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Olegator [25]
2 years ago
12

What's the slope? Help plssss

Mathematics
2 answers:
frosja888 [35]2 years ago
5 0

Answer:

m = -\frac{4}{3}

Step-by-step explanation:

The slope is -\frac{4}{3} because the line goes <em>down</em> from <em>left to right</em> and it goes down 4 units and right 3 units.

STALIN [3.7K]2 years ago
4 0

Answer:

-\frac{4}{3}

Step-by-step explanation:

Slope is \frac{y2-y1}{x2-x1} so insert 2 points there and you get -4/3

Please give brainliest.

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Assume that advanced students average 93% on an achievement test and regular students averaged 75%. If 100 advanced students and
Lemur [1.5K]
Average (mean) = (sum of all the data) / (# of data)

sum of all the data = (average)(# of data)

Thus for 100 students with an average of 93,
sum of all data = (93)(100) = 9300

and for 300 students with an average of 75,
sum of all data = (75)(300) = 22500

Therefore you would expect the overall average to be
(9300 + 22500) / (100 + 300) = 79.5 %

Now if there are x # of advanced students and y # of regular students, then

x + y = 90 (total # of students) and 93x + 75y = 87(x + y) (overall average)

The second equation can be simplified to x - 2y = 0

Subtracting the two equations yields

x = 60 and y = 90

Therefore you would need 60 advanced and 30 regular students.
7 0
3 years ago
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Tpy6a [65]
I think it should be 42
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3 years ago
Stan drove for h hours at a constant rate of r miles per hour. How many miles did he cover during the final 20 minutes of his dr
valentinak56 [21]

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6 0
3 years ago
Read 2 more answers
Sum of 2x 2 + 3x - 4, 8 - 3x, and -5x 2 + 2.
Salsk061 [2.6K]
 (2x²<span> + 3x - 4) +  (8 - 3x) + (-5x</span>²<span> + 2)

= </span> 2x² + 3x - 4 +  8 - 3x - 5x² + 2

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5 0
3 years ago
Simplify:9-1÷2÷27^2÷3​
sammy [17]

<u>First let's calculate the exponents.</u>

27^2 : 729 = 9-1\div \:2\div \:729\div \:3

<u>Now we should multiply and divide.</u>

<u />1\div2\div729\div3:\frac{1}{4374} = 9-\frac{1}{4374}<u />

<u>Now we should add and subtract.</u>

<u />9-\frac{1}{4374} :\frac{39365}{4374} =  \frac{39365}{4374}<u />

<u>Convert the improper fractions into mixed numbers.</u>

<u />8\frac{4373}{4374}<u />

<u />

<u>Answer : </u>

<u />8\frac{4373}{4374}<u />

<u />

5 0
3 years ago
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