2 years ago

Someone explain this step by step to me 1/2(c-8)=

Mathematics

1 answer:

polet [3.4K]2 years ago

4 0

Answer: c/2-4

Step-by-step explanation:

This is what I get :

1/2(c-8)

Distributed property

1/2(c) + 1/2(-8)

Do c and -8 as a fraction with denominator 1 solve across

1/2×c/1+1/2×-8/1

Here you can only divide -8by 2

C/2-8/2

To get -4

C/2-4

You can't go further

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2 years ago

A card was selected at random from a standard deck of cards. The suit of the card was recorded, and then the card was put back i

cupoosta [38]

The relative frequency of selecting a diamond from 40 trials of selecting a random card is 30%.

<h3>What is relative frequency?</h3>

The relative frequency of an event is the ratio of total number of favorable or desired outcome to the total number of trails done.

Given information-

The card is selected random from the deck of cards.

Total number of trails is 40.

It is known that the total number of diamond card in a standard deck of card is 11. There is total 40 trials is done in which a random card is selected.

As the relative frequency is the ratio of total number of diamonds to the total number of trials done. Thus,

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In the percentage from,

$f_r={0.3}\times100\\f_r=30$

Thus the relative frequency of selecting a diamond from 40 trials of selecting a random card is 30%.

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2 years ago

Ms. Pacheco, Mr. Edwards, and Mr. Richards are three math teachers at Turner Middle School. Ms. Pacheco is three years older tha

mina [271]

Ms. Pacheco = P
Mr. Richards = R
Mr. Edwards = E
P = R + 3
E = 2R
R + E = 81
81 = R + 2R
81 = 3R
81 ÷ 3 = R
R = 27
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3 years ago

I will give branliest to the first person to answer!

lara31 [8.8K]

Answer:

1: 10x-5

2: 6.5w-3y

3: 15+3n

4: not sure