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Anna [14]
2 years ago
12

I'll mark brainliest thanks in advance ​

Mathematics
1 answer:
dezoksy [38]2 years ago
8 0

Answer:

x = 2

Step-by-step explanation:

These are known as alternate exterior angles. These types of angles are equal to each other.

8x-7=2x+5\\6x-7=5\\6x=12\\x=2

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Seven and two hundred sixty-seven ten thousandths as a decimal
coldgirl [10]

7.0267

Step-by-step explanation:

The clue here is that the decimal point follows after the "and"

For example,

One and one thousandth = 1 + 1/1000 = 1.001

One and two hundred sixty-three thousandths = 1+ 263/1000 = 1.263

Hence;

seven and two hundred sixty-seven ten thousandths= 7+ 267/10000= 7.0267

Learn More

Decimal points form :brainly.com/question/232702

Keywords : hundred, ten thousandths,decimal

#LearnwithBrainly

8 0
3 years ago
Solve A = a+b/2 for b
jeka94

Answer:

Step-by-step explanation:

I'm not sure if the right side is \frac{a + b}{2} or a + \frac{b}{2}, so I'll provide an answer for both:

A = \frac{a + b}{2}

2A = a + b

2A - a = b

A = a + \frac{b}{2}

A - a = \frac{b}{2}

2(A - a) = b

2A - 2a = b

6 0
3 years ago
Read 2 more answers
Please help <br> What is the sign of the product (−4)(2)(−3)(6)?
shtirl [24]
The answer is multiplication
3 0
3 years ago
The ages of adults in a certain community follow a normal distribution with mean 38 and standard deviation 6. The random variabl
nataly862011 [7]

Answer:

a = 33.32

Step-by-step explanation:

Problems of normally distributed samples are solved using the z-score formula.

In a set with mean \mu and standard deviation \sigma, the zscore of a measure X is given by:

Z = \frac{X - \mu}{\sigma}

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the pvalue, we get the probability that the value of the measure is greater than X.

In this problem, we have that:

\mu = 38, \sigma = 6

P(32 < x < a) = .0590

This is the pvalue of Z when X = a subtracted by the pvalue of Z when X = 32.

X = 32

Z = \frac{X - \mu}{\sigma}

Z = \frac{32 - 38}{6}

Z = -1

Z = -1 has a pvalue of 0.1587

X = a

p - 0.1587 = 0.0590

p = 0.0590 + 0.1587

p = 0.2177

So when X = a, Z has a pvalue of 0.2177. So when X = a, Z = -0.78.

Z = \frac{X - \mu}{\sigma}

-0.78 = \frac{X - 38}{6}

X - 38 = -0.78*6

X = 33.32

So a = 33.32

3 0
3 years ago
Can somebody help me with this problem
photoshop1234 [79]
20% of students
50% of teachers
4 0
3 years ago
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