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Andrej [43]
3 years ago
12

Julio predicted that the average high temperature for January would be -7°C. The actual average high temperature was 4 degrees h

igher than Julio’s prediction. Which describes the actual average high temperature for January?
A)–11°C

B)–3°C

C)3°C

D)11°C
Mathematics
2 answers:
Paladinen [302]3 years ago
5 0
Average temperature was 4 degrees higher means "+4",
so -7+4=-3
Answer C)

rusak2 [61]3 years ago
3 0

Answer:

The correct answer is B. The actual average high temperature for January is -3ºC.

Step-by-step explanation:

When we talk about temperatures in negative Celcius degrees (that is, below zero, which is the freezing point in this temperature scale), each temperature increase implies an approach to zero. Therefore, an increase of 4 degrees from -7ºC would reach a temperature of -3ºC, that is, numerically it would lower 4 levels, approaching 0.

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Jasmine is trying to replace the flooring in her rectangular bedroom. When she measured the width and length of the floor, she f
maks197457 [2]

By finding the area of the rectangle, we will see that she will need 150 ft^2 of flooring.

<h3>How to get the area of the rectangle?</h3>

For a rectangle of length L and width W, the area is:

A = L*W

And the perimeter is:

P = 2*(L + W).

In this case, we know that the length is 5ft longer than the width, so we can write:

L = W + 5ft

We also know that the perimeter is 50ft, so we can write:

P = 50ft = 2*(W + 5ft + W)

     50ft = 4*W + 10ft

     40ft/4 = W = 10ft

So the width is 10 ft, and then the length will be:

L = 10ft + 5ft = 15ft

So the area of the rectangle is:

A = 10ft*15ft = 150 ft^2

She will need 150 ft^2 of flooring.

If you want to learn more about areas, you can read:

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4 0
2 years ago
Which model is 85% shaded
aivan3 [116]

Answer:

The first one is correct.

Step-by-step explanation:

5 0
4 years ago
Read 2 more answers
In 2006, 65.2 million people subscribed to cable television. In 2013, that number had decreased to 54.2 million. Find the percen
777dan777 [17]

Given :

In 2006, 65.2 million people subscribed to cable television.

In 2013, that number had decreased to 54.2 million.

To Find :

The percent decrease in the number of cable TV subscribers from 2006 to 2013.

Solution :

Decrease in the number of cable TV subscribers from 2006 to 2013 is :

Percetage\ Decrease = \dfrac{Decrease\ in \ price}{Initial\  price}\times 100\\\\Percetage\ Decrease = \dfrac{65.2-54.2}{65.2}\times 100\\\\Percetage\ Decrease = 16.87

Therefore, percentage decrease is 16.87 %.

8 0
3 years ago
okay so pretty much I need someone to tell me if the answer is wrong or right and how it is wrong or right and then I need the e
likoan [24]
It is wrong because 14/24 should convert to 1/2 not 7/12
4 0
3 years ago
St. augustine grass can grow at the rate of 4 over 7 centimeter per week.
Aloiza [94]

The weeks will it take the grass to grow 12 over 7 centimeters is 3 weeks.

<h3>What is the unitary method?</h3>

The unitary method is a method for solving a problem by the first value of a single unit and then finding the value by multiplying the single value.

St. Augustine grass can grow at the rate of 4 over 7 centimeters per week.

The weeks will it take the grass to grow 12 over 7 centimeters

4/7 x = 12/ 7

28x = 84

x = 84/28

x = 3

The weeks will it take the grass to grow 12 over 7 centimeters is 3 weeks.

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5 0
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