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Licemer1 [7]
3 years ago
5

I’m marking brainliest and giving 30 points

Mathematics
1 answer:
ValentinkaMS [17]3 years ago
6 0

Answer:

A

Step-by-step explanation:

The problem asks for how long it takes for the temperature to reach the record high, so the number of minutes it takes for the temperature to reach its peak is what's important.

Hope this helps!

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Suppose that y is directly proportional to x, and y = 150 when x = 15. What is the constant of proportionality?
galina1969 [7]

Answer:  The required constant of proportionality is 10.

Step-by-step explanation:  Given that y is directly proportional to x, and y = 150 when x = 15.

We are to find the constant of proportionality.

According to the given information, we can write

y\propto x\\\\\Rightarrow y=kx~~~~~~~~~~~~~~~~[\textup{where k is the constsnt of propotionality}].

When y = 150 and x = 15, we get from the above equation that

y=kx\\\\\Rightarrow 150=k\times15\\\\\Rightarrow k=\dfrac{150}{15}\\\\\Rightarrow k=10.

Thus, the required constant of proportionality is 10.

3 0
3 years ago
Calculate the volume of the following figure​
Ivan

Answer:

24 units³

Step-by-step explanation:

Formula:

Volume (V) = length (l) × width (w) × height (h)

V=3×4×2=24 units³

3 0
2 years ago
Read 2 more answers
Check the obtained values of 4s²+12s=-9​
marta [7]

\\ \bull\tt\looparrowright 4s^2+12s=-9

\\ \bull\tt\looparrowright 4s^2+12s+9=0

\\ \bull\tt\looparrowright 4s^2+6s+6s+9=0

\\ \bull\tt\looparrowright 2s(2s+6)+3(2s+3)=0

\\ \bull\tt\looparrowright (2s+6)(2s+3)=3

\\ \bull\tt\looparrowright s=-2\:or\:s=\dfrac{-3}{2}

6 0
3 years ago
Read 2 more answers
How many solutions does this equation have?<br><br> 14t − 20 = 14t − 13 − 7
Yanka [14]

Answer:

infinitely many

Step-by-step explanation:

Combine like terms on the right-hand side:

14t-20=14t-20

Add 20

14t=14t

divide by 14

t=t

this means that there are infinitely many solutions

8 0
2 years ago
Read 2 more answers
If (54)m = 51^2, what is the value of m?
Alla [95]
M= 48.16666666666667. You can verify by multiplying it by 54, and comparing it with 51x51 and see if you get same results.
7 0
4 years ago
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