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vekshin1
4 years ago
13

Charlie graphs the equation y= –12x+2y= –12x+2 . Select all statements about Charlie's graph that are true. The graph is a strai

ght line. The line does not pass through the origin. The line passes through the point (0, –2)(0, –2) . The slope of the line is 1212 . The y-intercept of the line is 2.
Mathematics
2 answers:
Alexxandr [17]4 years ago
7 0
Y = -12x + 2

the graph is a straight line....TRUE
the line passes thru the points (0,-2)....FALSE
the slope of the line is -12...FALSE....the slope of the line is 12
the y int of the line is 2....TRUE
meriva4 years ago
4 0

Answer:

The correct options are 1, 2 and 5.

Step-by-step explanation:

The slope intercept form of a line is

y=mx+b               ..... (1)

where, m is slope and b is y-intercept.

Consider the given equation.

y=-12x+2               .... (2)

It is a linear function and graph of a linear function is a straight line. Option 1 is correct.

At x=0,

y=-12(0)+2=2

The line does not pass through the origin. Option 2 is correct.

The line passes through the point (0, 2). Option 3 is incorrect.

On comparing (1) and (2) we get

m=-12,b=2

The slope of the line is -12. Option 4 is incorrect.

The y-intercept of the line is 2. Option 5 is correct.

Therefore, the correct options are 1, 2 and 5.

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Andre and Elena are each saving money. Andre starts with $100 in his savings account and adds $5 per week. Elena starts with $10
stira [4]

Answer:

6 weeks

Step-by-step explanation:

You need to write an equation for each.

For Andre, he has 100 dollars, and every week gets 5 dollars more. You add the 5 dollars, and Since you don't know how many weeks it has been, use a variable.

For Elena, she has 10 dollars, and gets 20 each week.

Now that you know that it has been 4 weeks, you can plug in 4 for the variable for weeks.

Andrew:100+5(4)=100+20+120

Elena: 10+20(4)=10+80=90

Andrew has more money in this time.

To find when they have the same amount, equal their expressions to each other. This means that they will have the same amount (because they are equalled) and you can solve to find the variable, which means the weeks that they are equal at.

Bring the like terms to each side by canceling them out. Since you have positive 10, then subtract 10 to each side. You have 5w, so subtract 5w to each side.

100+5w=10+20w

90+5w=20w

90=15w

90 divided by 15=6

w=6

5 0
3 years ago
Samantha had $620 in her savings. She wanted to have at least $200 in her account after her five days in San Diego. Write an ine
Varvara68 [4.7K]

Answer:

Step-by-step explanation:

Samantha had $620 in her savings. She wanted to have at least $200 in her account after her five days in San Diego. This means that the amount that she can spend in 5 days would be her savings minus the least amount that she wants to have left. It becomes 620 - 200 = $420

If she decides to spend her spendable amount of $420 equally per day, it means that each day, she will spend 420/5 = $84

The inequality representing the amount that she can spend for each day will be

Let y = the amount that she can pend each day. Then, it will be

y lesser than or equal to 84

4 0
3 years ago
G(x) = 3x^2- 24x + 49<br> Express g in standard form.
Umnica [9.8K]

Answer:your welcome

Step-by-step explanation:

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3 years ago
na organização da festa junina da escola turma do 8º ano e gostou 14 do recurso que tinha com a comida explique 15 com a bebidas
Alex787 [66]

Answer:

1.soso

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3.sabonhsghdhdhf

5 0
3 years ago
Can someone help me factorise 14b - 7
REY [17]
Find the common denominators for 14 and 7

7 is the common denominator

factor it out

14b - 7

7(2b - 1)

7(2b - 1) is your answer

hope this helps
8 0
3 years ago
Read 2 more answers
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