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3 years ago

Write an equation with the slope of -3 and the y-intercept of 9.

Mathematics

2 answers:

NeTakaya3 years ago

8 0

Answer:

y=-3x+9

Step-by-step explanation:

denis23 [38]3 years ago

4 0

Answer:

Do you have more info?

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

Jason won 115 super bouncy ballsplaying horseshoes at the county fair. At

STatiana [176]

Answer:

28 students

Step-by-step explanation:

Work backwards.

First, subtract 3:

115 - 3 = 112

Then, divide by 4:

112 ÷ 4 = 28

So, there are 28 math students in his class.

7 0

3 years ago

Sue and Cath have $20 left for a cab fare home. The cab fare is $3 per mile plus a $2 fixed charge. What is the maximum number o

Sedaia [141]

Answer:

6 miles

Step-by-step explanation:

first thing you need to do is find a number under 18 that can be multiplied by 3

and 18 is the 6th number and is 18, you can add the 2 extra fixed charge to that

they can travel 6 miles

but if you're talking about a fixed charge per mile then dont use this! ^^

8 0

3 years ago

Read 2 more answers

What is the compatable number of 358

balandron [24]

The answer is about 60ish. Hope this helped. :-)

6 0

3 years ago

HELP ASAP PLEASE NO LINKS. Mike invests $33,000 with an interest rate of 5.5% compounded quarterly. After 5 years, what is the t

melamori03 [73]

($43,364.19)Rounded to the nearest cent=($43,364.20)

8 0

3 years ago