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maxonik [38]
3 years ago
5

At midnight, the temperature in a city was 5 degrees Celsius. The temperature was dropping at a steady rate of 2 degrees Celsius

per hour. Write an inequality that represents h, the number of hours past midnight, when the temperature was colder than -7 degrees Celsius. *
Mathematics
1 answer:
fredd [130]3 years ago
3 0

Answer:

     5- 2h = -7 ?

Step-by-step explanation:Im not really sure if im right :(

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What is the approximate area of a circle with a diameter of 50 centimeters? use π ≈ 3.14. 87.9 square centimeters 379.9 square c
zheka24 [161]
A=πr^2
The answer is 1962.5
6 0
3 years ago
NJ, TN and OH have 40 reps . NJ has 13 and OH 2 times as many as TN. write expression showing how many OH has
mixas84 [53]
NJ + TN + 2TN = 40
13 + TN + 2TN = 40
3TN = 27
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8 0
3 years ago
12+4y^2-7<br><br><br> please help i will give brainliest
Dennis_Churaev [7]

Answer: 4 2^ + 5

Step-by-step explanation:

;w;

8 0
2 years ago
(50 POINTS) The figure is transformed as shown in the diagram. Describe the transformation. A) dilation, then reflection B) refl
Helga [31]

Answer:

Hi there I was just working on this question on UsaTestPrep and idk if the answer is really correct but here: C: reflection then rotation.

Step-by-step explanation:

Extra Info:

Dilation is when the shape changes in size, which doesn't happen.

Translation is when it just moves across. It may look like that is happening here, but I'll explain.

The triangle is first reflected along the line . Imaging putting a mirror on the x=0 line (the y axis, basically), and you'd see 1 to 2.

Then, it is rotated around the point . Get a bit of tracing paper, draw over 2, and then, holding the tracing paper down at  (works well with a pencil), rotate it round and you will find it fits perfectly over 3.

Also is this the diagram?

6 0
3 years ago
What is the area of a regular octagon with an apothem 16 inches long and a side 19 inches long? round the answer to the nearest
vichka [17]
The area of a regular octagon is given by:
 A = (4) * (L) * (ap)
 Where,
 L: side
 ap: apotema
 Substituting values we have:
 A = (4) * (19) * (16)
 A = 1216 square inches
 Answer:
 
The area of a regular octagon with an apothem 16 inches long and a side 19 inches long is:
 
A = 1216 square inches
8 0
3 years ago
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