MATHEMATICS MIDDLE SCHOOL

Circle DDD is below.What is the arc measure of \stackrel{\Huge{\frown}}{BAC}
BAC
⌢
B, A, C, start superscript, \frown, end superscript in degrees?
^\circ
∘

Answers

Answer 1
Answer:

Answer:

276°

Step-by-step explanation:

In the figure attached, circle D is shown.

arc BA + arc AC + arc CB = 360°

(7n + 12) + (13n - 16) + 6n = 360

26n - 4 = 360

n = (360 + 4)/26 = 14°

arc BAC = arc BA + arc AC

arc BAC = (7n + 12) + (13n - 16)

arc BAC = 20n - 4

arc BAC = 20(14) - 4 = 276°
Answer 2
Answer:

Answer:

The answer is 276 degrees. I checked on Khan Academy. The reason 84 degrees is NOT the answer is because that would be the minor arc, not the major arc.

Step-by-step explanation:

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Answers

The least common multiple is 15 because 3 times 5 = 15
The least common multiple is 15 because that is the first number they have in common!!!!

Find the sum using the number line. Drag and drop the sum into the box to match the expression. 3+(−4)help : ' (

Answers

Answer:

Sum = -1 on the number line.

Step-by-step explanation:

As you are given a number line, you will see the markers labeled with possible answers. You start from zero, as if you have no value at all. Then you follow the rules of pemdas and begin moving to the right of the number line by positive 3 points. Then, you do as the equation asks and subtract (go backwards; move to the left) 4 points. Returning 4 spaces and going past the zero mark into the negatives. Finding your answer at the point of negative one.

Answer:

–1

Step-by-step explanation:

First, you'll move right 3 spaces from "0" to "3".

Then, you'll move left 4 spaces from "3" to "–1".

Michael just drank a cup of coffee to help him stay awake. The coffee had 110 milligrams of caffeine in it. If his body processes 5% of the caffeine every hour, how much will be left in 8 hours? A.74 B.72 C.56 D.73

Answers

Answer:C

Step-by-step explanation:
Answer C.56!

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Answers

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Answers

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Resuelve con calculadora y escribe la regla utilizada 36×100=
8×1000=
5.6×10=
5.6×100=
5.6×1000=
2.12×100=

Answers

36* 100 = 3600\n\n8 * 1000 = 8000\n\n5.6 * 10 = 56\n\n5.6 * 100 = 560\n\n5.6 * 1000 = 5600\n\n2.12 * 100 = 212

When you multiply by 10, 100, or 1000, you must move the decimal place over by how many zeroes there are. Once there is no more decimals, you add 0's to the end of the number until you are done.

For example, 5.6 x 1000

1000 has 3 zeroes.

That means we need to move the decimal spot 3 times.

5.6 x 1000 = 56 x 100

We got rid of the decimal but we still have 2 zeroes left. So now we just add 2 zeroes at the end of the number.

5.6 x 1000 = 56 x 100 = 5600

I hope that helps! :)
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