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3 years ago

14

if the total precipitation (rainfall and snow) for the year at a mountain town is expected to be 37.9 and it has already rained

26.82 inches, how many more inches of precipitation are excepted?

1 answer:

zimovet [89]3 years ago

3 0

Answer:

11.08 inches of precipitation expected.

Step-by-step explanation:

subtract 37.9 by 26.82 since you want to know how much precipitation is left.

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Prove that in general (x + a)<br> 2 ≠ x2 + a2

qwelly [4]

Answer:

yes they are not equal because (x + a) = 2x + 2a

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2 years ago

Nick has $7.00. Bagels cost $0.75 each, and a small container of cream cheese costs $1.29. Write an inequality to find the numbe

jeyben [28]

Since the question only asks for bagels, put the cream-cheese idea aside.
The total spent has to be less than $7 so an equation can be this: $0.75x<$7 where x is the number of bagels

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3 years ago

35,000;3,500;350; I have to find the rule to this pattern

Vikki [24]

The answer is was he number is being divided by 10

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2 years ago

Working together to palms can drain a certain pool in three hours if it takes the older pump nine hours to drain the pool by its

andreyandreev [35.5K]

Answer:

It would take the newer pump 4.5 hours to drain the pool

Step-by-step explanation:

Let's investigate first what is the fraction of the job done in the unit of time (hour in this case) by each pump if the work individually:

older pump: if it takes it 9 hours to complete the job, it does $\frac{1}{9}$ of the job in one hour.

newer pump: we don't know how long it takes (this is our unknown) so we call it "x hours". Therefore, in the unit of time (in one hour) it would have completed $\frac{1}{x}$ of the total job.

both pumps together: since it takes both 3 hours to complete the job, in one hour they do $\frac{1}{3}$ of the job.

Now, we can write the following equation about fractions of the job done:

<em>The fraction of the job done by the older pump plus the fraction of the job done by the newer pump in one hour should total the fraction of the job done when they work together.</em> That is in mathematical terms:

$\frac{1}{9} +\frac{1}{x} =\frac{1}{3}$

and solving for x:

$\frac{1}{9} +\frac{1}{x} =\frac{1}{3} \\x+9=3x\\2x=9\\x=\frac{9}{2} \,\,hours\\x = 4.5\,\,hours$

4 0

3 years ago

Write the expression as a power

Natasha_Volkova [10]

The expression given in the question is expressed as a power is x^10

According to the law of indices, multiplication of powers becomes addition as shown:

$a^m \times a^n = a^{m+n}$

Given the following expressions;

$xx^4x^4x$

This can also be expressed as:

$= x \times x^4 \times x^4 \times x\\= x^{1+4+4+1}\\=x^{5+5}\\=x^{10$

This shows that the expression as power is x^10

Learn more here: brainly.com/question/20298728

8 0

2 years ago