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neonofarm [45]
3 years ago
6

Simplify the expression √10 -4 √10 Please don’t guess

Mathematics
1 answer:
Fed [463]3 years ago
3 0

Answer:

\large\boxed{\sqrt{10}-4\sqrt{10}=-3\sqrt{10}}

Step-by-step explanation:

\sqrt{10}-4\sqrt{10}=1\sqrt{10}-4\sqrt{10}=(1-4)\sqrt{10}=-3\sqrt{10}

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Can someone please tell me why we write a number as 'difference' in math?
uranmaximum [27]

Answer:

We need to do difference so we can have how many numbers differ between the 2 numbers

Step-by-step explanation:

For example: 5-2=? We want to know what is the difference between the number which is 3 hope I explained it the best I can!!

8 0
3 years ago
Solve for r but write the answer in Simplified form<br><br> -12 = 15r
user100 [1]

Answer:

r = -4/5

Step-by-step explanation:

Divide both sides by 15 so you have r

-12/15        simplify (both by 3)

-4/5

4 0
3 years ago
Investment problems
vitfil [10]

Answer:

B

Step-by-step explanation:

This is a simple interest problem. The formula for simple interest is:

i=Prt

Where

i is the interest amount

P is the principal amount

r is the rate of interest

t is the time in years

Given P, r, and t, we need to find convert r (as a percentage) to a decimal. We simply divide by 100. Shown below:

r = 7% = 7/100 = 0.07

Now, we substitute into formula and find i (interest):

i=Prt\\i=(300)(0.07)(2)\\i=42

Correct answer is B, $42

4 0
3 years ago
Which of the following are not polynomials
Hoochie [10]

Answer:

A, C, F.

Step-by-step explanation:

A polynomial consists of an expression that involves only non-negative integer exponents for the variable; in all of your cases, the variable is x.

So, expression A has a square root of x, that is a rational exponent.

Expression C has variables in the denominators, that is negative exponent.

Expression F has variable at the exponent.

8 0
3 years ago
Read 2 more answers
I need help with this work
hammer [34]

Answer:

no

Step-by-step explanation

m=18

the reason why is because 5+4 =9 so 9*2=18

18/2=9

9-4=5

4 0
3 years ago
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