3 years ago

Mr. Jackson gave an exam worth 50 points.

Mathematics

2 answers:

soldi70 [24.7K]3 years ago

7 0

Answer:

The person above is right, and deserves brainliest.

31 Is the correct answer

ED2021

Feliz [49]3 years ago

3 0

Z = (score - mean)/sd

-1.75 = (x - 38)/4

Multiply both sides by 4:

-7 = x -38

Add 38 to both sides:

x = 31

He scored a 31 points on the exam

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Vitek1552 [10]

Answer:

Given :

→x-y=12

→xy= 3²

Equation formed:

${(x - y)}^{2} = {x}^{2} + {y}^{2} - 2xy$

Step by step explanation:

${(12)}^{2} = {x}^{2} + {y}^{2} - 2 \times 9 \\ 144 + 18 = {x}^{2} + {y}^{2} \\ = 162$

hope it helped you:)

8 0

3 years ago

If the measure of <8 is 112 degrees, the the m<6 = ?

WITCHER [35]

Answer:

112 Degrees

Step-by-step explanation:

Since 8 is 112 degrees, and 6 is opposite of 8, that means the measure of angle 6 is also 112 degrees

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2 years ago

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diamong [38]

Answer:63

Step-by-step explanation:

4 0

3 years ago

Factor completely 121x^2 - 16.

Sindrei [870]

Assuming you meant the x2 as x squared, then:

(11x+4)(11x-4)

5 0

3 years ago

How many solutions are there to this equation 3(x-4)+5-x=2x-7

Svetlanka [38]

3x-12+5-x=2x-7
2x-7 =2x-7

Means there are infinite solutions.

8 0

3 years ago