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3 years ago

14

The histogram shows the numbers of concerts choir students at a school have performed in. How many choir students have performed

in at least 3 concerts?

1 answer:

sladkih [1.3K]3 years ago

6 0

Don’t click the links !! Don’t trust it !

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Assume that 2 cards are drawn from a standard 52-card deck. Find the following probabilities.

topjm [15]

Answer:

Step-by-step explanation:

WITHOUT replacement of first card drawn:

P(a 10 is drawn) = 13/52 = 1/4

P(the next draw is a 10) = 12/52 = 3/13

P(drawing two 10s without replacement of the first draw) = (1/4)(3/13) = 3/52

WITH replacement of first card:

P(two 10s are drawn) = P(first card is a 10)*P(first card is a 10) = (4/13)(4/13) =

16/169

7 0

3 years ago

Jon earns $180 per week for each sale. Write an inequality to represents how many sales he needs to make to earn at least $500.

Elenna [48]

The answer is 420 :)

7 0

2 years ago

What is the volume of a pyramid<br> 4 cm,4 cm by 12 cm

Alenkinab [10]

<u>Answer: </u>

The volume of pyramid with dimensions 4cm , 4cm by 12cm is $\bold{64 \mathrm{cm}^{3}}$

<u>Solution: </u>

Volume of a pyramid can be found out by using the below formula,

$\bold{v = \frac{1}{3} l w h}$

where,

v is the volume of pyramid

l is the length of pyramid

w is the width of pyramid

h is the height of pyramid

from question, given that l = 4 ; w = 4; h = 12

hence the volume of pyramid for the given dimensions is

$v = \frac{1}{3} \times 4 \times 4 \times 12$

$= 4 \times 4 \times 4$

$= 64 \mathrm{cm}^{3}$

So the volume of pyramid is $\bold{64 \mathrm{cm}^{3}}$

3 0

3 years ago

I NEED HELP! with these 5, & 7?

pochemuha

Answer:

5 is -20

7 is -5

3 0

2 years ago

Read 2 more answers

patty is building a rope ladder for a tree house. she need two 5-foot pieces of rope the sides of the ladder.she needs 7 pieces

klio [65]

The answer is 136 because 7 x 18 is 126 then + 10 is 136

5 0

3 years ago