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Genrish500 [490]
3 years ago
9

Kyle's math teacher is basing quarterly grades on different percentages for the various work shown on the table. Using the given

Mathematics
1 answer:
Marina86 [1]3 years ago
8 0
<h2>Answer:</h2><h2>Kyle's expected quaterly avaarage = 87%</h2>

Step-by-step explanation:

Kyle's quaterly scores of various grade works are shown in the table.

To find the quaterly average of Kyle, we have to take average on the scores listed in the table.

Here, 4 subjects are listed and average must be performed on those scores.

Average = \frac{92 + 84 + 82 + 88}{4} = 86.5 % = 87%

Kyle's expected quaterly avaarage = 87%

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nika2105 [10]

Given:

m∠YXV = 3x + 48

m∠WUX = x + 62

Using the corresponding angle theorem, since X is the midpoint of UV and Y is the midpoint VW, m∠YXV is congruent to m∠WUX.

Thus, we have:

m∠YXV = m∠WUX

3x + 48 = x + 62

Solve for x.

Subtract x from both sides:

3x - x + 48 = x - x + 62

2x + 48 = 62

Subtract 48 from both sides:

2x + 48 - 48 = 62 - 48

2x = 14

Divide both sides by 2:

\begin{gathered} \frac{2x}{2}=\frac{14}{2} \\  \\ x=7 \end{gathered}

To find m∠WUX, where x = 7, we have:

m∠WUX = x + 62

= 7 + 62

= 69º

ANSWER:

m∠WUX = 69º

5 0
2 years ago
Solve the system of equations given by 5x - 2y = -6 and 15x - 6y = 6
AURORKA [14]

Answer:

8x - 3y = 12 _______( 1 )

5x = 2y + 7 _______( 2 )

On further solving ( 2 ), we get

5x - 2y = 7 _______( 3 )

Multiply ( 1 ) by 2

16x - 6y = 24 _______( 4 )

Multiply ( 3 ) by 3

15x - 6y = 21 _________( 5 )

Subtract ( 4 ) and ( 5 )

( 16x - 6y ) - ( 15x - 6y ) = 24 - 21

16x - 6y - 15x + 6y = 3

Put this in ( 2 )

5 ( 3 ) = 2y + 7

15 = 2y + 7

2y = 15 - 7

2y = 8

y = 8 / 2

Step-by-step explanation:

8 0
4 years ago
One morning it was -9 degrees in Ohio and -7 in Pennsylvania. Compare -9 and -7. Which state is warmer?
mariarad [96]

Answer:

pennsylvania because -9 is colder than -7

Step-by-step explanation:

give brainliest if right

7 0
3 years ago
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Hi there! Sorry to bother you, but can someone help me out with this? (the number 7 to 10)
maksim [4K]

Answer:

7. <K = <R

8. PR = JK

9. <A = <X

10. TX = AB

For question 7, find the angle that looks the most similar to the angle in the question.

For question 8, since the sides (not the hyp.) are equal, PR will be equal to any of those two.

For question 9, the triangles are positioned differently, but it is the angle with two angle lines on it.

Lastly, for question 10, TX will be the same length as the shortest side in the corresponding triangle.

6 0
3 years ago
Maria buys 2 dozen pens at $7.20 a dozen. she then sells the pens at 80c each. calculate her profit​
Luda [366]
Her profit is $4.80 :)

$7.20•2=$14.40
24 pens • $0.80 =$19.20
$19.20-$14.40=$4.80 profit :)
3 0
3 years ago
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