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Zepler [3.9K]
3 years ago
5

Help plsssssssssssssssssssssssss

Mathematics
2 answers:
nataly862011 [7]3 years ago
6 0

Answer:  5x- 4y

Step-by-step explanation:  Hope this helps! :)

Charra [1.4K]3 years ago
3 0

3x and 2x, then 3y and 7y

Step-by-step explanation:

because they have the same letter next to them

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A weather station on the top of a mountain reports that the temperature is currently 0 ∘ C and has been falling at a constant ra
LuckyWell [14K]

Answer:

After 2 hours: -6°C.

After 5 hours: -15°C.

After \frac{1}{2} hours: -1.5°C

1 hour ago: 3°C.

3 hours ago: 9°C.

4.5 hours ago: 13.5°C.

To find these values, you simply need to multiply the hours elapsed by 3°C. Subtract from 0°C for future temperatures, and ADD to 0°C for the past.

Let's say you are solving for the temperature in 5 hours. All you need to do is:

3°C× 5= 15°C. 0°C-15°C= -15°C

For the temperature 3 hours AGO, what you will need to do instead is:

3°C×3= 9°C. 0°C+ 9°C= 9°C.

8 0
3 years ago
Consider the equation below. x2 − y2 + z2 − 6x − 2y − 2z + 9 = 0 Reduce the equation to one of the standard forms. Classify the
pogonyaev

Answer:

See attachment for detailed answer.

Step-by-step explanation:

3 0
3 years ago
What is the answer to this
Arisa [49]

Answer:

x = 20, <S = 47 degrees, <P = 131 degrees

Step-by-step explanation:

27 + x + 119 + 63 + 3x + 71 = 360

4x + 280 = 360

4x = 80

x = 20

<S = 27 + x = 27 + 20 = 47 degrees

<P =  3x + 71 = 3(20) + 71 = 131 degrees

5 0
3 years ago
234/341 in simplest form?
Natali5045456 [20]

Answer:

0.686 (approximately)

Step-by-step explanation:

8 0
3 years ago
Which expression is equivalent to (-3)x+ (-3) (-12)?
julia-pushkina [17]

Answer:

A

Step-by-step explanation:

gimme brainliest

6 0
3 years ago
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