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Mariulka [41]
3 years ago
5

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

Mathematics
2 answers:
RUDIKE [14]3 years ago
5 0

Answer:

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

Oksana_A [137]3 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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If f(x)=3x+2, find the following value:<br> f(4)=?
lubasha [3.4K]

Answer:

f(4)=14

Step-by-step explanation:

f(x)=3x+2

f(4)=3x+2

f(4)=3*4+2

f(4)=12+2

f(4)=14

Hope this helps!

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3 years ago
I need help please and thank you
dem82 [27]
So we see that the ratio between the two octagons is 7:1, since 28/4=7 so what we do next is multiply the values of the smaller octagon by 7. But that’s the long way. There’s actually a shortcut by multiplying the perimeter of the smaller octagon, 34, by 7. This in turn equals 238.
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alexandr1967 [171]

Answer:

The coordinates of point Q' would be (5, -6) after being translated 1 unit to the right.

Step-by-step explanation:

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3 years ago
Pls get it right it’s a test
Nady [450]

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77.98

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Step-by-step explanation:

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3 years ago
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Can someone help me with system of equations?
umka21 [38]

#1)

Answer:

x=1 and y=12

Explanation:

y=5x+7

y=2x+10

This system should use substitution because the value of y is given in terms if x.

Substitution:

5x+7=2x+10

Solve:

3x=3

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Substitute x to solve for y by plugging x into one if the original equations(doesn’t matter which one is used).

y=5x+7

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#2)

Answer:

x=-8 and y=2

Explanation:

y=2x+18

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This system also uses substitution. The value of y us already given in terms if c in the first equations, so we will substitute in the second equation.

Substitute:

9(2x+18)=-2x+2

Solve:

18x+162=-2x+2

20x=-160

x=-8

Now that we have the value if x, plug it into one of the original equations(doesn’t matter which equation) and substitute to find y.

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3 years ago
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