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maria [59]
3 years ago
12

What is m D? mZD = PLZZZ help

Mathematics
1 answer:
RUDIKE [14]3 years ago
4 0

Answer:

Angle D is 63

Step-by-step explanation:

oAngle B is congruent and correponding to angle D

Angle B is 63 degrees

so therefore, angle D is also 63 degrees

<em><u>Hope this helped! Have a nice rest of ur day! Plz mark as brainliest!!! :D</u></em>

<em><u>-Lil G</u></em>

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solve the equation below for y. 8x − 2y = 24 a. y = 4x − 12 b. y = 12 − 4x c. y = 8x − 24 d. y = 4x − 8
Feliz [49]
 the answer is a. 4x-12
7 0
3 years ago
Carly solved a quadratic equation by completing the square, but her work has errors. Identify the first error in Carly's work.
Savatey [412]

Answer:

Her first error was adding the wrong number to both sides. Instead of 4², it should be 2²

Step-by-step explanation:

When completing the square, the number that needs to be added to both sides is (b/2)²

In this problem, b is 4. So, Carly should have added 2² to both sides, but she added 4² instead.

So, her first error was adding 4² to both sides instead of 2²

8 0
3 years ago
The scores on a test for a sample of 42 statistics students are summarized in the following table. 9, 90, 18, 80, 15, 70. Find t
igomit [66]
<h3>Answer:   78.6</h3>

Work Shown:

\begin{array}{|c|c|} \cline{1-2}\text{Number of People} & \text{Score}\\\cline{1-2}9 & 90\\\cline{1-2}18 & 80\\\cline{1-2}15 & 70\\\cline{1-2}\end{array}

Multiply across the rows to form a third column. Example: 9*90 = 810 in the first row.

\begin{array}{|c|c|c|} \cline{1-3}\text{Number of People} & \text{Score} & \text{Number*Score}\\\cline{1-3}9 & 90 & 810\\\cline{1-3}18 & 80 & 1440\\\cline{1-3}15 & 70 & 1050\\\cline{1-3}\end{array}

The values in the third column add to 810+1440+1050 = 3300

Divide this over the total number of people which is 9+18+15 = 42

The mean is 3300/42 =78.571 approximately which rounds to 78.6

5 0
2 years ago
you eat $0.85 for every cup of hot chocolate you sell. How many cups do you need to sell to earn $55.25
Alina [70]

0.85$ for 1 cups

1$ for 1/0.85 cups

55.25$ for [1/0.85]*55.25 = 55.25/0.85 = 65 cups


5 0
3 years ago
School A and B are competing in an academic contest. at the beginning of the final round, school A has 174 points and school B h
zhenek [66]

Answer:

Step-by-step explanation:

First add 11 then -69

4 0
3 years ago
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