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yanalaym [24]
2 years ago
13

Root 15 * root 10 It is urgent

Mathematics
1 answer:
nydimaria [60]2 years ago
6 0

6 \sqrt{5}

Step-by-step explanation:

\sqrt{15}  \times  \sqrt{10}

=  \sqrt{3 \times 5}  \times  \sqrt{2 \times 5}

= 3 \sqrt{5}  \times 2 \sqrt{5}

= 6 \sqrt{5}

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A triangle with sides lengths of 17, 21, and 10. is this a right triangle?
USPshnik [31]
Use Pythagorean thrm
17^2+10^2=21^2
289+100=441
389≠441
This is not a right triangle
3 0
3 years ago
Q÷ 6 = 4 plzzzz helppp I need answerss ASAP
dalvyx [7]

Answer:

q=24

Step-by-step explanation:

the opposite of division is multiplication so 4x6=24. then you check this by of course imputing your answer into the equation. 24 ÷ 6 =4

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2 1/2 + (-1/3)<br> PLz, help me with this question.
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Step-by-step explanation:

7 0
3 years ago
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Number 11
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6 0
3 years ago
Veronica has been saving dimes and quarters she has 110 coins in all and the total value is 18.50 how many dimes and quarters do
Lady_Fox [76]

This problem can be solved by the chicken rabbits method or you can just do simple algebra.

I.) Chicken and rabbits method

First assume all 110 coins are dimes and none are quarters.

We will have a total value of 11 dollars

Now for each dime we switch out for a quarter, we adds 15 cents to the total value.

18.50-11=7.50 dollars

There are 750/15=50 group of 15 cents in the 7 dollars and 50 cents.

This also meant that we need to switch out 50 dimes for 50 quarters.

So we have 50 quarters.

That first method is very good and very quick once you get the hang of it, now I'm going to show you the algebraic way to solve this.

Let's say there are x dimes and y quarters.

Set up equation

x+y=110

10x+25y=1850

Now solve multiply first equation by 10

10x+10y=1100

subtract

15y=750

y=50

Now we set the numbers of quarters to y so the answer is 50 quarters.

I personally recommend using algebra whenever you can because the practice is very important and you will eventually get really fast at setting up and solving equations. The first method is faster in this case but the second is more generalize, hope it helps.

6 0
3 years ago
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