2 years ago

Seven pounds of grapes cost $10.43. How much would 4 pounds cost?

Mathematics

1 answer:

Lady_Fox [76]2 years ago

3 0

Answer:

5.96

Step-by-step explanation:

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In a statistics class of 13 sophomores, 12 juniors, and 8 seniors, 5 of whom are male sophomores, 6 of whom are female juniors,

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Answer:

$\frac{20}{33}$

Step-by-step explanation:

We are given that

Sophomores=13

Juniors=12

Seniors=8

Male sophomores=5

Female sophomores=6

Male seniors=4

We have to find the probability of randomly selecting a junior or a senior.

Total persons=13+12+8=33

Let A=Seniors

B=Juniors

Probability,P(E)= $\frac{number\;of\;favorable\;cases}{total\;number\;of cases}$

Using the formula of probability

$P(A)=\frac{8}{33}$

$P(B)=\frac{12}{33}$

$A\cap B=0$

$P(A\cap B)=0$

$P(A\cup B)=P(A)+P(B)-P(A\cap B)$

$P(A\cup B)=\frac{8}{33}+\frac{12}{33}$

$P(A\cup B)=\frac{8+12}{33}=\frac{20}{33}$

Hence, the probability of selecting a junior or senior= $\frac{20}{33}$

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2 years ago

Which graph represents the function f(x) = (x – 3)2?

hjlf

Answer:

C) The third graph.

Step-by-step explanation:

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60 hours

Step-by-step explanation:

I multiplied 8.50 by 60 and got 510

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3 years ago

Complete the square to rewrite the equation in the form (x−h)2=p.

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second option

Step-by-step explanation:

Given

x² - 6x - 33 = 0 ( add 33 to both sides )

x² - 6x = 33

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add ( half the coefficient of the x- term )² to both sides

x² + 2(- 3)x + 9 = 33 + 9

(x - 3)² = 42 → second option

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3 years ago

Seven pounds of grapes cost $10.43. How much would 4 pounds cost?​

Seven pounds of grapes cost $10.43. How much would 4 pounds cost?