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liraira [26]
3 years ago
14

Paul's average for 3 tests was 85. The average of his scores for the first 2 tests was also 85. What was his score for the third

test?
Mathematics
1 answer:
vagabundo [1.1K]3 years ago
5 0
The third test had a score of 85
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. . What property is shown? . . . . –12 + (27 + 12) = –12 + (12 + 27).
sergiy2304 [10]
<span>The property that is shown in the expression given in the question is commutative property. The word commutative has basically been taken from the word "commute". This means moving around and in case of this problem, it means moving around for doing the addition and getting to the right answer. I hope it helps you.</span>
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9372282 rounded to the nearest 100
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The answer would be 9,372,300.

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Angle G and H are vertical angles. If angle G is 45 degrees and angle H is 2x degrees, what is the value of x?
Veseljchak [2.6K]

Answer:

x = 22.5

Step-by-step explanation:

Vertical angles are congruent by the vertical angles theorem. Therefore is angle G is 45 degrees, then that means that angle H must be 45 degrees as well.

The value of x can be found by making the expression that represents angle H (2x) equal to 45 in an equation to solve for x.

2x = 45

Divide both sides by 2.

x = 22.5

6 0
3 years ago
The table represents a linear function. Find the values of A and B.​
bazaltina [42]

Answer:

The answers are that a = -5 and b = 1

Step-by-step explanation:

In order to find A and B, we first need to find the equation of the line. We can do this by using two ordered pairs and the slope formula. For the purpose of this activity, I'l use (0, 5) and (-3, 11)

m(slope) = (y2 - y1)/(x2 - x1)

m = (11 - 5)/(-3 - 0)

m = 6/-3

m = -2

Now that we have this we can model this using point-slope form.

y - y1 = m(x - x1)

y - 5 = -2(x - 0)

y - 5 = -2x

y = -2x + 5

Now that we have the modeled equation we can use the ordered pair (a, 15) to solve for a.

y = -2x + 5

15 = -2(a) + 5

10 = -2a

-5 = a

And we can also solve for b using the ordered pair (2, b)

y = -2x + 5

b = -2(2) + 5

b = -4 + 5

b = 1

4 0
3 years ago
WILL GIVE BRAINLIEST<br> Subtract 9x^2+7x-2<br> from 8x-10
konstantin123 [22]

Answer:

x − 9 x ^2 − 8

Step-by-step explanation:

6 0
2 years ago
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