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Alexandra [31]
3 years ago
7

What are the x-intercept and the y-intercept of this function? f(x) = 4x + 12

Mathematics
2 answers:
KonstantinChe [14]3 years ago
7 0

Answer:

x=3 y=0

Step-by-step explanation:

kvv77 [185]3 years ago
5 0

Answer:

-3, 12

Step-by-step explanation:

\mathrm{Solve\:}\:4x+12=0:\quad x=-3

\left(-3,\:0\right)

\mathrm{Solve\:}\:y=4\cdot \:0+12:\quad y=12

\left(0,\:12\right)

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PLEASE HURRY! What is the rate of change of the function? -2 - 1/2 1/2 2<br> Thank you.
svetlana [45]

Answer: -2

Step-by-step explanation: The line has a slope of -2/1, which is just -2.

6 0
3 years ago
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Jane and sali cycled along the same 63 km route.
Alina [70]

Answer:

<em>Sali's speed was 18.75 km/h.</em>

Step-by-step explanation:

Jane took 3.5 hours to cycle the 63 km.

As,  Speed= \frac{Distance}{Time} , so the speed of Jane will be:  \frac{63}{3.5} km/h = 18 km/h

Suppose, the speed of Sali is  x km/h

Sali caught up with Jane when they had both cycled 30 km.

So, <u>the time required for Jane to cycle 30 km</u> = \frac{30}{18}=\frac{5}{3} hours and <u>the time required for Sali to cycle 30 km</u>  =\frac{30}{x} hours

Given that, Sali started to cycle 4 minutes or (\frac{4}{60}) or (\frac{1}{15}) hours after Jane started to cycle. So, the equation will be.......

\frac{5}{3}-\frac{30}{x}= \frac{1}{15}\\ \\ \frac{30}{x}= \frac{5}{3}-\frac{1}{15}\\ \\ \frac{30}{x}= \frac{24}{15}\\ \\ 24x=450\\ \\ x= \frac{450}{24}= 18.75

Thus, the speed of Sali was 18.75 km/h.

8 0
3 years ago
Domain is the set of all input values, while range is the set of all: a. independent variables c. relations b. output values d.
Pavlova-9 [17]

Answer:

b

Step-by-step explanation:

4 0
2 years ago
What is 97 divided by 27​
Vaselesa [24]

Answer:

13.85714

Step-by-step explanation:

5 0
3 years ago
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The equation and answer
dolphi86 [110]

Answer:

The correct answer is 47 degrees.


Step-by-step explanation:

Use cosine.

cos(x)= adj/hyp

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x=arccos(19/28)

Use a calculator

x is approximately 47 degrees.


8 0
3 years ago
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