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Aliun [14]
3 years ago
13

I need help, what do I do?

Mathematics
1 answer:
AnnZ [28]3 years ago
6 0
I'm sorry sorry don't no understand brother
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FIRST ANSWER WILL GET BRAINLIEST In parallelogram EFGH, m∠1 = 3x – 5, m∠2 = x + 10, and m∠3 = 2x + 15.
nirvana33 [79]

Answer:

D. 85 Degrees

7 0
2 years ago
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In an experiment, the probability that event A occurs is
AnnZ [28]

Answer:

1/63

Step-by-step explanation:

Here is the complete question

In an experiment, the probability that event A occurs is  1 /7  and the probability that event B occurs is  1 /9 .

If A and B are independent events, what is the probability that A and B both occur?

Simplify any fractions.

Solution

the probability of independent events A and B occurring is P(A u B) = P(A)×P(B) where P(A) = probability that event A occurs =  1 /7 and P(B) = probability that event B occurs =  1 /9 .

So,  P(A u B) = P(A)×P(B) = 1/7 × 1/9 = 1/63

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3 years ago
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How many real and complex roots exists for a polynomial?
solmaris [256]

Step-by-step explanation:

whenever a complex number is a root of a polynomial with real coefficients, its complex conjugate is also a root of that polynomial. as an example, we'll find the roots of the polynomial..

x^5 - x^4 + x^3 - x^2 - 12x + 12.

the fifth-degree polynomial does indeed have five roots; three real, and two complex.

7 0
3 years ago
(these are the rest) May i get more help please :( thank you :)
joja [24]

Answer:

7. a = 1,075 sq ft

8. 128 sq ft

9. a = 80 in

10. $28

3 0
2 years ago
Tim measures the length of four grasshoppers in his backyard: 5/4cm, 7/4cm, 9/4cm, 3/4cm. What is the average length?
hodyreva [135]

Answer:

1.5 cm

Step-by-step explanation:

To find averages, you add up all the values then divide by the amount of number there are (i.e, 6, 7, 8, so there would be three numbers and therefore divide by 3)

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3 years ago
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