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AnnZ [28]
3 years ago
10

One reading at an artic research station showed that the temperature was -35 degrees Celsius. What is this temperature in Fahren

heit?(question 20)
Mathematics
1 answer:
wel3 years ago
6 0
The answer is -31 degrees Fahrenheit.
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masha68 [24]

Answer: 11219861986

Step-by-step explanation: i used a calculator

5 0
3 years ago
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Kim is 5 years older than her brother Jack. If the sum of their ages is 21, find each of their ages.
yarga [219]

9514 1404 393

Answer:

  • Kim is 13
  • Jack is 8

Step-by-step explanation:

Let k represent Kim's age. Then Jack's age is k-5 and the total of their ages is ...

  k + (k -5) = 21

  2k = 26 . . . . . . . add 5, collect terms

  k = 13 . . . . . . . . . divide by 2; Kim's age

  k -5 = 8 . . . . . . . Jack's age

Kim is 13; Jack is 8.

7 0
2 years ago
What is the length of the side a ?<br><br> A=
vodka [1.7K]

Answer:

a = 5

Step-by-step explanation:

Notice that \triangle CDB is a right triangle where its hypotenuse is \overline{CB}. We can also see that a = CB. For this we must use the Pythagorean Theorem.

Recall:

The Pythagorean Theorem states that if you have a right triangle, the principal square root of the sum of the squares of each leg is the length the hypotenuse.

We can see that CD = 3 and DB = 4

a = \sqrt{CD^2 +DB^2} \\ a = \sqrt{3^2 +4^2} \\ a = \sqrt{9 +16} \\ a = \sqrt{25} \\ a = 5

7 0
3 years ago
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Which of the sets of three dimensions could make a right triangle ​
hodyreva [135]

Answer:

B) 6, 8, 10

Step-by-step explanation:

All right triangles will follow the following theorem (Pythagorean theorem):

a^2+b^2=c^2, where a and b are two legs of the triangle and c is the hypotenuse. Out of all answer choices, only B) 6, 8, 10 follow this theorem.

4 0
2 years ago
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Scottie is standing next to a lighthouse on the edge of a cliff overlooking the ocean. The cliff is 30 meters above
Anit [1.1K]

a.

Scottie =  30

Top of the lighthouse =  45   (30+15)

The boat =  0

The fish = -10

b.

10 + 30 = 40

5 0
3 years ago
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