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Schach [20]
3 years ago
5

What is the equation of the line that passes through the points (−2, 1) and (1, 10)?

Mathematics
2 answers:
Anna71 [15]3 years ago
6 0
Slope = (10-1)/(1+2) = 9/3 = 3

y = mx + b
1 = 3(-2) +b
1 = -6 + b
b = 7

equation

y = 3x + 7  
or
3x - y = -7

answer is <span>3x − y = −7 (first choice)</span>
____ [38]3 years ago
5 0
The anser would be the first one  (3x - Y =  -7)
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The red blood cell counts​ (in millions of cells per​ microliter) for a population of adult males can be approximated by a norma
skad [1K]

Answer:

(a) Minimum red blood cells 5.744 million cells per micro liter

(b) Maximum red blood cells 5.068 million cells per micro liter.

Step-by-step explanation:

Z-score formula is = \frac{x-u}{Standard deviation}

Z-score = \frac{x-5.5}{0.4}

The value of z-score is 0.61 so then x will be;

x = 5.744

The minimum red blood cells count that can in top is 27% of count which is 5.744 million cells per micro liter.

Z-score = \frac{x-5.5}{0.4}

The value of z-score is 0.14 so then x will be;

x = 5.068

The maximum red blood cells count that can be in top is 14% of count which is 5.068 million cells per micro liter.

6 0
3 years ago
I need help with this please i have a test
zaharov [31]
Equation : (7x-4)+(3x-3)+(x) = 180
In the equation the sum of the internal angle in the triangle is 180 degrees. Use this equation to figure the sum of angle in any quadrilateral 180*(number of sides-2)
Solve the equation
Put all similar variable on one side
7x+3x+x-4-3=180
11x-7=180
11x=180+7
11x=187
x = 187/11
x = 17
Now find the angles by plugging in x
Angle F (7*17-4) = 115 degrees
Angle G (x) = 17 degrees
Angle E (3*17-3) = 48 degrees
If you add 115+48+17 you will get a sum of 180 this shows your answer is right


Angle F = 115
Angle G = 17
Angle E = 48
4 0
2 years ago
SUPER SIMPLE, Please help, I will mark brainliest
insens350 [35]
Easy it is clearly A
5 0
3 years ago
How many 0.45-ounce packages of cinnamon can be made with 3.15 ounces of cinnamon?​
Ghella [55]

Answer:

7 packages of cinnamon

Step-by-step explanation:

3.15/0.45 = 7

5 0
3 years ago
Read 2 more answers
A tortoise moves forward 15 meters in one hour. It turns around and crawls 10 meters in the
schepotkina [342]

Answer:

Below.

Step-by-step explanation:

15+10+8=33.

5 0
3 years ago
Read 2 more answers
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