3 years ago

How to work out -37+-17+-13+4+25+34?

Mathematics

1 answer:

Len [333]3 years ago

8 0

The answer will be -4

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Rewrite 2/5:1/20 as a unit rate

timurjin [86]

1/5 would be your sum.

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3 years ago

Find the difference of functions s and r shown below. r(x) = -x² + 3x s(x) = 2x + 1 ( s-r)(x)=

drek231 [11]

Answer:

Part 1)

$(s-r)(x)=(2x+1)-(-x^2+3x)$

Part 2)

$(s-r)(x)=x^2-x+1$

Step-by-step explanation:

Part 1)

So we have the two functions:

$r(x)=-x^2+3x\text{ and } s(x)=2x+1$

And we want to find:

$(s-r)(x)$

This is the same as:

$=s(x)-r(x)$

Substitute:

$=(2x+1)-(-x^2+3x)$

So, our answer for Part A is:

$=(2x+1)-(-x^2+3x)$

Part 2)

Let's find our difference.

Distribute the -1:

$=(2x+1)+(x^2-3x)$

Combine like terms:

$=(x^2)+(2x-3x)+(1)$

Add:

$=x^2-x+1$

And we're done!

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4 years ago

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A factory ships widgets in crates. There are 12 boxes in each crate. Each box holds 275 widgets. How many widgets are in one cra

Serhud [2]

There are 3300 widgets in each crate.
275 widgets
x 12 boxes
__________________________
3300 widgets in one crate

Hope this helps,
~ Harley Quinn ~

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4 years ago

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Help pls help me with this question please

elena-s [515]

The answer to this is A. I hope this helps

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3 years ago

At an elevation of 1221.4 feet, Lake Mead will hold 28,945,000 acre-feet of water. Which number is the best estimate of this amo

uranmaximum [27]

Answer:

$3 \times 10^{7}$

Step-by-step explanation:

At an elevation of 1221.4 feet, Lake Mead will hold 28,945,000 acre-feet of water.

So, the amount of water that is in the lake will be 28,945,000 acre-feet which is estimated to be 30000000 acre-feet of water.

Therefore, the number $3 \times 10^{7}$ is the best estimate of this amount of water. (Answer)

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3 years ago