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OverLord2011 [107]
3 years ago
12

What is the y-intercept of the function f(x)=4-5x

Mathematics
1 answer:
Sophie [7]3 years ago
6 0

Answer:

the y intercept is 4

Step-by-step explanation:

f(x)=4-5x

rewrite

y = -5x+4

this is in the form y= mx+b where b is the y intercept

b = 4

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Sam bought 4 bags of sugar for his restaurant. Each bag weighed 6.3 kilograms. How many kilograms of sugar did he buy total?
nikklg [1K]

Answer:

25.2

Step-by-step explanation:

4*6.3

3 0
4 years ago
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without looking not picking a red hat from a box that holds 20 red hats, 30 blue hats, 15 green hats, and 25 white hats
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Is this graph shown below a proportional or non proportional linear relationship
mr Goodwill [35]

Step-by-step explanation:

where is the graph

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5w&lt;15 what is w?<br><br> a. w&lt;75<br> b. w&lt;10<br> c. w&lt;5<br> d. &lt;3
timama [110]

Step-by-step explanation:

5w < 15 \\  \frac{5w}{5}  <  \frac{15}{5}  \\ w < 3

4 0
4 years ago
What is the focus of the parabola? y=−1/4x2−x+3
alex41 [277]

Answer:  Focus = (-2, 3)

<u>Step-by-step explanation:</u>

y=-\dfrac{1}{4}x^2-x+3\\\\\rightarrow a=-\dfrac{1}{4},\ b=-1

First let's find the vertex. We do that by finding the Axis-Of-Symmetry:

AOS: x=\dfrac{-b}{2a}\quad =\dfrac{-(-1)}{2(\frac{-1}{4})}=\dfrac{1}{-\frac{1}{2}}=-2

Then finding the maximum by inputting x = -2 into the given equation:

y=-\dfrac{1}{4}(-2)^2-(-2)+3\\\\y=-1+2+3\\\\y=4

The vertex is: (-2, 4)

Now let's find p, which is the distance from the vertex to the focus:

a=\dfrac{1}{4p}\\\\\\-\dfrac{1}{4}=\dfrac{1}{4p}\\\\\\p=-1

The vertex is (-2, 4) and p = -1

The focus is (-2, 4 + p) = (-2, 4 - 1) = (-2, 3)

3 0
3 years ago
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