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dimaraw [331]
3 years ago
13

How do you factorise 80x +30

Mathematics
2 answers:
Hitman42 [59]3 years ago
3 0
80x+30 -30x-30 =50x You subtract 30 from each side
VladimirAG [237]3 years ago
3 0
Add 80 + 30.Then add x to your answer.
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3. Write the equation of a line that passes through the point (24, 25) and is
IceJOKER [234]

Answer:

y=-1/3x + 33

Step-by-step explanation:

You can start by writing this in point slope form and converting to slope intercept later. Since the slope of the perpendicular line is y=3x-30, this line must have a slope of -1/3. It's point slope form is therefore:

y-25=-1/3(x-24)

Now, you can convert to slope intercept by isolating y:

y=-1/3(x-24)+25

y=-1/3x+8+25

y=-1/3x+33

Hope this helps!

4 0
3 years ago
HELP NEED TO GRADUATE SO I NEED TO FINISH THIS FLVS
Mademuasel [1]
The answer is B :)

Hope this helped :)
4 0
3 years ago
Read 2 more answers
Lin's father is paying for a $40 meal. He has a 15%-off coupon for the
kap26 [50]
The subtotal of the meal is $34 because 15% of $40 is $6
4 0
2 years ago
An online shopping club has 10,000 members when it charges $7 per month for membership. For each $1 monthly
Sonja [21]

Answer:

The function that can be used in the online shopping club about its monthly revenue is:

R = -400x^{2} +7200x+70000

Step-by-step explanation:

First, we're gonna take into account the different values we have in the exercise:

  1. 10,000 members
  2. $7 per month for membership
  3. Loses of 400 members by each $1 monthly increase

How the variable x represents the price increase, we can do the formula below:

  • (10000 - 400x) * (7+x)

In this formula, we represent in the first part that by each 1 in the variable x, the total of members will be reduced in 400, in the second part, we mention that at the same time, the membership fee will be increased in the same value of x. Now we must simplify this function:

  • (10000 - 400x) * (7+x)

We operate the values:

  • 70000+10000x-2800x-400x^{2}

Solve we can:

  • 70000+7200x-400x^{2}

And organize:

  • -400x^{2} +7200x+70000

At the end, how R represents the monthly revenue received by the club, we use that variable for our formula:

  • R=-400x^{2} +7200x+70000

4 0
2 years ago
Factor as the product of two binomials.<br><br> x^2 - 4 <br><br> Thank you!!
EastWind [94]
I think the answer is (x-2 ) x ( x+2)
3 0
3 years ago
Read 2 more answers
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