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2 years ago

There is a 72% chance that you will get an exam next week. What is the probability that you will NOT get an exam next week?

Mathematics

1 answer:

Yuliya22 [10]2 years ago

5 0

100 minus 72 equals to 28. 28% of NOT getting an exam next week

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Graph a line that contains the point (4,3) and has a slope 1/2

Roman55 [17]

Answer: The graph is attached.

Step-by-step explanation:

The equation of the line in Slope-Intercept form is:

$y=mx+b$

Where "m" is the slope and "b" is the y-intercept.

We can find "b" substituting the slope and coordinates of the (4,3) into thte equation $y=mx+b$ , and then solving for "b":

$3=\frac{1}{2}(4)+b\\\\3-2=b\\\\b=1$

By definition, the line intersects the x-axis when "y" is zero.

Then, we need to substitute the y-intercept and $y=0$ into $y=mx+b$ and then solve for "x" in order to find the x-intercept:

$0=\frac{1}{2}x+1\\\\-1(2)=x\\\\x=-2$

Knowing the x-intercept and the y-intercept, we can graph the line (The graph is attached)

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2 years ago

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Evaluate each expression if a=4, b=6 and c=3<br><br> 5b-6c

iragen [17]

Answer:

it is 12

Step-by-step explanation:

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2 years ago

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How many tenths are there in 4/5

il63 [147K]

What we have to solve is:

$\frac{4}{5} = \frac{x}{10}$

we should multiply both sides by10, to get the "x" by itself:

$\frac{4*10}{5} = \frac{x}$

$\frac{4*2}{1} = \frac{x}$

$8 = \frac{x}$
so there are 8 tenths in this number!

5 0

2 years ago

F(x) = -9x + 2 and g(x) = -9x + 6, find (f - g)(7)

Lemur [1.5K]

Answer:

I think there is an error in the question because

(f-g) = -4

(f-g) (7) = NO SOLUTION

Step-by-step explanation:

$f(x) = -9x + 2 \\g(x) = -9x + 6\\(f - g)(7)\\(f - g) = -9x + 2 - (-9x+6)\\(f - g) = -9x +2 +9x-6\\(f - g) = -9x +9x+2-6\\(f - g) = -4$

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2 years ago

PLEASE HELP FAST

Romashka-Z-Leto [24]

Answer:

504 in3

Step-by-step explanation:

I did the I-Ready too.

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2 years ago