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4 years ago

Simply the expression?

Mathematics

2 answers:

Juliette [100K]4 years ago

6 0

It equals 2(x+1) blah blah blah

trasher [3.6K]4 years ago

4 0

Remember the distributive property
a(b+c)=ab+ac
so
2(x+2)=2(x)+2(2)=2x+4

2(x+2)-2=2x+4-2=2x+2

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Olenka [21]

Answer:

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2 years ago

What is the standard form equation of the line shown below? Graph of a line going through negative 1, 5 and 2, 4

just olya [345]

Answer:

x+3y=14

Step-by-step explanation:

Standard form for an equation of a line is ax+by=c . Some books have restrictions on a,b, and c.

So first thing I'm going to do is state the equation I'm going to use to get there.

I'm going to use the point-slope form because we are given a point (2 really) and we can find the slope using two points (we have).

Line up points and subtract. You will then put second difference over the first difference. This will give you the slope. You could just use (y2-y1)/(x2-x1).

( -1 , 5)

-( 2, 4)

-----------

-3 1

So the slope is 1/-3 or -1/3 .

So the equation in point-slope form, y-y1=m(x-x1), is y-4=-1/3 (x-2) .

y-4=-1/3 (x-2)

First step: I'm going to get rid of the fraction by multiplying both sides by 3.

3y-12=-1(x-2)

Second step: Distribute

3y-12=-x+2

Third step: add x on both sidfes

x+3y-12=2

Fourth step: add 12 on both sides

x+3y=14.

3 0

3 years ago

Haley and tyler are on the cross country team. tyler can run 1 mile (ata constant speed) in 8 minutes and 20 seconds. haley's di

Tems11 [23]

Haler ran farther than Tyler in 10 minutes. She covered an extra 0.05 miles compared to Tyler.

<h3>What is an equation?</h3>

An equation is an expression that shows the relationship between two numbers and variables.

An independent variable is a variable that does not depend on any other variable for its value whereas a dependent variable is a variable that depend on any other variable for its value.

Tyler can run 1 mile in 8 minutes and 20 seconds.

Time taken = 8 mins + 20 sec (0.33 min) = 8.33 minutes

Speed = distance / time = 1 mile / 8.33 = 0.12 mile per min

In 10 minutes, distance = 0.12 mile per min * 10 min = 1.2 mile

Haler is given by:

y = 8x; where y is time and x is distance.

In 10 minutes, distance = y/8 = 10/8 = 1.25 miles

Haler ran farther than Tyler in 10 minutes. She covered an extra 0.05 miles compared to Tyler.

Find out more on equation at: brainly.com/question/2972832

#SPJ1

7 0

2 years ago