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3 years ago

you know that five pizzas will feed 20 people. how many pizzas do you need to order to feed 88 people?

Mathematics

1 answer:

uysha [10]3 years ago

5 0

5 pizzas feeding 20 people means 1 pizza to feed 4 people. 88/4=22 therefore 22 pizzas are needed to feed 88 people.

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Need help with this.

sweet [91]

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Let t as y² + 5y .

${y}^{2} + 5y = t$

Rewrite the equation :

$t - \frac{36}{t} = 0 \\$

Multiply sides by t

$t \times (t - \frac{36}{t} ) = t \times 0 \\$

${t}^{2} - 36 = 0$

Add sides 36

${t}^{2} - 36 + 36 = 0 + 36$

${t}^{2} = 36$

$t = ± \: 6$

_________________________________

So :

${y}^{2} + 5y = 6$

Subtract sides 6

${y}^{2} + 5y - 6 = 6 - 6$

${y}^{2} + 5y - 6 = 0$

$(y + 6)(y - 1) = 0$

$y = - 6 \: \: or \: \: y = 1$

##############################

${y}^{2} +5y = - 6$

$No \: \: solution$

_________________________________

Thus (( y = 1 )) and (( y = - 6 )) are the roots of the equation .

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8 0

3 years ago

Find value of x of question number F

a_sh-v [17]

Answer:

X=17

Step-by-step explanation:

AC^2=AB^2 +BC^2(PYTHAGOREAN THEORM)

100=64 +BC^2

36=BC^2

6CM=BC

AD^2=AB^2+BD^2(PYTHAGOREAN THEORM)

X^2 =64+225

X^2=289

X=17

6 0

2 years ago

a researcher creates two random samples, each with sample size of 12. he does not find a statically significant difference betwe

Gre4nikov [31]

Answer:

Step-by-step explanation:

I think this is right

3 0

3 years ago

A woman is ordering pizza for a party she can get 3 large pizzas for $26 at this rate what will 12 large pizzas cost?

BARSIC [14]

Answer:104

Step-by-step explanation: if three pizzas cost $26 and you buy 12 pizzas so 4 X 26 = 104

8 0

2 years ago

I BEG YOU TO PLEASE HELP ME !!!

miv72 [106K]

Answer:

A is the correct answer and ur welcome

4 0

3 years ago

Read 2 more answers

you know that five pizzas will feed 20 people. how many pizzas do you need to order to feed 88 people?​

you know that five pizzas will feed 20 people. how many pizzas do you need to order to feed 88 people?