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Alex_Xolod [135]
2 years ago
9

I need help finding the angles. The answer Isn't even

Mathematics
1 answer:
mart [117]2 years ago
6 0

The 3 inside angles of a triangle equal 180.

Add the 3 angles together to equal 180:


X + (5x-20) + 4x = 180

Simplify the left side by adding like terms:

10x-20 = 180

Add 20 to each side:

10x = 200

Divide both sides by 10:

x = 20


Angle A = x = 20

Angle B = 4X = 4(20) = 80

Angle C = 5x-20 = 5(20) -20 = 100-20 = 80

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Estimate by rounding the first number to the nearest ten and the second number to the nearest hundred. 19 Х 307 II ? Х ? = ?​
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Answer:

6,200

Step-by-step explanation:

19-20

307-310

310 x 20= 6,200 or 20 x 310= 6,200

8 0
2 years ago
Raul had 56 bouncy balls. he puts 3 times as many balls into red gifts bags as he puts into green gift bags. If he puts the same
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Can someone tell me what is the slope of the line that includes points (4,-10) and (6,8)
miss Akunina [59]

Answer: hmmm no!

Step-by-step explanation:

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3 years ago
Tanya bought a bunch of bananas that weighed 2 pounds 14 ounces. How much is this. A) 30 ounces B)46 ounces C)16 ounces D)38 oun
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Answer:

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Step-by-step explanation:

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8 0
2 years ago
Read 2 more answers
A wildlife preserve features a crocodile with a documented age of 24 years, believed to be one of the oldest crocodiles in capti
zysi [14]

Answer:

0.0104

Step-by-step explanation:

Given that, the lifespans of crocodiles have an approximately Normal distribution, with a mean of 18 years and a standard deviation of 2.6 years.

So, mean, \mu=18

and standard deviation, \sigma=2.6

The z-score, for any arbitrary life span of  x year, is given by

z=\frac{x-\mu}{\sigma}

By using the given values, we have

z=\frac{x-18}{2.6} \cdots(i)

The z-score for x=24, by using equation (i), is

z=\frac{24-18}{2.6}=\frac{6}{2.6}=2.31

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But, the proportion of crocodiles have lifespans of at least 24 years

= Area to the right side of the z=2.31

=1- (Area to the left side of the z=2.31)

=1-0.98956

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5 0
2 years ago
Read 2 more answers
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