I need help asap!!!!

andreev551 [17]

Answer:

D

Step-by-step explanation:

Because that makes most sense

5 0

3 years ago

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Anne has 24 pencils in a box.eighteen has #2 marked on them and the 6 are marked #3.what is fraction of pencils are marked 3

Arada [10]

1/4 because 6/24 can be simplified all the way down to 1/4

6 0

2 years ago

PLS ANSWER THIS QUESTION- this is 8th grade math

Nadusha1986 [10]

It is 153/250. message me if u need any help. lol

4 0

1 year ago

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