3 years ago

I hate fractions, need help with this.

Mathematics

1 answer:

pochemuha3 years ago

7 0

A. -3/8

B. -2/5, -1/2

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Please help!

Rudik [331]

C. i hope this is correct

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A jogger runs a distance of six miles at an average speed of four miles an hour, how many minutes did this take him?

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3 years ago

Read 2 more answers

(8x10^-3) ÷ (2x10^-4)

Lorico [155]

Answer:

Step-by-step explanation:

8*10^-3=0.003

2*10^-4=0.0002

0.003÷0.0002=40

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3 years ago

The net of a cube is shown on the coordinate plane. What is the surface are of the cube?

Ksju [112]

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3 years ago

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

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

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

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

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3 years ago