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GenaCL600 [577]
3 years ago
14

Ms. Hamby gave a quiz. Two students' work and the answer key are shown. Ms. Hamby accepts equivalent answers in any form. Part A

Based on Ms. Hamby's answer key, how many questions did Student A answer correctly? Explain your response.
Mathematics
1 answer:
Zina [86]3 years ago
4 0

Answer:

attach a picture

Step-by-step explanation:

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Answer:$120 dollars

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3 years ago
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What is 4x(5x-2)=20x-2
Zanzabum

Answer: x = 1.32 and x= 0.076

Step-by-step explanation:

4x(5x-2) = 20x-2

20x^2-8x = 20x-2

20x^2-8x-20x+2=0

20x^2-28x+2=0

Using quadratic equation

x = (-b +or- √(b^2-4ac))/2a

a =20, b=28, c= 2

Substitute into the equation

x= (7+√39)/10. = 1.32

x = (7-√39)/10 = 0.076

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3 years ago
Hello every everyone I have a new question I trued to get this question but it's all wrong so if you know this answer can you pl
goblinko [34]

Answer:

third choice, 5(x+2y-3)

Step-by-step explanation:

multiply every item in the parentheses by 5.

8 0
3 years ago
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EXPERT HELP: EXPLAIN THE ANSWER AND DON'T GUESS<br><br> Tell me the mean of each brand
rosijanka [135]

Answer:

D

Step-by-step explanation:

IF you count the dots for each graph, you would see that the minimum for B is Higher than group A's maximum, Therefore, the numbers do not overlap. This means that at a simple glance you can see which company does better.

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Find the area and perimeter
Arada [10]

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A = 31.36

P = 22.4

4 0
3 years ago
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