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IRISSAK [1]
4 years ago
15

NEED HELP ILL GIVE BRAINLIEST

Mathematics
2 answers:
blagie [28]4 years ago
4 0
The slope of the line is 2
or
m=2

The formula for slope is: (y2-y1) / (x2-x1)

So,
(12-4) / (5-1)
8 / 4

Which reduces down to 2
lina2011 [118]4 years ago
4 0
slope = \frac{y2 - y1}{x2 - x1}
(x1,y1) = (1,4)
(x2,y2) = (5,12)

so
slope \: = \frac{12-4}{5-1}
slope = 8/4 = 2
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a teacher wants to know how much she can predict a student reading level in a given school district. the table shows the grade a
Rus_ich [418]
The correct answer for this question is this one: "B. 90.7%" The percent of variation in the reading level can be explained by changes in the grade level is <u>90.7%</u>
<span>You have to compute the coefficient of correlation and then use a formula to get the explained variation.
</span>
Hope this helps answer your question. Should you have more questions, do not hesitate to post in brainly.
These are the following choices:
<span>A. 74.7%
B. 90.7%
C. 82.4%
D. 86.6%</span>
3 0
3 years ago
If the tangent line to y = f(x) at (5, 3) passes through the point (0, 2), find f(5) and f '(5)
KATRIN_1 [288]
Since we have (5,3), f(5)=3

f'(5) is the slope of the line at x=5

we are given that the line tangent to f(x) at x=5 passes through the point (0,2)

so find the slope of that line
we know it passes through (5,3) and (0,2)
slope between (x_1,y_1) and (x_2,y_2) is
\frac{y_1-y_2}{x_1-x_2}
slope between (5,3) and (0,2) is [/tex]\frac{3-2}{5-0}=\frac{1}{5}[/tex]



f(5)=3
f'(5)=\frac{1}{5}
5 0
3 years ago
If 150g o sugar is used for 5 cakes, how much is used for 7 cakes?
Tju [1.3M]
150 g - 5 cakes
x g - 7 cakes

                       I have   2 ways 2 solve this   THE ANWSER IS  210
Well, if 150 grams is used for 5 cakes, we can divide that.
150/5=30. 30 grams of sugar are used for each cake
You want to know how many grams for 7 cakes
30x7=<u><em>210 grams of sugar are used for seven cakes.
</em></u><span>Hope this helps! 
   and ...
</span>
3 0
3 years ago
What is 9 1/9 - 5/6?
Triss [41]

Answer:

149/18

Step-by-step explanation:

convert mixed number into a improper fraction then subtract..

7 0
4 years ago
Read 2 more answers
NEED HELP FOR TEST!!!
3241004551 [841]
The inequality is
The maximum number of days that Diego's father can drive the car without the warning light coming on is 20 days
Step-by-step explanation:
14 gallons-1.5 gallons=12.5 gallons
we know that
If the remaining fuel is greater than 1.5 gallons Diego's father can drive the car without the warning light coming on
so
Let
x ----> the number of days
----> inequality that represent the situation
Solve for x


The maximum number of days that Diego's father can drive the car without the warning light coming on is 20 days
7 0
3 years ago
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