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andrew-mc [135]
2 years ago
7

Evaluate please I need helppppp

Mathematics
2 answers:
grandymaker [24]2 years ago
8 0

Answer:

-5

Step-by-step explanation:

IrinaK [193]2 years ago
5 0

Answer:

-5 sorry if it's wrong. I tried.

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mixer [17]

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Step-by-step explanation:

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4 0
3 years ago
1<br> What is the volume of a cube of side 1000 mm?
aniked [119]

Answer:

1000000000 ml^3 or 1000000L^3

Step-by-step explanation:

First you have to know that the volume of a cube is found by A^3

A is 1 side of the cube.

Now plug in the number 1000.

1000^3=1000000000 ml^3

To simplify you could turn it into liters. To do this divide by 1000.

This would result in 1000000L^3

3 0
2 years ago
Verify the identity<br><br> cos quantity x plus pi divided by two = -sin x
In-s [12.5K]

Answer:

Identity is verified.

Step-by-step explanation:

We have to verify the identity cos(x+\frac{\pi }{2}) = (- sinx)

To prove any identity we always prove one side(either left hand side or right hand side) of the equation equal to the other side.

In this identity we take the left hand side first

cos(x+\frac{\pi}{2})

=cosx\times cos(\pi/2)-sinx\times sin(\pi/2))  (as we know cos(a+b) = cosa×cosb-sina×sinb)

= cosx\times0-sinx\times1

= 0-sinx

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Hence identity is proved.

6 0
3 years ago
Find the quotient. Simplify completely. Please show work.
nadya68 [22]

1. 8/9 ÷ 4/9 is done by inverting the divisor (4/9) and then multiplying:

(8/9)(9/4) = 8/4 = 2 (answer)

2. 1/3 ÷ 6 is done similarly: (1/3)(1/6) = 1/18 (answer)

3. 4 ÷ 1/5 = 4 * 5 = 20 (answer)

4. 7 1/2 ÷ 1/4 = (15/2)(4/1) = 30 (answer)

8 0
3 years ago
3. (02.02 MC)
LenaWriter [7]

Answer:

O -1+ 3/

Step-by-step explanation:

brainest plz

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2 years ago
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