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Zanzabum
3 years ago
5

8. Find the y-intercept of a line with a slope of 1/4 and going through the point(-4,4).​

Mathematics
1 answer:
Tems11 [23]3 years ago
5 0

Answer:

(0, 5)

Step-by-step explanation:

Equation for a linear line in y=mx+b is

y-y1=m(x-x1)

x1 = -4

y1 = 4

m = 1/4

y-4 = 1/4 (x--4)

y-4= 1/4 (x+4)

y-4 = 1/4x + 1

y = 1/4x + 5

When x=0, y=5 making 5 your y intercept.

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kenny6666 [7]

The cost to equip all the stations in the chemistry lab is calculated as: $393.75.

<h3>How to Calculate Total Cost?</h3>

In this scenario, we are given the following:

Total number of stations = 21 stations

Length of rubber tubing each of the stations in the chemistry lab needs = 5 feet

Total length of rubber tubing needed for all stations in the chemistry lab = 21 × 5 = 105 feet

Cost of 1 rubber tubing = $6.25 per yard

Convert 5 feet to yard:

1 yard = 3 feet

x yard = 5 feet

x = (5 × 1)/3

x = 5/3 feet.

So, the cost of 1 rubber tubing = $6.25 per 5/3

Cost of total length of tubbing needed = (105 × 6.25)/5/3 = (105 × 6.25) × 3/5

Cost of total length of tubbing needed = $393.75

Therefore, the cost to equip all the stations in the chemistry lab is calculated as: $393.75.

Learn more about the How to Calculate Total Cost on:

brainly.com/question/2021001

#SPJ1

6 0
1 year ago
5-78 what does that give me
Sholpan [36]
5 -78 is equal to (-73)
4 0
2 years ago
Read 2 more answers
Find f(3) if<br> f(x)=x^3 + 2x^2-x-1
Wittaler [7]

Answer:

\underline{ \boxed{f(3) = 41}}

Step-by-step explanation:

if \to \: f(x)=x^3 + 2x^2-x-1 \\ then \: f(3) =  {3}^{3}  + 2( {3)}^{2}  - 3 - 1 \\ f(3) = 27 + 18 - 4 \\ f(3) = 41

4 0
2 years ago
This set of ordered pairs is a function (22, 4), (21, 1), (0, 0), (1, 1), and (2, 4).
Mariulka [41]

Answer:

Step-by-step explanation:

You know these ordered pairs are considered a function, because the x intercepts do not repeat themselves. In other words, each input numbers are different. If these ordered pairs were not a function, the x intercept would be repeating. For example,  22 is already a x intercept, (22,4), if 22 was put in as another x intercept like,(22,1) these ordered pairs would not be a function.

3 0
3 years ago
PLEASE HELP<br><br> simplify the expression<br><br> 2. 10r^(-7)t^3
Alina [70]
<span>10r^(-7)t^3
= 10t^3 / r^7

hope it helps</span>
4 0
2 years ago
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