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hichkok12 [17]
3 years ago
8

Help meeeee please and thank you

Mathematics
1 answer:
netineya [11]3 years ago
6 0

Answer:

Whenever you divide two terms with the same base, you <u>keep</u> the base and <u>subtract</u> the exponents.

Example:

x³ / x⁷ = x³⁻⁷ = x⁻⁴ = 1 / x⁴

or

8¹³ / 8⁶ = 8¹³⁻⁶ = 8⁷

Whenever you multiply two terms with the same base, you <u>keep</u> the base and <u>add</u> the exponents.

Example:

x³ × x⁷ = x³⁺⁷ = x¹⁰

or

12⁻⁵ × 12⁹ = 12⁻⁵⁺⁹ = 12⁹⁻⁵ = 12⁴

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In a given figure if o is the centre of circle and oabc is a parallelogram find the value of abc
ahrayia [7]

From the given information, we get the value of ABC = 120°.

<h3>How to estimate the value of ABC?</h3>

Given: In the figure, O exists the center of the circle and OABC exists as a parallelogram.

Now, the radius of the circle exists

OA = OB = OC

Opposite sides of a parallelogram are equal

AB = OC and OA = BC

In ∆OAB,

OA = OB = AB and,

In ∆OCB,

OC = OB = BC

Therefore, ∆OAB and ∆OCB exist in equilateral triangles.

All angles of an equilateral triangle are equivalent to 60°.

Hence, ∠ABC = ∠OBA + ∠OBC

∠ABC = 60° + 60°

∠ABC = 120°

Therefore, the value of ∠ABC = 120°.

To learn more about parallelogram refer to:

brainly.com/question/24291122

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6 0
2 years ago
Rewrite the expression using only positive exponents. Then, evaluate the expression. 3^{-2}
nasty-shy [4]

Step-by-step explanation:

Rewrite the expression using only positive exponents. Then, evaluate the expression. 3^{-2}

7 0
3 years ago
1. What is the probability of not spinning a 5 or an 8 on the
storchak [24]

Answer:3/4

Step-by-step explanation: The probability of spinning a 5 is 1/8, and the probability of spinning an 8 is 1/8, so the probability of spinning either one is 2/8. Therefore, the probability of NOT spinning a 5 or an 8 is 8/8 -2/8 or 6/8 which is the same as 3/4

4 0
3 years ago
-3/5 and -5/8 as decimals​
Zepler [3.9K]

Answer:

-3/5 = -0.6

-5/8 = -0.625

Step-by-step explanation:

I most definitely did not use a calculator.

3 0
3 years ago
I need help with this. It’s for geometry!
blsea [12.9K]

Step-by-step explanation:

Find angle W first:

37 + 93 + W = 180 ---> W = 50°

Use sine law to find the length w:

w/(sin 50) = 31/(sin 37)

w = 31(sin 50/sin 37)

= 39.5

4 0
3 years ago
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