3 years ago

2) If Jenny wants to make 80 cups of punch, how many cups of each ingredient will she need?

Mathematics

1 answer:

Lady_Fox [76]3 years ago

5 0

Well we would know if you told us the ingridients

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Paladinen [302]

The answer is 13 cause a squared plus b squared is c squared

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3 years ago

How many solutions does the equation have? 0=3x^2-5x-5

ratelena [41]

Answer:

2 real solutions

Step-by-step explanation:

Since the degree of the polynomial is 2, then there are 2 solutions for the equation, but we don't know if they are both complex or both real.

Since the discriminant is $b^2-4ac=(-5)^2-4(3)(-5)=25+60=85 > 0$ , then there are 2 real solutions.

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It will be 8500(1+.01)^5

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3 years ago

Solve the simultaneous equations.

Vera_Pavlovna [14]

Answer:

x = 1.5 ; y = -0.5

Step-by-step explanation:

2x + 4y = 1 ---------------------(i)

3x - 5y =7 ----------------------(ii)

(i) * 5 10x + 20y = 5

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2*1.5 + 4y = 1

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4y = 1-3

4y = -2

y = -2/4 = -1/2

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3 years ago