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Katyanochek1 [597]
4 years ago
8

You just received your final exam score from your teacher. At the top of the exam, it says you missed eleven questions and got 7

6 out of 87 question correct , for a score of 86%. You think your teacher may have made an error when calculating your percentage. Which sentence best describes the test score you received?
A. The percentage is incorrect and should be 87%

B. The percentage is incorrect and should be 77%

C. The number of missed questions is incorrect and should be twelve

D. All the information is incorrect
Mathematics
2 answers:
choli [55]4 years ago
8 0

Answer:

A

Step-by-step explanation:

76 / 87 = .873 x 100

87 %

V125BC [204]4 years ago
8 0
A. It’s a because it’s A
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If x:6 as 3:9 then x is equal to<br> pleas help!!
natima [27]

Answer:

2

Step-by-step explanation:

x/6 = 3/9

cross multiply

9x = 18

divide 9 on both sides

x= 2

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3 years ago
5p coins weigh approximately 3 grams
Ymorist [56]

Answer:

0.3kg(300g)

Step-by-step explanation:

£1=100p

£5=500p

5p=3g

500p=x

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2 years ago
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So is anyone good at geometry ive posted this before but i was used for points i need help
SOVA2 [1]
Answers:
Reason 3: Definition of Parallelogram
Reason 4: Alternate Interior Angles Theorem
Reason 5: Reflexive Property of Congruence
Reason 6: ASA Congruence Property

------------------------------------------------------

Explanations:

Explanation for Reason 3: A parallelogram, by definition, has opposite sides that are parallel. It's built into the name more or less. Sides AB and CD are opposite one another in the parallelogram so they are parallel segments

Explanation for Reason 4: Angle ABD is congruent to angle CDB because they are alternate interior angles. They are on the inside of the "train tracks" that are formed by AB and CD. They lay on opposite sides of the transversal BD

Explanation for Reason 5: Any segment is congruent to itself; ie, the same length

Explanation for Reason 6: Using reasons 2,5 and 4, we can use ASA (angle side angle) to prove the two triangles ABD and CDB congruent. Reason 2 is the first "A" in ASA. Reason 5 is the S in ASA. Reason 4 is the other A in ASA. The side is between the two pairs of angles. See the attache image for a visual summary of how ASA is being used.

8 0
3 years ago
What is the step by step for getting the answer and what is the answer
Ksju [112]
Well 1st V=1/2a•c•h. The "a" is 15 yds, "c" is 9 yds, and the "h" is 12 yds. So V = 15(1/2) • 9 • 12 which = 810yds^3
7 0
3 years ago
Find the x- and y intercepts for the linear equation
Vanyuwa [196]

4. 3x + 2y = 6

x-intercept = 2 ,  y - intercept = 3

5. 4x – 9y = 36

x-intercept = 9, y - intercept = -4

6. x + y = -3

x-intercept = -3, y - intercept = -3

8. x - 3y = 12

x-intercept = 12, y - intercept = -4

Step-by-step explanation:

To find the x-intercept we put y=0 in the equation and to find the y-intercept we put x = 0 in the equation

<u>4. 3x + 2y = 6</u>

Putting y = 0

3x + 2y = 6\\3x +2(0) = 6\\3x = 6\\\frac{3x}{3} = \frac{6}{3}\\x= 2

Putting x=0

3x + 2y = 6\\3(0) + 2y = 6\\2y = 6\\\frac{2y}{2} = \frac{6}{2}\\y= 3

<u>5. 4x – 9y = 36</u>

Putting y = 0

4x -9y = 36\\4x - 9(0) = 36\\4x = 36\\\frac{4x}{4} = \frac{36}{4}\\x = 9

Putting x=0

4(0) -9y = 36\\-9y=36\\\frac{-9x}{-9} = \frac{36}{-9}\\x =-4

<u>6. x + y = -3</u>

Putting y = 0

x+y=-3\\x+0 = -3\\x = -3

Putting x=0

x + y = -3\\0+y=-3\\y=-3

<u>8. X - 3y = 12</u>

Putting y=0

x - 3(0) = 12\\x -0 = 12\\x = 12

Putting x = 0

0-3y = 12\\-3y = 12\\\frac{-3y}{-3} =\frac{12}{-3}\\y=-4

Keywords: Linear equation

Learn more about linear equations at:

  • brainly.com/question/2150928
  • brainly.com/question/2154850

#LearnwithBrainly

3 0
3 years ago
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