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goblinko [34]
3 years ago
8

If m<ABF=(7x+20)°,m<FBC=(2x-5)°,and m<ABC=159°, find the value of x​

Mathematics
1 answer:
Bond [772]3 years ago
5 0

Answer:

x = 16

Step-by-step explanation:

∠ ABF + ∠ FBC = ∠ ABC , substitute values

7x + 20 + 2x - 5 = 159 , that is

9x + 15 = 159 ( subtract 15 from both sides )

9x = 144 ( divide both sides by 9 )

x = 16

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Divisibility Rules:<br> The number 257 is divisible by 5.<br> True<br> False
Pepsi [2]

Answer:

The answer is false because the last digit of any number must end with 0 or 5 to be divisible by 5

Step-by-step explanation:

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3 years ago
I’m not sure which one is right
Dvinal [7]

the answer i got is, C.

4 0
4 years ago
Trigonometry question help ,?? (15 points)
Taya2010 [7]
SOH CAH TOA
This is the acronym for all trigonometric ratios. 
Sin. = opposite/hypotenuse
Cos. = adjacent/ hypotenuse
Tan. = opposite/ adjacent.

In this picture the OPPOSITE leg and the HYPOTENUSE is given to us. With this information we can apply the "TOA" ratio.

Sin. R = opposite/hypotenuse
Sin. R = 3/4 or 0.75
Use a calculator or table to find 0.75 in the sin. column.
The final answer should be 49.
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5 0
4 years ago
1/3 as a percent? Djdjenkeoqkehrwklwjrhr
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Answer:

33% or with 10th place decimal 33.3%

Step-by-step explanation:

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Hope this helps!

6 0
3 years ago
Read 2 more answers
You spin the spinner, flip a coin, then spin the spinner again. Find the probability of the compound event. Write your answer as
Lesechka [4]

The correct question is;

You spin the spinner, flip a coin, then spin the spinner again. Find the probability of the compound event. Write your answer as a fraction or percent. If necessary round your answer to the nearest hundredth. Find the probability of spinning an odd number, flipping heads, then spinning another odd number? Write your answer as a fraction in simplest form.

Answer:

If the spinner has an even number of spaces, the probability of spinning an odd number, flipping heads, then spinning a yellow is = 1/8

Whereas, if the spinner has an odd number of spaces, more information is needed

Step-by-step explanation:

The answer will depend on whether the spinner has an odd or even number of spaces.

Now, if we suppose that the spinner has an even amount of numbers on it, there will be an equal number of odd and even numbers.

Thus the probability of spinning an odd number is ½.

Also, the probability of flipping heads on a coin is ½.

Thus, the probability of spinning an odd number, flipping heads, then spinning another odd number is;

= ½ × ½ × ½ = ⅛

Similarly,

If the spinner has an odd amount of numbers on it, the probability of spinning an odd number will vary. For instance, if there are 5 spaces on the spinner, the probability of spinning an odd number will be

3

However, if there are 9 spaces, the probability will be 5/9

So,we can conclude that;

If the spinner has an even number of spaces, the probability of spinning an odd number, flipping heads, then spinning a yellow is = 1/8

Whereas, if the spinner has an odd number of spaces, more information is needed.

6 0
3 years ago
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