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2 years ago

Find the values of m and c if the straight line y=mx+c passes through the point (-2,5) and has a gradient of 4.

Mathematics

1 answer:

MAVERICK [17]2 years ago

6 0

(2,5) and (4,13)

y - y1 = y2 - y1

x - x1 x2 - x1

y - 5 = 13 - 5 = 8/2 = 4 x - 2 4 - 2

y - 5 = 4x - 8

y = 4x - 3

m = 4, c = -3

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azamat

Answer:

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Step-by-step explanation:

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3 years ago

Read 2 more answers

when camping alone , mr adam uses all of the water in 12 days, then when mrs adams and mr adams camp together they use all of th

professor190 [17]

Using the together rate, it is found that if Mrs Adams camps alone, she will use all the water in 24 hours.

<h3>What is the together rate?</h3>

The together rate is the sum of each separate rate.

In this problem, the rates are:

Together: 1/8.

Mr Adam: 1/12.

Mrs Adams: 1/x.

Hence:

$\frac{1}{12} + \frac{1}{x} = \frac{1}{8}$

$\frac{x + 12}{12x} = \frac{1}{8}$

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$x = \frac{96}{4}$

$x = 24$

If Mrs Adams camps alone, she will use all the water in 24 hours.

More can be learned about the together rate at brainly.com/question/25159431

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2 years ago

Find K such that the points (-2, 5), (2, 8) and (6, K) are collinear.

damaskus [11]

Answer:

k = 11

Step-by-step explanation:

let the points be A(-2,5), B(2,8), C(6,K).

for the points to be collinear slope of line AB maust be equal to line BC.

slope of line AB = $\frac{8-5}{2+2}=\frac{3}{4}$

slope of line BC = $\frac{k-8}{6-2}=\frac{k-8}{4}$

therefore $\frac{k-8}{4}= \frac{3}{4}$

therefore k = 8 + 3

k = 11

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3 years ago

What is the measure of angle z in this figure?

ASHA 777 [7]

Answer:

z = 137°

Step-by-step explanation:

$z^{o} =(180-43)^{o} =137^{o}$

Hope this helps

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2 years ago

S2.256 T2.22 U2.099 V2.71

77julia77 [94]

Answer:

D) V, S, T, U

Step-by-step explanation:

Note that the question is asking for the order from greatest to least. In the case of decimals, I find it easier to compare by placing them in a line going down and filling in zeros where needed to make them the same place values:

2.256 - S

2.220 - T

2.099 - U

2.710 - V

Since they all have the same first digit, I will look at the next digit following the decimal. '7' is the greatest, then '25', then '22' then '09':

D) V, S, T, U

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3 years ago