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3 years ago

14

your local radio station is having their yearly MP3 player and concert giveaway. For one minute every 5th caller will win an MP3

player and every 7th caller. will win concert tickets. You were just the first caller to win both an MP3 player and concert tickets! What number were you?

2 answers:

V125BC [204]3 years ago

8 0

You are the 35th caller
7x5=35, with that being 35 you cannot be the 6th because you are still going to be 1 short and 1 more. So multiply then to get your answer 35

Ivahew [28]3 years ago

3 0

You were the 35th caller, 5 and 7 have a product of 35

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Find the value of the expression 2x3 + 3y2 − 17 when x = 3 and y = 4. A)26 B)85 C)943 D)1,927

Alborosie

Ok so assumin by 2x3 you mean 2x^3 or 2 times x cubed

PEMDAS
parenthasees
exponentes
multiply
divide
add
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exponents

we have
2(3)^3+3(4)^2-17
exonents
3^3=27
4^2=16

now we have
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3 times 16=48

now we have
54+48-17
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answer is 85

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The lateral surface area of cone A is exactly 1/2 the lateral surface area of cylinder B. Cone A radius is r and height h - Cyli

Mrac [35]

The ratio of the <em>lateral surface</em> area of cone A to the <em>lateral surface</em> area of cylinder B is equal to $r = \frac{1}{2}\cdot \frac{\sqrt{r^{2}+h^{2}}}{h}$ . (Correct choice: False)

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In accordance with <em>space</em> geometry, the <em>lateral</em> areas of the cone and cylinder are described by the following equations:

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If we divide (2) by (1), then we have the following ratio:

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The ratio of the <em>lateral surface</em> area of cone A to the <em>lateral surface</em> area of cylinder B is equal to $r = \frac{1}{2}\cdot \frac{\sqrt{r^{2}+h^{2}}}{h}$ . (Correct choice: False)

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AleksandrR [38]

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Read 2 more answers

A company is looking to fill its Board of Directors position. 3 positions will be for men, 2

ycow [4]

Answer:

1764 ways

Step-by-step explanation:

Given:

Men = 9

Women = 7

Required Men: 3

Required Women: 2

'

Required

Total Possible Outcome

The total possible outcome can be determine as follows;

Total = (Selection of Men) and (Selection of Women)

Calculating Selection of Men;

Let n represent total number of men; This implies that n = 9;

Let r represent number of men to select; This implies that r = 3;

The selection can be done in the following ways;

$Male = nCr$

Where $nCr = \frac{n!}{r!(n-r)!}$

$Male = 9C3$

$Male = \frac{9!}{3!(9-3)!}$

$Male = \frac{9!}{3!(6)!}$

$Male = \frac{9 * 8 * 7 * 6!}{3!6!}$

$Male = \frac{9 * 8 * 7}{3!}$

$Male = \frac{9 * 8 * 7}{3*2*1}$

$Male = 84 ways$

Calculating Selection of Women;

Let n represent total number of men; This implies that n = 7;

Let r represent number of men to select; This implies that r = 2;

The selection can be done in the following ways;

$Female = nCr$

Where $nCr = \frac{n!}{r!(n-r)!}$

$Female = 7C2$

$Female = \frac{7!}{2!(7-2)!}}$

$Female = \frac{7!}{2!(5)!}$

$Female = \frac{7 * 6 * 5!}{2!5!}$

$Female = \frac{7 * 6}{2!}$

$Female = \frac{42}{2*1}$

$Female = 21 ways$

Recall that

Total = (Selection of Men) and (Selection of Women)

Hence,

$Total = 84 * 21$

$Total = 1764 ways$

4 0

3 years ago