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adell [148]
2 years ago
10

The formula to convert Celsius to Fahrenheit is FC +32. Convert 87°F to

Mathematics
1 answer:
melisa1 [442]2 years ago
4 0

Answer:

31°

Step-by-step explanation:

To convert Fahrenheit to Celsius is C= (F-32) * 5/9

So first do parenthesis 87-32= 55

Next multiply that number by 5/9 which is 30.55555555

Then round your answer = 31°

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m_a_m_a [10]

Beth's speed was 60 mph.

<h3>What is speed?</h3>
  • The speed (commonly referred to as v) of an object in everyday use and kinematics is the magnitude of the change in its position over time or the magnitude of the change in its position per unit of time; it is thus a scalar quantity.
  • The distance traveled by an object in a time interval is divided by the duration of the interval; the instantaneous speed is the limit of the average speed as the duration of the time interval approaches zero.
  • Velocity is not the same as speed.

To find what was Beth's speed:

Beth's data:

  • time = 2 hrs; rate = r mph; distance = r×t = 2r miles

Tim's data:

  • time = 1 hr; rate = r-6 mph; distance = r-6 miles

Equation:

  • distance + distance = 174 miles

So,

  • 2r + r - 6 = 174
  • 3r - 6 = 174
  • 3r = 180
  • r = 60 mph (Beth's rate)
  • r-6 = 54 mph (Tims's rate)

Therefore, Beth's speed was 60 mph.

Know more about speed here:

brainly.com/question/4931057

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3 0
1 year ago
Enter the number that belongs in the green box
Vlada [557]

Answer:

X=90

Step-by-step explanation:

x=90 because it is a right angle.

hope that helps!

5 0
2 years ago
What's 6+□=3+□ please help me I really need the answer
Alexeev081 [22]
6+3 = 3+6 is your answer
8 0
3 years ago
Read 2 more answers
HELP PLEASE WILL GIVE BRAINLIST
rodikova [14]

Answer:

Let R be the greater radius and r be the smaller radius

A) Area of the sidewalk = R^2 - r^2   - This can be the expression

B)  = 3.14

=(R^2-r^2)

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=(121-81)

=*40

That was the simplified expression

Answer = 3.14 * 40 = 125.6m^2

Step-by-step explanation:

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2 years ago
Your high school is having a competition where students have to guess how many candy canes are in a jar. The tens digit is 4 mor
rodikova [14]

Answer:

40

Step-by-step explanation:

let ones be x

tens is 4 + 2x

4 + 2x + x = 4

3x = 0

x = 0

tens is 4 + 2*0

tens = 4

40 candy canes

5 0
2 years ago
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