State of the two triangles are congruent

Mathematics

1 answer:

Murljashka [212]2 years ago

7 0

Answer:

ans:

5. Hl

6. Hl

7. ASA

8. AAS

Step-by-step explanation:

use different axiom for congurency

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A receptionist named Eve spends 5minutes routing each incoming phone call. In all,how many phone calls does Eve have to route to

Sati [7]

7, because 35 divided by 5=7

5 0

2 years ago

Read 2 more answers

Solve for −4.2y+2.1>−2.52

Alchen [17]

Answer:

y < 1.1

Step-by-step explanation:

Step 1: Subtract 2.1 from both sides

-4.2y + 2.1 - 2.1 > -2.52 - 2.1

-4.2y > -4.62

Step 2: Divide both sides by -4.2

-4.2y / -4.2 > -4.62 / -4.2

Since you divided by a negative, that flips the sign.

y < 1.1

Answer: y < 1.1

4 0

2 years ago

Keenan scored 80 points on an exam that had a mean score of 77 points and a standard deviation of 4.9 points. Rachel scored 78 p

Artemon [7]

Answer:

Keenan's z-score was of 0.61.

Rachel's z-score was of 0.81.

Step-by-step explanation:

Z-score:

Problems of normal distributions can be solved using the z-score formula.

In a set with mean $\mu$ and standard deviation $\sigma$ , the z-score 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 p-value, we get the probability that the value of the measure is greater than X.

Keenan scored 80 points on an exam that had a mean score of 77 points and a standard deviation of 4.9 points.

This means that $X = 80, \mu = 77, \sigma = 4.9$