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AVprozaik [17]
3 years ago
8

I’ll mark Brainiest?

Mathematics
1 answer:
Usimov [2.4K]3 years ago
8 0
The answer is D. Group =2
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How do you solve literal equations
Mnenie [13.5K]
<span>See examples before for the method to solving literal equations for a given variable: Solve A = bh for b. Since h is multiplied times b, you must divide both sides by h in order to isolate b. Since (c+d) is divided by 2, you must first multiply both sides of the equation by 2. my own words didnt get off google im a teacher</span>
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3 years ago
Can you use the ASA Postulate or the AAS Theorem to prove the triangles congruent? (1)
Ber [7]

Answer:

asa only because the two triangles are facing each other like a reflection making them congruent

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3 years ago
Scores from an exam are normally distributed with a mean of 85 and a standard deviation of 5. Suppose 188 students take the exam
charle [14.2K]

The mean is \mu=85 and standard deviation is \sigma=5. Then the variable X\sim N(85,5).

Use substitution Z=\dfrac{X-\mu}{\sigma}=\dfrac{X-85}{5}, then the variable Z\sim N(0,1).

The probability Pr(X>80) can be calculated in the following way:

for X=80, Z=\dfrac{80-85}{5} =-1 and Pr(X>80)=Pr(Z>-1). From the diagram Pr(Z>-1)=0.34+0.34+0.135+0.025=0.84.

Conclusion: if 188 students take the exam, then 188·0.84=157.92 (157) would receive a score above 80

4 0
3 years ago
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What is the quotient of 1060 ÷ 48
nikdorinn [45]

1060 / 48 = 22.08 = 22.1

⭐ Please consider brainliest! ⭐

✉️ If any further questions, inbox me! ✉️

8 0
3 years ago
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Find the value of n in 7 times 38 plus 3 times 45 minus 56
Alex787 [66]
7 * 38 + 3*45 - 56 
use order of operations 
(7*38) + (3*45) - 56

266 + 135 - 56

=345
3 0
3 years ago
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