The temperature at 5pm is 20F. The temperature at 10pm is -5F. How many degrees did it fall?please show work

Answers

Answer 1

Answer: Change in temperature = Final temp. - Initial temp.
⇒ -5 - 20 = -25 F

So, Temperature fall be 25 degree. [ -ve sign shows temperature fall]

Hope this helps!

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If 10 men can complete a piece of work in 30 days how many men are requiredto complete the same job in 25 days?

Answers

We must assume that all workmen work at the same rate, and keep it up forever.

More men ==> fewer days

so the proportion is: 30/25 = x/10

Cross-multiply the proportion:

300 = 25 x

Divide each side by 25 :

x = 300/25 = 12 men

A strip of wood 66 inches long is to be cut into 51/2-inch pieces. How many pieces can be cut?

Answers

So basically 25.5 inch pieces. If that is true then maybe 2 pieces can be cut.

The chairlift at a ski resort rises a total of 2600 feet from where it starts. The angle of elevation is about . How far do riders travel on the lift? Round your answers to the nearest whole number.

Answers

Since 3100/1.4*5280=3100/7392=24.8 degrees for the angle of the ski slope.

A sector of a circle is shown. Find its area, rounded to the nearest tenth. A)
9.8 cm2

B)
10.5 cm2

C)
11.2 cm2

D)
12.3 cm2

*I would like to know how you did it too*

Answers

The area of the sector of the circle, to the nearest tenth is: B. 10.5 cm²

What is the Area of the Sector of a Circle?

Area of the sector of a circle = ∅/360 × πr².

r = radius.

Given:

∅ = 68°

Radius (r) = 4.2 cm

Substitute

Area of the sector = 68/360 × π × 4.2²

Area of the sector = 10.5 cm²

Learn more about area of sector on:

brainly.com/question/22972014

Area of a circle = pi * radius^2
But we're not talking about a whole circle, but a portion of the circle.
The proportion of the area of the whole circle occupied by this sector is equal to the ratio of the created angle to the angle of a whole circle;
that may seem a bit confusing but basically:
Area of the sector = pi * radius^2 * 68/360
so...
Area = pi * (4.2)^2 * 68/360
= 10.467...
= 10.5 cm^2

Patrick wants to estimate the number of rabbits on his university campus. One day he catches 25 rabbits. He puts a tag on each rabbit. He then releases the rabbits back onto the university campus. The next day he catches 16 rabbits. 5 of the rabbits he catches on the second day have a tag on them. Assuming that there is a fixed population size for the rabbits and that he catches the rabbits in a random way, work out an estimate for the total number of rabbits on the university campus.

Answers

Answer:51

Step-by-step explanation:because , first it was 16 , and the next day was 25 , so 16 +25 it’s 51 , in this case 5 don’t care

Please help me I don't know how to do it

Answers

findd total collected
add everybody
fri+sat+sun+mon=
21+5 and 5/6+2.75+4 and 5/8
add what you can
21+5+2.75+4+5/6+5/8=
28.75+5/6+5/8
add the fractions by making denom same
5/6+5/8=20/24+15/24=35/24=1 and 9/24=1 and 3/8
28.75+1 and 3/8=29.75+3/8
that is how many barels total
times 205 since that is how many litesr in each bottle
205 times (29.75+3/8)=
205*29.75+205*(3/8)=
6098.75+76.875=
6175.625

29/30 is lost

1//30 remains
9175.625 times 1/30 (aka divided by 30)=205.854166666666666 litesr
205 bottles (and 0.85 partially full bottle)

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