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Trava [24]
3 years ago
6

Help!!! Find the measure of the arc or angle indicated.

Mathematics
1 answer:
Serhud [2]3 years ago
4 0

Answer:

  • 77°

Step-by-step explanation:

  • m∠QDC = 1/2(mQB + mBC)
  • 5x + 17= 1/2( 4x - 6 + 9x + 4)
  • 10x + 34 = 13x - 2
  • 13x - 10x = 34 + 2
  • 3x = 36
  • x = 12

m∠QDC = 5*12 + 17 = 77

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The data set shows the numbers of yogurt pretzels in various bags.
Marizza181 [45]

Answer:

C

Step-by-step explanation:

3 0
3 years ago
Given line m is parallel to line n. What theorem or postulate justifies the statement? ∠1 ≅ ∠4
natima [27]

Answer:

corresponding angles postulate

Step-by-step explanation:

just took the test ;)

6 0
3 years ago
Two cards are drawn without replacement from a standard deck of 52 playing cards. What is the probability of choosing a red card
joja [24]

Answer: \dfrac{3}{51}

Step-by-step explanation:

Given : The total number of cards in a deck = 52

Number of red cards = 26

There are two types of red  cards : diamond and heart.

Number of diamond cards = 13

The probability that the first card is a diamond :-

\dfrac{13}{52}=\dfrac{1}{4}

Since diamond is also a red card.

Now, the total cards left = 51

The number of red cards left = 12

The probability that the second card is a red card (without repetition) is given by :-

\dfrac{12}{51}

Now, the probability of choosing a red card for the second card drawn, if the first card, drawn without replacement, was a diamond :-

\dfrac{1}{4}\times\dfrac{12}{51}=\dfrac{3}{51}

7 0
4 years ago
One of Eric's steps is 18in long. How many steps would he take to walk 1 mile?
Evgesh-ka [11]

Answer:

3520 steps

Step-by-step explanation:

The first thing we must do is figure out how many inches are in a mile. (There are 63,360 inches in one mile). With that out of the way, we can now divide these inches by 18, since each of Eric's steps are 18 inches long, and we want to determine how many steps he would have to take. 63,360 divided by 18 is 3520. This means our answer is 3520 steps, and that is how many steps he must take to walk 1 mile. I hope you understood and please let me know if you still need help!

5 0
3 years ago
Read 2 more answers
An investor invested a total of ​$3,500 in two mutual funds. One fund earned a 8​% profit while the other earned a 5​% profit. I
Triss [41]

Answer:

i found this so srry if its wrong i saw no one answering this so i wanna help

Step-by-step explanation:

so,  x*(7/100) + (3500 - x)*(4/100) = 197

=> 3x + 14000 = 19700

=> 3x = 19700 - 14000

=> x = 5700/3 = 1900

7 0
2 years ago
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