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Amiraneli [1.4K]
3 years ago
7

Here are the test scores for 15 students in Mr. M's class.

Mathematics
1 answer:
jekas [21]3 years ago
6 0
60%. You count how many total (15) and then how many got below a 90 (9) and then divide 9 by 15.
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The product of two consecutive negative integers is 600. What is the value of the lesser integer?
lapo4ka [179]
X ·( x + 1 ) = 600
x² + x = 600
x² + x - 600 = 0
x_{12} = \frac{-1+/- \sqrt{1+2400} }{2}= \frac{-1+/- \sqrt{2401} }{2}= \\  =\frac{-1+/-50}{2}
x = ( - 1 - 49 ) / 2 = - 50 : 2 = - 25
x = - 25,  x + 1 = - 24
( - 25 ) · ( - 24 ) = 600
Answer:
C )   - 25
8 0
3 years ago
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A boy faces north. He turns left until he faces east. How many right angles does he turn?
kenny6666 [7]
That is so easy, the answer is 1 right angle.North is to front and east is to the right so it is just 1 right angle.
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4 years ago
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What is the standard form of y+2=1/2(x-4)?
Natalka [10]
The standard form of y+2=1/2(x-) is x/2-y=4
4 0
3 years ago
What is the solution to the system of equations graphed below?
barxatty [35]

Answer:

(4,2)

Step-by-step explanation:

Solving the system of equations means to find the dot where both the lines intersect. We know by the graph that the point where the both intersect is (4,2).

Please mark me as brainliest and I hope you do well on your assignment!

7 0
3 years ago
What was Mia’s error? 83 + n = 110<br> 83 + 83 + n = 110 + 83 n=193
horrorfan [7]

Answer:

She added 83, instead of subtracting it.

In the second step it shows she adds it. Which is incorrect.

The correct answer is 27

4 0
3 years ago
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