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astra-53 [7]
3 years ago
9

It costs $120 to have a party for 9 people at the skating rink. The cost includes a charge of ,$10 for each person attending the

party plus the price of a cake.
How much does the cake cost?
Mathematics
1 answer:
balandron [24]3 years ago
8 0

Answer:

The cake costs $30

Step-by-step explanation:

9(10)=90

120-90=30

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Write the equation of a line in the slope-intercept form that has a slope of 4 and contains the point (4, 12).
vekshin1

Answer:

y=4x-4

Step-by-step explanation:

Hi there!

we are given that a line has a slope of 4 and it contains the point (4, 12)

We want to write the equation of this line in slope-intercept form

Slope-intercept form is given as y=mx+b, where m is the slope and b is the y intercept

As we are already given the slope, we can immediately substitute it into the formula.

Replace m with 4 in y=mx+b:

y=4x+b

Now we need to find b

As the equation passes through the point (4, 12), we can use it to help solve for b

Substitute 4 as x and 12 as y:

12 = 4(4) + b

Multiply

12 = 16 + b

Subtract 16 from both sides

-4 = b

Substitute -4 as b

y = 4x - 4

Hope this helps!


Topic: Finding the equation of the line

See more on this topic here: brainly.com/question/27539102

7 0
2 years ago
Expand the polynomial<br> (x^(2)+xy-y^(2))(x+y)
xxTIMURxx [149]

Answer:

It's already expanded.

6 0
2 years ago
Simplify to create an equivalent expression
Keith_Richards [23]
B 33k- 15 hope it helps
5 0
3 years ago
PLEASE HELP ASAP!
scoray [572]

Answer:

AM = 900

CI = 500

I have to be honest, this is the most ridiculously worded question of this type that I have ever seen... ask you teacher, why it was so important to force you to solve it using only one variable?

Step-by-step explanation:

(AM) + (1400-AM) = 1400

2(AM) + 3(1400 - AM) = 3300

2AM + 4200 -3AM = 3300

-AM = -900

AM = 900

CI = 500

4 0
3 years ago
The side of a regular nonagon is 10m. What is the perimeter of the nonagon
MatroZZZ [7]

Answer:

90m

Step-by-step explanation:

9 sides, each is 10, do 9 times 10

4 0
3 years ago
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