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ss7ja [257]
3 years ago
11

What’s the correct answer for this question?

Mathematics
1 answer:
shtirl [24]3 years ago
8 0

Answer:

C:

Step-by-step explanation:

In a circle, the measure of an inscribed angle is half the measure of the central angle with the same intercepted arc

So

AQD = ARC AD/2

<AQD = 78/2

<AQD = 39°

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What is the length of line segment s a? 1.89 ft 2.43 ft 3 ft 7 ft
Slav-nsk [51]

The ratio of the sides will be constant. Then the value of the length of line segment SA will be 3 ft.

The missing diagram is given below.

<h3>What is the triangle?</h3>

A triangle is a three-sided polygon with three angles. The angles of the triangle add up to 180 degrees.

The triangles ΔABC and ΔSBT are the similar triangles.

Then the ratio of the sides will be constant.

BS / SA = BT / TC

10 / SA = 9 / 2.7

      SA = 3

Then the value of the length of line segment SA will be 3 ft.

More about the triangle link is given below.

brainly.com/question/25813512

#SPJ1

3 0
2 years ago
A jar contains n nickels and d dimes. There is a total of 236 coins in the jar. The value of the coins is $15.75. How many nicke
just olya [345]

The total if all 236 coins were nickels would be $11.80, which is $3.95 short of the actual amount.

Replacing a nickel with a dime adds $0.05 to the total value, so there must have been $3.95/$0.05 = 79 such replacements.

There are 79 dimes.

There are 236 -79 = 157 nickels.

_____

Using the given variables, the problem statement gives rise to two equations. One is the based on the number of coins. The other is based on their value.

  • n + d = 236
  • .05n +.10d = 15.75

Solving the first for n, we get

... n = 236 - d

Substituting that into the second equation, we have

... .05(236 -d) +.10d = 15.75

... .05d = 15.75 -236·.05 . . . . . collect terms, subtract .05·236

... d = 3.95/.05 . . . . . . . . . . . . . divide by .05

... d = 79

... n = 236-79 = 157

___

The solution should look familiar, as it matches the verbal description at the beginning.

6 0
4 years ago
Question 2: show working out
kherson [118]
Answer in fraction form is exactly 2/27 
Answer in decimal form is approximately 0.07407

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

Explanation:

4 people play both,9 play flat flute only, 12 play piano only.
So 4+9+12 = 13+12 = 25 people play one instrument only or they play both.

We have 27 people total meaning that 27-25 = 2 play neither instrument.

Divide the values 2 and 27 to get
2/27 = 0.07407
this value is approximate (rounded to five decimal places)

5 0
3 years ago
Which of the following points is a solution to the system of inequalities graphed below?
Radda [10]
The answer is a), (2,0).
7 0
3 years ago
Read 2 more answers
Lila hired a chainsaw for a week.
AnnZ [28]

Answer:

296

Step-by-step explanation:

There are 5 days where the fee was $37 and 2 days where the fee was $42

so simply multiply the given values by the number of days used.

(37*5)+(42*2)

185+84

296

8 0
3 years ago
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