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iren [92.7K]
3 years ago
15

Question 10. Simplify the expression. (x^2 - 9)/(x^2 + 2x - 15)

Mathematics
1 answer:
krek1111 [17]3 years ago
3 0

<em>So</em><em> </em><em>the</em><em> </em><em>right</em><em> </em><em>ans</em><em> </em><em>is</em><em> </em><em>of</em><em> </em><em>option</em><em> </em><em>B</em><em>.</em>

<em>Look</em><em> </em><em>at</em><em> </em><em>the</em><em> </em><em>attached</em><em> </em><em>picture</em><em> </em><em>⤴</em>

<em>Hope</em><em> </em><em>it</em><em> </em><em>will</em><em> </em><em>help</em><em> </em><em>u</em><em>.</em><em>.</em><em>.</em>

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Can somebody help me?​
Mashcka [7]

Answer:

6/7

Step-by-step explanation:

because there are 28 properties in all

4 of them are railroads

but we're not looking for the probability of selecting a railroad, which would be 4/28 or 1/7, but for not selecting a railroad

and 24 of them are not railroads

So the probability of not selecting a railroad is 24/28, which simplified/reduced is 6/7

6 0
3 years ago
The radius of a circle is 7 centimeters
amm1812

a) So we know the formula of finding the circumference: 2*pi*R.

Assuming we make pi = 3.14:     2 * 3.14 * 7 = 43.96.

b) We also know the formula of finding the area: pi * r^2.

3.14 * 7^2. Using PEMDAS:

3.14 * 49 = 153.86

8 0
3 years ago
Write the following comparison as a ratio reduced to lowest terms. 36 nickels to 30 dimes
DIA [1.3K]

Answer:

6:5

Step-by-step explanation:

because 30 and 36 can both be divided by 6;

36/6= 6

30/6= 5

so the ratio is 6 to 5

6 0
3 years ago
Read 2 more answers
Sorry if it’s hard to read :( need some help, can’t seem to focus.. ~ &lt;3 thank you
kvasek [131]

Answer:

Huh?

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
X/2+10=8.95 what is x and how did you find it
g100num [7]

Answer:

x =-2.1

Step-by-step explanation:

X/2+10=8.95

Subtract 10 from each side

X/2+10-10=8.95 -10

x/2 =-1.05

Multiply each side by 2

x/2*2 =-1.05*2

x =-2.1

7 0
3 years ago
Read 2 more answers
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