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Bogdan [553]
3 years ago
10

N squared plus 11n plus 28

Mathematics
1 answer:
kotegsom [21]3 years ago
6 0
If by factoring (n + 7) (n + 4)
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The science club at Jersey High School is sponsoring a dance to raise money for their spring project. They will charge $4 per st
Dennis_Churaev [7]

Answer: 195

Step-by-step explanation:

Cost per student = $4

Total number who attended = n

The cost of the total of student who attended will be cost per student multiplied by the total number of students, that is

Total cos = 4n

Since, they are to pay $140 , for publicity, then the total cost becomes

T = 4n - 140

From the last statement

4n - 140 ≥ 640

4n ≥ 640 + 140

4n ≥780

n ≥ 780/4

n ≥ 195

That means at least 195 students must attend if the science club is to earn at least $ 640

6 0
2 years ago
Which angles are right? Check all that apply
Hitman42 [59]

Answer:

If I remember correctly, right angles are 90 degree angles. So the answers would be A. B. and C.

Step-by-step explanation:

If you see the little box on the angle, that means it's a 90 degree (right) angle.

5 0
3 years ago
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Factorise k(a³ + b³)-m(a³ + b³)​
Neporo4naja [7]

Answer:

this is so easy

Step-by-step explanation:

8 0
3 years ago
A board game that normally sells for $34.95 is on sale at an 18% discount. What is the sale price of the board game?
fomenos
34.95 x 18%= 6.29

34.95-6.29= 28.66

$28.66 is the sale price
6 0
3 years ago
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Use the parabola tool to graph the quadratic function f(x)=2x^2−12x+11
GenaCL600 [577]

Answer:

xtp= 4/2

for y- interception subt xTp into equation ytp = 10

6 0
1 year ago
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