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3 years ago

What's the equation of a line that passes through point (–1, 3) with a slope of 1?

Mathematics

1 answer:

PilotLPTM [1.2K]3 years ago

7 0

Answer:

equation is y = x+4

Step-by-step explanation:

m = 1

y = mx + b

3 = 1*(-1)+b

3 = -1+b

b = 4

again

y = mx+b

y = 1x +4

so y = x+4

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If f(x)=-5squared -4 and g(x) = -3x-2find (f+g)(x)

zloy xaker [14]

Answer:

-3x + 19

Step-by-step explanation:

f(x) = -5² - 4

f(x) = 25 - 4

f(x) = 21

(f+g)(x) = f(x) + g(x)

21 + -3x - 2

-3x + 19

7 0

3 years ago

which expression is equal to 2 square root of 28 - 5 the square root of 63? a. -11 square root of 7, b. -37 the square root of 7

adell [148]

Answer:

<u>The correct answer is A. - 11 square root of 7.</u>

Step-by-step explanation:

We have the expression 2 √28 - 5 √ 63 and we have to find and equal expression.

Let's simplify it:

2 √28 - 5 √ 63

2 √7 * 4 - 5 √ 9 * 7 (28 is also equal to 7 * 4 and 63 is equal to 9 * 7)

2 * 2 √7 - 5 * 3 √ 7

4 √7 - 15 √7

- 11 √7

<u>The equal expression is A. - 11 square root of 7.</u>

6 0

3 years ago

A hockey league has a total of 252 players on 12 teams. How many players per team are there in the league?

storchak [24]

252 divided by 12 is 21
The answer to your question is 21

3 0

4 years ago

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Solve the differential equation dy/dx=2*y/x,x>0 simplify?

Andrew [12]

Separate your variables:

$\dfrac{\mathrm dy}{\mathrm dx}=\dfrac{2y}x\implies \dfrac{\mathrm dy}y=2\dfrac{\mathrm dx}x$

Integrating both sides gives

$\displaystyle\int\frac{\mathrm dy}y=2\int\frac{\mathrm dx}x\implies \ln|y|=2\ln|x|+C\implies y=e^{2\ln|x|+C}=Cx^2$

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4 years ago

Definition of mean, median, mode & range?

pickupchik [31]

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Mode: the most common number that appears in a set of data
Range: biggest number take away the smallest number

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3 years ago

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