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3 years ago

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Fiona is serving iced tea and lemonade at a picnic. She has only 44 cups in which to serve the drinks. If x represents the numbe

r of glasses of iced tea and y represents the number of glasses of lemonade, which equation represents the number of drinks she can serve?

1 answer:

valina [46]3 years ago

8 0

X=44-y Hope this is the answer your looking for :)

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the fist one is A and the second one is D

Step-by-step explanation:

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Is 16 deductive or inductive reasoning (geometry)

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Hi! Number 16 is inductive

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3 years ago

Jorge bought 6 chicken pizza and 2 vegetable pizzas for 127.92. Martin bought 3 chicken pizza and 8 vegetable pizzas for 133.89.

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I would say to add the 2 prices together and that would be your answer!
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3 years ago

Read 2 more answers

A consumer advocacy group wants to determine whether there is a difference between the proportions of the two leading automobile

podryga [215]

Answer:

The answer is "0.3206".

Step-by-step explanation:

$H_0: p_1 = p_2\\\\H_a: p_1 \neq p_2\\\\\hat{p_1} = \frac{X_1}{N_1} = \frac{53}{400} = 0.1325\\\\\hat{p_1}= \frac{X_2}{N_2} = \frac{78}{500}= 0.156\\\\\hat{p} = \frac{(X_1 + X_2)}{(N_1 + N_2)} = \frac{(53+78)}{(400+500)} = 0.1456$

Testing statistic:

$z = \frac{(\hat{p_1}- \hat{p_2})}{\sqrt{(\hat{p} \times (1-\hat{p}) \times (\frac{1}{N_1} + \frac{1}{N_2}))}}$

$=\frac{(0.1325-0.156)}{\sqrt{(0.1456\times (1-0.1456)\times (\frac{1}{400} + \frac{1}{500}))}}\\\\ = -0.99$

Calculating the P-value Approach

$\text{P-value}= 0.3206$

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3 years ago

Solve the system: <br> 2x+6y=36<br> x+4y=20

Assoli18 [71]

<u>Let's solve this problem step-by-step</u>

<u>Let's set</u>:

2x + 6y = 36 -- equation 1

x + 4y = 20 -- equation 2

(equation 2) * 2

2x + 8y = 40 -- equation 3

(equation 3) - (equation 1)

2y = 4

y = 2 -- equation 4

Plug (equation 4)'s value of y into (equation 2)

x + 4(2) = 20

x = 20 - 8

x = 12

<u>Thus x = 12 and y = 2</u>

<u>Let's check, by substituting these values</u>

$2x + 6y = 36\\2(12)+6(2) = 36\\24+12=36\\36=36\\\\x+4y=20\\12+4(2)=20\\12+8=20\\20=20$

<u>Answer: x = 12 and y = 2</u>

Hope that helps!

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3 years ago