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2 years ago

What is the equation of the line that passes through the points (-7,-1) and has a slope of 1?

Mathematics

1 answer:

Alinara [238K]2 years ago

6 0

Answer:

y = 1x + 6

Step-by-step explanation:

y = 1x + b

-1 = 1(-7) + b

-1 = -7 + b

6 = b

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Solve for x 7x/2+5=8 o x=6/7 o x=26/7 o x=21/2 o x=91/2

pshichka [43]

Answer:

x = 6/7

Step-by-step explanation:

7x/2+5=8

Subtract 5 from each side

7x/2+5-5=8-5

7x/2 = 3

Multiply each side by 2/7

2/7 * 7/2x = 3*2/7

x = 6/7

7 0

2 years ago

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How do simplify 4(x-3)+5(x-3)

vesna_86 [32]

Answer:

9x-27

Step-by-step explanation:

4(x-3)+5(x-3)=4x-12+5x-15=4x+5x-12-15=9x-27

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3 years ago

A single die is rolled twice. Find the probability of rolling an even number the first time and a number greater than 3 the seco

IceJOKER [234]

Events

• A: an even number is rolled in the first time

• B: a number greater than 3 is rolled the second time

The probability of rolling an even number is:

$\begin{gathered} P(A)=\frac{\text{ number of favorable outcomes}}{\text{ total possible outcomes}} \\ P(A)=\frac{3}{6} \\ P(A)=\frac{1}{2} \end{gathered}$

The probability of rolling a number greater than 3 is:

$\begin{gathered} P(B)=\frac{\text{ number of favorable outcomes}}{\text{ total possible outcomes}} \\ P(B)=\frac{3}{6} \\ P(B)=\frac{1}{2} \end{gathered}$

Events A and B are independent, then the probability of one happening after the other is:

$\begin{gathered} \text{ P(A and B) = }P(A)\cdot P(B) \\ \text{ Substituting with the values previously found:} \\ \text{ P(A and B) = }\frac{1}{2}\cdot\frac{1}{2} \\ \text{ P(A and B) = }\frac{1}{4} \end{gathered}$

8 0

1 year ago

I will give extra points please help

pav-90 [236]

Answer:

Step-by-step explanation:

4 0

3 years ago

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540 seconds how many minutes

Ira Lisetskai [31]

1 second = 0.0167 minute
540 seconds = 540 * 0.0167 ≈ 9 minute

Hope this helps :)