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4 years ago

8

At 8:00, the temperature was 6 degrees Celsius (°C). Three hours later, the temperature was -13°C. By how many degrees Celsius d

id the temperature change?

1 answer:

Mrac [35]4 years ago

6 0

It changed 19 degrees. Since it's -13, you just count until you get -13.

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Two square pyramids have the same volume. The first pyramid has base edge 20 in. and height 21 in. The second pyramid has height

BaLLatris [955]

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3 years ago

What is -8/9-1? (negative eight over nine minus one)

Lyrx [107]

The answer is -1

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3 years ago

Carlos and Maria drove a total of 191 miles in 3.8 hours. Carlos drove the first part of the trip and averaged 49 miles per hour

kondor19780726 [428]

Answer: The answer would be- Marla drove 1.9 hours.

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3 years ago

Jakie ate 2/8 of a bag of celery sticks. she shared the rest with Enrigue. list 3 ways they could have shared.

const2013 [10]

3/8 and 3/8
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4 0

3 years ago

In a circle, a 90-degree sector has area 196 pi in^2. What is the radius of the circle?

o-na [289]

Answer:

The radius of the circle is $28\ in$

Step-by-step explanation:

we know that

In a circle, a 90-degree sector represents a quarter of the circle area.

The area of a quarter circle is equal to

$A=\frac{1}{4}\pi r^{2}$

we have

$A=196\pi\ in^{2}$ ----> area of a quarter circle

so

$196\pi=\frac{1}{4}\pi r^{2}$

Simplify

$r^{2}=196*4$

$r=28\ in$

5 0

3 years ago