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4 years ago

Mr. Marvi's Class is fund-raising for a field trip that costs $1254. The school is

Mathematics

2 answers:

RUDIKE [14]4 years ago

5 0

Answer:

idek but I'll try solving it I'm hyu when I'm done

Oksana_A [137]4 years ago

3 0

Answer:

1.50x + 375 = 1254

x = 586

So the class has 28 students and ideally they should all sell a certain amount equally.

so, 586/28 = 20.93 = 21

So in average every student would have to sell 21 bags of cookies

extra:

Just do a new equation

1.5x - 0.20x = 879$

1.3x = 879

x = 676.15 = 676

So they have to sell 676 bags of cookies to cover for the cost of the cookies and for the trip.

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3 years ago

Which situation can be modeled by a linear function?

horrorfan [7]

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3 years ago

Sally works at a store.

Serhud [2]

Answer: Y $\geq$ $\frac{1}{2}$ x+ 20

Y $\leq$ $\frac{2}{3}$ x+ 80

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Step-by-step explanation:

4 0

3 years ago

In how many ways can a committee of four be chosen from five married couples if a husband and wife cannot both be selected?

Neko [114]

One of the approaches:

Each couple can send only one "representative" to the committee. Let's see in how many ways we can choose 3 couples (as there should be 3 members) out of 4 to send only one "representatives" to the committee: 4C3=4.

But each of these 3 couples can send two persons (husband or wife): 2*2*2=2^3=8.

Total # of ways: 4C3*2^3=32.

hope it helped a bit

3 0

3 years ago