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posledela
3 years ago
14

Solve the system of equation

Mathematics
1 answer:
Phoenix [80]3 years ago
7 0

Answer:

plain = $10.50

pepperoni = $12.50

Step-by-step explanation:

x = pepperoni

y = plain

3x + 2y = 58.5

2x + 4y = 67

using substitution method, I multiplied the first system by -2 to get:

   -6x - 4y = -117

+   2x + 4y =  67

-4x = -50

x = $12.50

2(12.5) + 4y = 67

25 + 4y = 67

4y = 42

y = $10.50

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What is the y-intercept of f(x)=3
HACTEHA [7]

Answer:

B

Step-by-step explanation:

3 0
2 years ago
A school group wants to rent part of a bowling alley to have a party. The bowling alley costs $500 to rent, plus an additional c
Firlakuza [10]

Answer:

If there are N students, the total cost will be:

C(N) = $500 + $5*N.

And we want the amount that each student pays to be equal or less than $15.

then:

C(N)/N ≤ $15.

Then the inequality that represents this situation is:

($500 + $5*N)/N ≤ $15.

Now, let's solve this:

($500 + $5*N) ≤ $15*N

$500 ≤ $15*N - $5*N

$500 ≤ $10*N

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So the minimum number of students needed is 50.

7 0
3 years ago
0.25k+1.5-k-3.50.25k+1.5−k−3.5. please I need help who ever answers it first will become brainliest
Vilka [71]

Answer:

0.25k+1.5−k−3.5

Subtract k from 0.25k.

−0.75k+1.5−3.5

Subtract

3.5 from 1.5.

−0.75k−2

Step-by-step explanation:

5 0
3 years ago
Someone please help me quickly i will give brainlyist
scZoUnD [109]

(16,5) it should be

16 input

5 output

if you went to 5 ont he y-axis and keep going till it hits the line the x seems to be 16.

im deeply sorry if this is wrong.

4 0
3 years ago
Mary has 32 she bought 3 comic books that cost 4 each then she and her friend mowed a neighbor yard and earned 18
kifflom [539]

Answer:

38

Step-by-step explanation:

32 minus 3x4 which is 12

and you get 20

add 18

and you get 38

3 0
3 years ago
Read 2 more answers
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