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2 years ago

Passes through (1.2) and (3, -8). with y=mx+b

Mathematics

2 answers:

notka56 [123]2 years ago

7 0

Answer:

y = -5x - 10

Step-by-step explanation:

-8-2 -10

____ = ___ = -5

3 - 1 2

mr Goodwill [35]2 years ago

3 0

Answer:

y = -5x + 7

Step-by-step explanation:

<u>Find the slope:</u>

m = (- 8 - 2) / (3 - 1) = -10 / 2 = -5

<u>Use the point (1, 2) and find the equation:</u>

y - 2 = -5(x - 1)
y = -5x + 5 + 2
y = -5x + 7

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How do you solve 24=x•30

ollegr [7]

I Tired To Explain It As Best As I Could.

Isolate the variable by dividing each side by factors that don’t contain the variable.

24 = x • 30

Use The Commutative Property To Reorder The Terms

24 = 30x

Swap The Sides Of The Equations

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Any Expression Divided By Itself Equals 1

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A bag contain 5 red marbles,4 green marbles and 1 blue marble. A marble is chosen at random from the bag and not replaced; then

jarptica [38.1K]

Answer:

$\frac{2}{15}$

Step-by-step explanation:

GIVEN: A bag contain $5$ red marbles, $4$ green marbles and $1$ blue marble. A marble is chosen at random from the bag and not replaced, then a second marble is chose.

TO FIND: What is the probability both marbles are green.

SOLUTION:

Total marbles in bag $=10$

total number of green marbles $=4$

Probability that first marble will be green $P(A)=\frac{\text{total green marbles}}{\text{total marbles}}$

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Hence the probability both marbles are green is $\frac{2}{15}$

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