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marshall27 [118]
3 years ago
13

The function p(x)= 2x+1 determines how many pizzas need to be purchased for an after school meeting, where x is the number of st

udents at the meeting. The club leader uses r(p(x)) to find the amount of money to bring for the pizza purchase. The function r(x)=4x-3. Solve for how much money to bring when there are 9 students in the meeting.
A. 19
B. 33
C. 73
D. 84
Mathematics
2 answers:
aleksley [76]3 years ago
6 0

can you explain how you got the answer?

Yuliya22 [10]3 years ago
5 0
C)73 is the correct answer


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Use a translation rule to describe the translation of ABC that is 6 units to the right and 10 units down.​
vesna_86 [32]

Answer:

(x, y ) → (x + 6, y - 10 )

Step-by-step explanation:

6 units right is + 6 in the x- direction

10 units down is - 10 in the y- direction

the translation rule is

(x, y ) → (x + 6, y - 10 )

6 0
3 years ago
Explain to me in words how you would find the slope of this line and explain answer
Andrews [41]
Answer:
7/3

Explanation:
The slope of the line is equal to the rise/run, or in other words, the number of units the line travels upwards over the number of units the line travels to the right.

We can identify the slope using any two points on the line. Here, we can use the two points that are marked on the picture. The second point is 7 units above the first and 3 units to the right of the first, so the slope of the line is equal to 7/3.

Another way to calculate the slope of the line is the use this formula:

(y2-y1)/(x2-x1)

The first point is at the coordinate (1,-4) and second point is at the coordinate (4,3). When we plug these two coordinates into the equation, we get this:

(y2-y1)/(x2-x1)
->(3-(-4))/(4-1)

When we simply the fraction, we would get 7/3 and that would give us the slope.

I hope this helps!
7 0
3 years ago
the ratio of strawberry to banana batter is 2:3. we need 30 cups of batter total. what percent of the cake batter is banana
Dovator [93]
You first do 3 + 2, which would equal 5. Then, you would just do 3/5. 
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3 years ago
Find the LCM of k2 + 3k + 2 and 2k2 + 14k + 20.
Archy [21]

Answer:

2(k+1)(k+2)(k+5)

5 0
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Find the percentage of 1 nickel and 4 pennies
Lyrx [107]
It is equal to 9 cents
7 0
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