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gayaneshka [121]

3 years ago

9

PLEASE HELP! Which of the following is a discrete random variable? a) length of time you play in a baseball game b) length of a

car c) volume of water in a tank d) number of candies in a box

2 answers:

wlad13 [49]3 years ago

8 0

Answer:

The answer is D: the number of candies in a box.

Step-by-step explanation:

AysviL [449]3 years ago

4 0

Answer:

D) number of candies in a box

Step-by-step explanation:

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What is the solution to the equation?

UkoKoshka [18]

$\frac{1}{3}x+\frac{1}{3}(2x-15)=3\frac{1}{2}\\\\
\frac{1}{3}x+\frac{1}{3}(2x-15)=\frac{7}{2}\ \ \ |Multiply\ by\ 6\\\\
2x+2(2x-15)=21\\\\
2x+4x-30=21\\\\
6x-30=21\ \ |Add\ 30\\\\
6x=51\ \ \ |Divide\ by\ 6\\\\
\boxed{x=\frac{51}{6}=8\frac{1}{2}}$

7 0

3 years ago

A block of concrete is 1m long, 50cm wild and 4cm thick. 1.calculate the volume of the block in cm3 .2.if 1cm has a mass of 2.7g

Nonamiya [84]

9514 1404 393

Answer:

20,000 cm³
54 kg

Step-by-step explanation:

1 m is 100 cm, so the volume is ...

V = LWH

V = (100 cm)(50 cm)(4 cm) = 20,000 cm³ . . . volume

__

The mass is ...

(20,000 cm³)(2.7 g/cm³) = 54,000 g = 54 kg

The mass of the block is 54 kg.

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3 years ago

Solve for m: m – 4.2 = 5.1

Fantom [35]

Answer:

M equals 9.3

Step-by-step explanation:

To get m alone add 4.2 to each side

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2 years ago

Lori is 6 years

Delicious77 [7]

Answer:

12:6

Step-by-step explanation:

6 times 2 because Lori is six and her cousin is twice her age (hope it helps)

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How do i graph negative square roots on a number line

DerKrebs [107]

Answer:

see below

Step-by-step explanation:

On the real number line you can't

to graph them you have to make a Cartesian plane

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