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IRINA_888 [86]
3 years ago
9

I need help on #3!!!

Mathematics
2 answers:
blagie [28]3 years ago
6 0

Answer:

all work is pictured and shown

Veseljchak [2.6K]3 years ago
5 0

Answer:

\frac{{x}^{2} - 9}{{x}^{2} - 16}

Step-by-step explanation:

[\frac{(x - 3)(2x + 1)}{(x - 4)(x + 5)}][\frac{(x + 3)(x + 5)}{(x + 4)(2x + 1)}] =  \frac{(x - 3)(x + 3)}{(x - 4)(x + 4)} =  \frac{{x}^{2} - 9}{{x}^{2} - 16}

In order to figure this out, you have to factor every single trinomial in the denominators and numerators. By doing this, you will arrive at your answer alot swifter.

I am joyous to assist you anytime.

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A square patio has an area of 170 square feet. How long is each side of the patio to the nearest tenth?
Pavlova-9 [17]
Since we know that squares have the same length on all sides, you would find the square root of 170
√170=13.03840481
rounded to the nearest tenth would be 13.1

You can check your work by multiplying 13.1 by 13.1 which equals 170.3

I try to explain the problem and give the answer, I hope this helps!
7 0
3 years ago
I’m not sure why the picture didn’t work
lutik1710 [3]

Answer:

4.1

Step-by-step explanation:

6 0
2 years ago
Please help!! Which lists the sides of the triangle from least to greatest?
vredina [299]

Answer:

Scott Street, Park Street,Oak Street

Step-by-step explanation:

5 0
2 years ago
A room contains three urns: u1, u2, u3. u1 contains 3 red and 2 yellow marbles. u2 contains 3 red and 7 yellow marbles. u3 conta
Archy [21]

Answer:

\dfrac{11}{30}

Step-by-step explanation:

Urn U1: 3 red and 2 yellow marbles, in total 5 marbles.

The probability to select red marble is \dfrac{3}{5}=0.6.

Urn U2: 3 red and 7 yellow marbles, in total 10 marbles.

The probability to select red marble is \dfrac{3}{10}=0.3.

Urn U1: 1 red and 4 yellow marbles, in total 5 marbles.

The probability to select red marble is \dfrac{1}{5}=0.2.

The probability to choose each urn is the same and is equal to \frac{1}{3}.

Thus, the probability that the marble is red is

\dfrac{1}{3}\cdot 0.6+\dfrac{1}{3}\cdot 0.3+\dfrac{1}{3}\cdot 0.2=\dfrac{1.1}{3}=\dfrac{11}{30}.

4 0
3 years ago
Using all my points for this. Sorry for making somebody have to do this but I have to do some other homework on the side that I
givi [52]

Answer:

I am busy but all the questions from 1 to 6 just add the measure of 2 angles which are given and then subtract it from 180, you will get the measure of the remaining angle.

7.

8.: 180/3

9. x = 5

10. i dont know

i dont know = no time....

Step-by-step explanation:

8 0
2 years ago
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