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Dmitriy789 [7]
3 years ago
8

13 (10+2) could be used to simplify which of the following problems

Mathematics
1 answer:
Strike441 [17]3 years ago
5 0

Answer:

If i'm correct the answer is

156

Step-by-step explanation:

10+2=12

12*13=156

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bonufazy [111]

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yes

Step-by-step explanation:

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Need help with math 25 points and brainlest correct answers only
marusya05 [52]

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Wz I think

Step-by-step explanation:

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Help with homework please? Not asking for answers, but want to learn how to do these.
Ivahew [28]
Hi there!

Since you said that you didn't want answers, I'll try my best to just explain things to you. However, if you'd like to work on problems, just let me know and I'd be happy to help you find answers.

SIMPLIFY THE SUM OR DIFFERENCE:
For these, what you can do is get all of the numbers to the same form. Such as simplifying the square root of 64 to 8. This will help you to be able to add or subtract things easily. The only time that you can subtract or add things is if whatever is under the square root is the same.

SIMPLIFY THE PRODUCT:
For these, you need to first multiply or distribute. You multiply both the numbers and the square roots. However, what is under the square root stays underneath the square root until you simplify it.

SIMPLIFY THE QUOTIENT:
These can be tricky sometimes. What you need to do is first, get the top and bottom as simplified as you can. Then, begin getting rid of the same things, as they cancel each other out. Once you've simplified as much as you can, make sure there isn't a square root in the denominator. There should never be one there! To get rid of it, multiply the top and bottom by whatever is under the square root on the bottom. For example, if I had 5/squareroot(10), then I would multiply the top and bottom by squareroot(10) to get rid of the square root in the denominator.

SIMPLIFY THE EXPRESSION:
To simplify the expression, most times all you need to do is distribute and possibly subtract or add (sometimes). The only time you can add or subtract square root is if (what is under the square root) is the same. If they are not the same, then you do not need to worry about further simplifying as there is nothing else that you can do.

Hope this helps!! :)
Message me anytime if there's anything else that I can help you with!
5 0
3 years ago
A ship travels 200 miles due west, then adjusts its course 30° north of west. The ship continues on this course for 30 miles. Ap
Marta_Voda [28]

Answer:

174.66\ mi  or 175\ mi

Step-by-step explanation:

we know that

Applying the law of cosines

c^{2}=a^{2}+b^{2}-2(a)(b)cos(C)

In this problem we have

a=200\ mi

b=30\ mi

C=30\°

substitute the values

c^{2}=200^{2}+30^{2}-2(200)(30)cos(30\°)

c^{2}=30,507.695

c=174.66\ mi

6 0
3 years ago
Read 2 more answers
Need help with this ​
photoshop1234 [79]

Answer:

9.6x10^3

Step-by-step explanation:

9,600

find the highest number

9,600

^

bring the decimal to that number

9.600

count how many spaces it took to get to that number

9.600

   ^ ^ ^

3

so its 10 to the third power

7 0
3 years ago
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