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sweet [91]
3 years ago
6

What is the Circumference of this circle

Mathematics
1 answer:
Bad White [126]3 years ago
3 0

Answer:

C = 81.7 units

Step-by-step explanation:

C = 2\pir

r = d/2 = 26/2 = 13

C = 2\pi(13)

C = 81.7 units

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Find the value of x for which m parallel to n <br> A. 31 <br> B. 33 <br> C. 39 <br> D. 41
olya-2409 [2.1K]
Hello!

We are told that n and m are parallel.
The angle that measures 105 degrees is supplementary with the alternate interior angle of the angle which measures (3x - 18) degrees. Supplementary angles add to equal 180 degrees, so we can make an equation by first finding the measure of the alternate interior angle.

180 - 105 = 75

The alternate interior angle measures 75 degrees, so we can set that equal to 3x - 18 to solve for x since alternate interior angles are congruent.

75 = 3x - 18
93 = 3x
31 = x

Answer:
x = 31
4 0
3 years ago
Mariah worked for 3 hours and earned a total of $28.50 Which equation can be used to find r the amount of money Mariah earns an
bixtya [17]
Mariah earn 9.5 an hour
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3 years ago
X= <br><br> A.)2<br> B.)6<br> C.)3.75
viva [34]

Answer:

the answer is 3.75

Step-by-step explanation:

because 3/5 equal to 4/x. x=3.75

3 0
2 years ago
0) How many yards is 24 feet?
masha68 [24]

Answer:

8 yards

Step-by-step explanation:

1 foot = 0.33 yards

(0.33) x (24) = 8

therefore there are 8 yards in 24 feet

6 0
3 years ago
Vectors! Please help! This is the last question OF MY WHOLE SEMESTER! I've tried it so many times and can't get it right. :(
Feliz [49]

Pictures always help; see the one I've attached for reference.

Call the first vector (from HQ to the supply drop) u and the second vector (from supply drop to medics) v. We then want to find w, the vector from the medics to HQ, which corresponds to the vector -(u + v). (This is because u + v is the vector pointing from HQ to the medics; we're talking about the one in the opposite direction.)

Write the vectors in horizontal/vertical component form:

u = (125 km) (cos 235º x + sin 235º y) = (-71.70 x - 102.39 y) km

v = (75 km) (cos 110º x + sin 110º y) = (-25.65 x + 70.48 y) km

Why these angles?

  • "55 degrees south of west" is 235º; due west is 180º from the positive horizontal axis, and you add 55º to this
  • "20 degrees west of north" is 110º; due north is 90º, so add 20º to this

Add the vectors:

u + v = (-97.35 x - 31.92 y) km

Multiply by -1 to get the vector w:

w = -(u + v) = (97.35 x + 31.92 y) km

The distance covered by this vector is equal to its magnitude:

||w|| = √((97.35 km)^2 + (31.92 km)^2) = 102.45 km

The direction <em>θ</em> is given by

tan<em>θ</em> = (31.92 km)/(97.35 km)  ==>  <em>θ</em> = 18.15º

6 0
3 years ago
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