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Gnom [1K]
2 years ago
6

PLS HELP I WILL DO ANYTHING!!!!

Mathematics
1 answer:
Andru [333]2 years ago
8 0
First let’s find the slope (gradient):

We pick 2 coordinates on the line. Let’s choose (2,100) and (8,400)

Gradient = (y2-y1)/(x2-x1) = (400-100)/(8-2) = 300/6 = 50

The general equation of a line is in the form y = mx + c, where m is the gradient

So we have, y = 50x + c

To find c, we replace one of the coordinates that we chose in the equation. Let’s replace (2,100)

100 = 50(2) + c
100 = 100 + c
c = 100 - 100 = 0

Therefore, the equation is y = 50x + 0 which is y = 50x
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I'LL GIVE BRAINLIEST !!! FASTER<br><br>please explain how do you get the answer !​
aliya0001 [1]

Answer:

70

Step-by-step explanation:

we have the angle of vertex in the isosceles triangle = 180-2*bottom coner= 180-65/2=50

3 angles in the equilateral triangle are equal to 60

we have 50 + 60 +h =the angle of PQR =180

h=70

7 0
3 years ago
Read 2 more answers
Will mark brainiest pls just lmk
aksik [14]

Answer:

If asking for the distance, the answer would be C.

4 0
3 years ago
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Given that answer please
neonofarm [45]

Answer:

<BCA = 44.4°

Step-by-step explanation:

Reference angle = <BCA = C

Opposite side length = x = 7 cm

Hypotenuse = y = 10 cm

Applying trigonometric ratio, we would have:

sin(C) = \frac{7}{10}

C = sin^{-1}(\frac{7}{10})

C = 44.427004

<BCA = 44.4° (to 3 SF)

5 0
3 years ago
Louie made 8.1 liters of fruit punch using only grape juice and carbonated water. He used 4.2 liters of grape juice. The equatio
seropon [69]
4.2 +c = 8.1
c = 8.1 -4.2 = 3.9 . . . . subtract 4.2 from both sides

a.) 3.9 liters . . . . . is the appropriate choice
5 0
3 years ago
Suppose that in a certain chemical process the reaction time y (hr) is related to the temperature (°F) in the chamber in which t
Svetllana [295]

Answer:

The expected change in reaction time for a 1°F increase in temperature is 4.39 hours.

The expected change in reaction time for a 8°F increase in temperature is 4.32 hours.

Step-by-step explanation:

The simple linear regression line is used to determine the changes in the dependent variables when the independent variable is changed.

The general form of the simple linear regression line is:

y=\alpha +\beta x

The simple linear regression model for the reaction time of a certain chemical process based on the temperature (°F) in the chamber in which the reaction takes place is:

y=4.40-0.01\ x

Here,

<em>y</em> = reaction time (in hours)

<em>x</em> = temperature (°F)

Compute the expected change in reaction time for a 1°F increase in temperature as follows:

y=4.40-0.01\ (1^{\text{o}})

  =4.40-0.01\\=4.39\ \text{hours}

The expected change in reaction time for a 1°F increase in temperature is 4.39 hours.

Compute the expected change in reaction time for a 8°F increase in temperature as follows:

y=4.40-0.01\ (8^{\text{o}})

  =4.40-0.08\\=4.32\ \text{hours}

The expected change in reaction time for a 8°F increase in temperature is 4.32 hours.

7 0
3 years ago
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