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3 years ago

Can anyone answer this question?

Mathematics

1 answer:

oee [108]3 years ago

6 0

Answer:

its 75 obviously

Step-by-step explanation:

corresponding angles

angles in a straight line

give me the brainiest

180-105=75

angles in a straight line add upto 180

corresponding angles are equal

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Which of the following equations represents the line that is graphed on the coordinate grid below

vladimir2022 [97]

Answer:

Step-by-step explanation:

the factor of x in the equation is the slope, which is the ratio y/x indicating how many units y changes, when x changes a certain amount of units.

going from the left point to the right point x changes by +3 units, and y changes by -1 unit.

so, the slope (and factor of x in the equation) is -1/3.

and the constant term in the equation is the y (axis) intercept of the line.

this is the y value, when x = 0 (intercepting the y axis).

and we see in the graph, when x = 0, the line goes through y = 2.

so, the equation has to be

y = -1/3 × x + 2

therefore, C is the right answer.

7 0

2 years ago

If (1/a)+(1/b)=10 what is the value of a+b?

Goshia [24]

B) 2/5

I think, if a and b are the same (coz then they would both equal 0.2)

3 0

3 years ago

Please answer it now in two minutes

nata0808 [166]

Answer:

$C = 28.9$

Step-by-step explanation:

Given the right angled triangle, ∆BCD, you are required to find the measure of angle C.

Apply the trigonometric ratio formula to find m < C.

Adjacent side = 7

Hypotenuse = 8

Trigonometric ratio formula to apply would be:

$cos(C) = \frac{7}{8}$

$cos(C) = 0.875$

$C = cos^{-1}(0.875)$

$C = 28.9$

(To nearest tenth)

6 0

3 years ago

Given the function f(x) = x - 4, find f(-2).

Mars2501 [29]

Answer: f(-2) = -6

Step-by-step explanation: f(-2) = -2 -4

f(-2) = -6

6 0

2 years ago

What will the length of segment I' J' be?<br>

Ymorist [56]

Answer:

5.333

Step-by-step explanation:

To find the length of dilated I' J' we need to dilate the shape.

To do this you multiply each coordinate by 8/3.

Ex: (x,y) ---> (8/3x, 8/3y)

H: (0,3) ---> (8/3*0, 8/3*3)

I: (1,1) ---> (8/3*1, 8/3*1)

J: (3,1) ---> (8/3*3, 8/3*1)

K: (2,5) ---> (8/3*2, 8/3*5)

Now we plot this. (Picture attached)

The new I' coordinate: (2.667, 2.667)

The new J' coordinate: (8, 2.667)

The new length would be 8 - 2.667 so we can find the distance between the two points.

Note we are subtracting the y coordinates and not x because x coordinates represent height and y represents length

8 - 2.667 equals 5.333

So the length of segment I' J' will be 5.333

5 0

2 years ago