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3 years ago

Translate: The difference of a number and 45 is 12

Mathematics

1 answer:

Gekata [30.6K]3 years ago

3 0

Answer:

x-45=12

Step-by-step explanation:

a number equals x

difference equals -

of a number and 45 so 45 first

is equals =

12 is after is so 12

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I need some help with this

marshall27 [118]

[-2 3] times [2
1]

comes out to -2(2)+3(1) = -1. Eliminate the first answer choice, due to
the presence of that -7 instead of -1.

[-2 3] times [0
-3]

comes out to - 9. This matches answer choices #2, #3 and #4.

[3,-4][2
1]

comes out to 6-4, or 2. Matches #2, #3, #4.

[3, -4][0
-3]

comes out to +12, which matches answer choice #4.

Answer choice #4 is the correct one.

Review matrix multiplication if need be. Feel free to ask questions here and now if need be.

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4 years ago

What the area of the whole building

avanturin [10]

Answer:

The area of the whole building is 83feet^2

Step-by-step explanation:

Please mark me brainliest

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3 years ago

Read 2 more answers

Plzzz help don’t understand plz explain

Olenka [21]

Start from the x-axis

7 0

3 years ago

Confused on what do do first . Can anyone help ?

kirza4 [7]

So solve for q

first factor q out of the summation $q \sum^{\inf}_{k=2} (\frac{2}{3})^k=8$

now, determine what the summation is
$\sum^{\inf}_{k=2} (\frac{2}{3})^k =?$

its been a while since ive done summations so i dont remember any tricks but that summation is essentially equal to
$\frac{2}{3} ^2 +\frac{2}{3}^3+\frac{2}{3}^4+\frac{2}{3}^5+...$

or factored to be something like this
$\frac{2}{3}^2 *(1+\frac{2}{3}+\frac{2}{3}^2+\frac{2}{3}^3+...)$
which i believe there's a formula for

regardless using a calculator, the summation turns out to be 4/3 i think

you should definitely double check this step

so replacing the summation for 4/3, the equation is now
q*(4/3) =8

pretty easy to solve from here
divide 4/3 to both sides to get q

any questions?

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3 years ago

Simplify the exsprestion, 2.8 * 4.1. exsplain why too. <br> HELP PLZ IM BEING TIMMED

alina1380 [7]

Answer:

11.48

Step-by-step explanation:

2.8 * 4.1

11.48

I hope this helps! May I have brainliest pls? :)

8 0

3 years ago