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Gre4nikov [31]
3 years ago
13

One stamp is randomly selected from a 10-by-10 sheet of 100 stamps. What is the probability that the stamp selected is not along

an outer edge? Express your answer as a common fraction. Plz answer as soon as possible... thx!
Mathematics
1 answer:
kap26 [50]3 years ago
4 0
Ten plus eight teen plus eight
Thirty six

Ten times ten
One hundred

One hundred minus thirty six
Sixty four

1/64 is the fraction and the answer
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Write an equation of the line that passes through (2,7) and is parallel to the line shown ( please help !! )
Anna007 [38]

Answer:

y=2x+3

Step-by-step explanation:

We will first need to determine the slope of the line shown.

We know that it passes through the two points (-2, -2) and (1, 4).

Thus, we can use the slope formula to find the slope between the two points:

\displaystyle m=\frac{y_2-y_1}{x_2-x_1}

Let (-2, -2) be (x₁, y₁) and let (1, 4) be (x₂, y₂). Substitute:

\displaystyle m=\frac{4-(-2)}{1-(-2)}=\frac{6}{3}=2

Hence, the slope of the original line was 2.

Since we want the new line to be parallel, the slope of the new line must also be 2.

We know that the slope is 2 and it passes through the point (2, 7).

So, we can use the point-slope form:

y-y_1=m(x-x_1)

We will substitute 2 for m. We will also let (2, 7) be (x₁, y₁). Substitute:

y-7=2(x-2)

Solve for y. Distribute the right:

y-7=2x-4

Add 7 to both sides. Hence, our equation is:

y=2x+3

6 0
2 years ago
Mr. Sharon can paper a room in 3hrs. His assistant needs 5hrs. If Mr. Sharon works 1hr and then his assistant completes the job
stealth61 [152]

4 hours? Sorry if it's wrong

hope I helped!!!

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What is the value of the expression below when a = 5?<br> ​<br> ​ 7a - 4
Ostrovityanka [42]

Answer:

31

Step-by-step explanation:

7 0
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4000 is the answer to your question
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The shape you describe is a rhombus. 
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2 years ago
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