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Afina-wow [57]
3 years ago
11

15 points!! Please help! please explain how you got you answers

Mathematics
1 answer:
Lynna [10]3 years ago
4 0

We observe that a line will pass through 3 points, but to find a slope we only need two.

We see that it passes through points (assuming the scale of graph is 1 : 1) P_1(x_1,y_1)=P_1(0,1) and P_2(x_2,y_2)=P_2(2,-1).

We can use slope formula that applies for any line and produce the same slope for any two different points on the line

m=\dfrac{\Delta{y}}{\Delta{x}}=\dfrac{y_2-y_1}{x_2-x_1}=\dfrac{-1-1}{2-0}=-1

So the slope is -1 also it intersects y-axis at n=1 so the general form of the linear function is

f(x)=mx+n

That is in your case

\boxed{f(x)=-x+1}

Hope this helps.

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Convert 45° from degrees to radians.
leonid [27]
<h2>pi divided by four</h2>

Step-by-step explanation:

Let the angle in degrees be a

Let the angle in radians be r

If a is the angle in degrees and r is the angle in radians,

a\times \frac{\pi }{180}=r

It is given that the a=45

r=\frac{\pi}{180}\times a= \frac{\pi}{180}\times 45=\frac{\pi}{4}

So,r=\frac{\pi}{4}

6 0
3 years ago
Read 2 more answers
Janelle has 5 hours to spend training for an upcoming race. She completes her training by running full speed the distance of the
VikaD [51]

Answer:

The distance cover by him walking back is 11.25 miles

Step-by-step explanation:

Given as :

Time for Janelle to spend on training = 5 hours

The  running speed of Janelle = 9 mph

The walking back with 3 mph

Let The distance for running and walking is same i.e  D miles

SO, Time = \frac{Distance}{Speed}

∴  5 =  \frac{D}{9} +  \frac{D}{3}

Or, 5 × 9 = D + 3 D

Or, 45 = 4 D

∴   D = \frac{45}{4} = 11.25 miles

Hence The distance cover by him walking back is 11.25 miles   Answer

6 0
3 years ago
Which set represents the same relation as the graph below?
JulijaS [17]

The set that represents the same relation as the graph given is: B. (-5, 4), (-3, -2), (-1, -2), (2, 0), (3, 3), (4, 5), (6, -4).

<h3>What is a Relation?</h3>

A relation is defined as a relationship between the input and output, which can be displayed on a graph on a coordinate plane.

From the graph as shown in the image attached below,

The set that has the same coordinate points as indicated on the graph is:

B. (-5, 4), (-3, -2), (-1, -2), (2, 0), (3, 3), (4, 5), (6, -4).

Learn more about relation on:

brainly.com/question/1579288

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6 0
2 years ago
The length of a rectangle are represented by consecutive even integers. If the perimeter is 60, find the dimensions
Pachacha [2.7K]

Answer:

Length = 24 and width = 6.

Step-by-step explanation:

2L + 2W = 60 where L = length and W = width.

The length must be in the 20's to make a perimeter of 60, as there's no number in the 10's or 30's that has 2 consecutive even integers and 40 something is impossible.

The only length which fits the given conditions is 24.

Then the width would be (60 -  2(24)) / 2 =  (60 - 48) / 2

= 6.

That's the answer.

7 0
3 years ago
There are 36 boys for every 54 girls
Sonbull [250]

Answer:

2 : 3 is ur ratio

Step-by-step explanation:

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3 years ago
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