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Sedaia [141]
3 years ago
14

Just answer the question i'll mark you the brainlest.

Mathematics
2 answers:
Fiesta28 [93]3 years ago
8 0

Answer:

- \frac{8}{11}

Step-by-step explanation:

\frac{(5-3)^2}{1+3^2-21} ← evaluate numerator and denominator

= \frac{2^3}{1+9-21}

= \frac{8}{-11}

= - \frac{8}{11}

Alisiya [41]3 years ago
3 0
-6/11

(5-3^3) = 6

1+9-21= 11
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The correct amount would be $24.7?
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Choose the abbreviation of the postulate or theorem that supports the conclusion that WAS NOT. Given: WS = NT, AS = OT, S = T. S
julsineya [31]

Answer:

The abbreviation of the postulate which can be used to support the conclusion is SAS ( Side Angle Side )

Step-by-step explanation:

Given : WS = NT, AS = OT, S = T

Now, two sides are given to be equal and one angle

So, the similarity postulate which can be used to support the conclusion can be SAS ( Side Angle Side ). But for this postulate to be used, The angle must lie between the two equal sides.

So, the abbreviation of the postulate which can be used to support the conclusion is SAS ( Side Angle Side )

4 0
4 years ago
Read 2 more answers
Do the ratios 19/8 and 5/4 form a proportion?
irina [24]
<h3>Answer: No, they do not form a proportion</h3>

============================================================

Explanation:

Your teacher is effectively asking "are the fractions 19/8 and 5/4 equal?"

Let's assume for now that they are. So we have 19/8 = 5/4

To check if that is a true equation, let's cross multiply

19/8 = 5/4

19*4 = 8*5

76 = 40

The last equation is not true, so the first equation is also not true. The ratios are not in proportion.

---------------------------

Alternative method:

Instead of cross multiplying, we can get all the fractions to have the same denominator. The LCD (lowest common denominator) of the two given fractions is 8. Let's turn 5/4 into a fraction with 8 in the denominator.

We'll multiply top and bottom by 2 to get 5/4 turning into 10/8

Now we're asking "are 19/8 and 10/8 the same?" in which the answer is "no they are not the same". The numerators 19 and 10 are different. The fraction 19/8 is larger than 10/8. So 19/8 is larger than 5/4.

---------------------------

2nd Alternative method:

Use your calculator to see that

19/8 = 2.375

5/4 = 1.25

The decimal values should be the same if the fractions were equal, but they are not. This is a very quick way to compare two fractions.

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3 years ago
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Add both distances to find the total distance between them: 3447+86=3533 ft.
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Write an equation for the number of dollars, d, that you pay for your karate classes if you take classes for m months
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D(dollars x m(monthly)
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