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Firlakuza [10]
3 years ago
11

This line has a slope of -3 and passes through the point (4, -10)

Mathematics
2 answers:
ANEK [815]3 years ago
8 0

Answer:

Step-by-step explanation:

y= mx+c

-10= -3 x 4 +c

-10= -12 +c

c= 2

then, y= -3x+2 would be the answer, if you were wanting the equation of the line.

atroni [7]3 years ago
3 0

Answer:

<h2>y+10=-3(x-4)</h2>

Step-by-step explanation:

<h3>to understand this</h3><h3>you need to know about:</h3>
  • linear equation i.g point-slope form
  • PEMDAS
<h3>given:</h3>

slope or m=-3

(x1,y1)=(4,-10)

<h3>to find:</h3>

point-slope form of linear equation

<h3>let's solve:</h3>

point-slope form of a linear equation is

<h3>y-y1=m(x-x1)</h3>

first \: step \colon \:  \\ substitute \: the \: given \: values \: of \: m \: and \: (x,y) = (4,- 10)

<h3 />

y - ( - 10) =   -  3(x - (4))

last \: step \colon \: simplify

y + 10 =  - 3(x - 4)

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88 3/5
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4 years ago
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Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
An airplane flies with a constant speed of 620 miles per hour. How long will it take to
LekaFEV [45]

Answer:

30 minutes

Step-by-step explanation:

Alright lets start by laying out what the problem gives us :

A plane flies 620 mph.

It is asking how long it will take to travel 310 miles.

We need to give our answer in minutes or hours.

So lets take mph and look at the full meaning "Miles per hour"

An hour has 60 minutes in it.

So really it is saying miles per 60 minutes as well as miles per hour

So you could say the plane is traveling 620 miles every 60 minutes.

So now lets look at the number 310.

Just looking at it I can tell you that 310 looks very close to half of 620, in fact it is exactly half!

So lets divide the 620 mph by the 310 miles it is asking and we get 2! Proving that 310 is half of 620.

Alright now lets divide both the number of miles and number of minutes :

620 miles per 60 minutes

divided by 2 both miles and minutes

310 miles per 30 minutes

So this is your answer. After this you get that it would take 30 minutes to travel 310 miles in a plane going 620 miles per hour!

I hope this helps and I could help you understand it. :)

If you have any questions feel free to comment or dm me.

7 0
2 years ago
Solve for a. √a−b+c=3 <br> a=9+b−c <br> a=3+√b−√c <br> a=3+b−c <br> a=9+√b−√c
SVETLANKA909090 [29]

Answer:

\sqrt{a} = 3 + b - c

Step-by-step explanation:

All you gotta do is subtract  - b + c from both sides then simplify.

5 0
3 years ago
Clifford is making a really big white cake for his sisters birthday. The recipe calls for 1.5 times as much flour as sugar. It a
pantera1 [17]

<u>Answer:</u>

The amount of butter, sugar and flour does Clifford need is 2.5 cups flour, 3.75 cups sugar and 1.25 butter

<u>Explanation</u>:

Consider the number of cup of flour used to be x

According to question,

Recipe calls for 1.5 times as much flour as sugar

Sugar =1.5 \times Flour

Sugar = 1.5x

Butter = ½ x = 0.5x

According to question,  

Flour + Sugar + Butter = 7.5

x + 1.5x + 0.5x = 7.5

3x = 7.5

x = 2.5

Sugar = 1.5x = 1.5(2.5) = 3.75

Butter = 0.5(2.5) = 1.25

Clifford need is 2.5 cups flour, 3.75 cups sugar and 1.25 cups butter

3 0
3 years ago
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