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3 years ago

A line has slope 2/3 and y-intercept -2. Which answer is the equation of the line?

Mathematics

2 answers:

Nady [450]3 years ago

8 0

B. is the correct answer

SashulF [63]3 years ago

7 0

Answer:

the answer is b

Step-by-step explanation:

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Analyze Corey’s work to find his error. What is Corey’s mistake? He substituted 80 for x instead of y. He should have added 88.2

Anni [7]

x is the temperature and y is the number of swimmers. If there are 80 swimmers, then y = 80 instead of x = 80

This is how Corey should have solved

y = 1.505*x - 88.21

80 = 1.505*x - 88.21 <--- replace y with 80

1.505*x - 88.21 = 80

1.505*x = 80 + 88.21 <--- add 88.21 to both sides

1.505*x = 168.21

x = 168.21/1.505 <--- divide both sides by 1.505

x = 111.767

x = 111.8

If there are 80 swimmers at the pool, then the possible outside temperature is roughly 111.8 degrees F. This temperature seems awfully large, so it's possible that Corey's regression equation has limited scope; in other words, it isn't too useful if x is outside a given interval

<h2> IF YOU DONOT WANT TO READ SO MUCH THEN </h2>

PLEASE SEE THE ATTACHMENT 

4 0

3 years ago

What multiplied to -24 and adds to -10?

Reptile [31]

Answer:

6 × 4 = 25

6 + 4 = 10

hope this helps

5 0

2 years ago

Read 2 more answers

What is the equation of the following line you should scroll down to see all Answer options

lilavasa [31]

Given

Given

$\begin{gathered} points \\ (0,0)\text{ and }(15,3) \end{gathered}$ SolutionStep 1Find slope $Slope\text{ \lparen M\rparen=}\frac{y_2-y_1}{x_2-x_1}$ $\begin{gathered} x_1=0 \\ y_1=0 \\ x_2=15 \\ y_2=3 \end{gathered}$

Substitute the given points into the slope formula

$Slope(m)=\frac{3-0}{15-0}=\frac{3}{15}=\frac{1}{5}$ step 2Equation of a line $\begin{gathered} y=mx+b \\ m=\frac{1}{5} \\ x=0 \\ y=0 \\ \end{gathered}$ $\begin{gathered} 0=0(\frac{1}{3})+b \\ b=0 \end{gathered}$ Step 3 $y=\frac{1}{5}x$ The final answerOption B

6 0

1 year ago

The triangle will be dilated by a scale factor of 1.5. (a) Calculate the length of each side of the dilated image. (b) Draw the

VLD [36.1K]

To find the new sides take the original sides and multiply it by the scale factor

12 * 1.5 = 18
10 * 1.5 = 15
14 * 1.5 = 21

So the new sides are 18, 15, 21. And they correspond to the 12, 10, and 14 respectively

3 0

3 years ago

5/9 - 2/5 = and what is 1/2-1/9 =

Arada [10]

Answer: 7/45, 7/18

Step-by-step explanation:5/9 - 2/5 = 25/45 - 18/45 = 25 - 18/45 = 7/45

and 1/2 - 1/9 = 9/18 - 2/18 = 7/18

7 0

3 years ago