3 years ago

The temperature at 8:00am is 5 degrees Celsius and increases 2 degrees per hour. Does this equal y=2x+5

1 answer:

5 0

Yes.

y represents the temperature.

x represents the number of hours past 8:00am.

Please consider marking this answer as Brainliest to help me advance.

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For a track meet, Tara ran the 1,600 m event at constant speed in 5 minutes and 20 seconds. What was her speed?

9966 [12]

Answer:

300 m/min

Step-by-step explanation:

Using the general formula of d = rt, where d = distance, r = rate and t = time, we can solve for the missing variable (r, or speed). Given Tara's distance of 1600 m and her total time of 5 minutes and 20 seconds, first convert her time into just minutes:

5 $\frac{20}{60}=\frac{1}{3}$

5 $\frac{1}{3}=\frac{16}{3}$

1600 = r(16/3)

Multiply both sides by reciprocal of 16/3: 3/16(1600) = r(16/3)(3/16)

Solve for 'r': 300 meters per minute

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3 years ago

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Darya [45]

Answer:

The correct answer should be D.

Step-by-step explanation:

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2 years ago

What are the domain and range of this function

belka [17]

$f(x)=\sqrt{x-7}+9\\\\\text{the domain:}\\x-7\geq0\to x\geq7\\\\\text{the range:}\\\sqrt{x-7}\geq0\ \text{therefore}\ \sqrt{x-7}+9\geq9\\\\y\geq9$

$Answer:\\domain:\ x\geq7\\range:\ y\geq9$

3 0

3 years ago

Find the missing dimension. Use the scale factor 1: 8. Set up a proportion

Harlamova29_29 [7]

1:8, so for every cm drawn, it is 8 cm in real life.
because the model length is 6cm, you multiply 8 by 6:
8*6 = 48
So the actual length is 48 cm

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2 years ago

How to solve linear equation 3x+y=10

Anuta_ua [19.1K]

Just make the equation look like this y = mx + b
So 3x + y =10 would equal y = -3x + 10

4 0

3 years ago

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