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Luda [366]
3 years ago
9

Paul is doing the repair work for the roller coaster shown below. Select the most appropriate unit to measure the horizontal dis

tance between the two ends of this loop. A. centimeters B. inches C. feet D. miles
Mathematics
1 answer:
Ymorist [56]3 years ago
5 0

Answer:

Feet

Step-by-step explanation:

Inches and centimeters are really small, so it wouldn't be appropriate to measure it in those units. Miles are really long, so that to would not be appropriate.

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Construct ∆ABC such that AB = 2.5cm, BC = 6cm and AC = 6.5cm. Measure angle B.
Goshia [24]

Answer:

this is the best i could do

steps of construction :

draw a line segment with BC =6cm

with B as centre and 2.5 cm as radius draw an arc with compass

with c as centre and 6.5cm as radius draw another arc which cut the other arc .mark it as A.join A,B,C and triangle is formed. with help of protractor measure angle B

Step-by-step explanation:

3 0
3 years ago
Two buses leave a station at the same time and travel in opposite directions. One bus travels
natima [27]

Answer:

63 miles per hour

54 miles per hour

Step-by-step explanation:

Let the two buses be represented as bus A and bus B.

bus A and bus B leave a station at the same time and travel in opposite directions.

Let the speed of bus A be A miles per hour.

Let the speed of bus B be B miles per hour.

One bus travels 9 miles/hour slower than the other.

Let bus A be the faster bus.

This means that the speed of bus B is B = A - 9

If the two buses are 585 miles apart after 5hours, this means that after 5hours, the total distance travelled by bus A and bus B is 585 miles.

Distance travelled by bus A in 5 hours = speed × time = 5A

Distance travelled by bus B in 5 hours = speed × time = 5B

5A + 5B = 585 - - - - - -1

Substituting B = A - 9 in equation 1

5A + 5(A - 9) = 585

5A + 5A - 45 = 585

10A = 585 + 45 = 630

A = 630/10 = 63 miles per hour

B = A - 9 = 63 - 9 = 54 miles per hour

4 0
3 years ago
Mhanifa can you please help me with this? It’s due ASAP! Look at the picture attached. I will mark brainliest!
WITCHER [35]

Answer:

  • 8) 76°
  • 9) 88°

Step-by-step explanation:

  • <em>Sum of exterior angles of any polygon is 360°</em>
<h3>Exercise 8</h3>

<u>Sum of given angles:</u>

  • 2x + 60° + 64° + 36° + 48° = 360°
  • 2x + 208° = 360°
  • 2x = 360° - 208°
  • 2x = 152°
  • x = 76°
<h3>Exercise 9</h3>

<u>Sum of given angles:</u>

  • x + 90° + 109°+ 73° = 360°
  • x + 272° = 360°
  • x = 360° - 272°
  • x = 88°

4 0
3 years ago
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HELP PLS I NEED HELP When solving the equation such as 3/5x = 1/9, why would you multiply both sides of the equation by the reci
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Because 3/5 and 5/3 make a product of 1, so you have one x on the right side. 
8 0
3 years ago
A triangle has side lengths of 12 cm, 35 cm, and 42 cm. Classify it as acute, obtuse, or right.
Oxana [17]
Acute hope i could help

5 0
3 years ago
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