3 years ago

I NEED A DETAILED EXPLANATION OF HOW TO SOLVE THIS PLEASE OR JUST THE FORMULA

Mathematics

1 answer:

kumpel [21]3 years ago

5 0

Answer:

i need pointsssssssssss

Step-by-step explanation:

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A library is having a book sale to raise money. Hard cover books cost $4 each and paperback books cost $2 each. A person spends

Crank

I don't really know how to explain, but I will give you the straight up answer

5 HARDCOVER BOOKS (would total up to $20)
3 paperback books (would total up to $6)

4 0

4 years ago

30 = -5(6b+6) Please help

Serga [27]

Answer:

$\huge\underline{\red{A}\blue{n}\pink{s}\purple{w}\orange{e}\green{r} -}$

$30 = - 5(6b + 6)$

let's simplify the parenthesis first ~

$30 = - 30b - 30$

now , bring the like terms at one side of the equation !

$- 30b = 30 + 30$

$- 30b = 60$

dividing both sides of the equation by 30 ,

$\\ \frac{ - \cancel{30}b}{\cancel{30}} = \cancel\frac{60}{30} \\$

$\dashrightarrow \: - b = 2 \\ \\ \dashrightarrow \: b = - 2$

hope helpful :)

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3 years ago

Read 2 more answers

Determine a relationship between the x- and y- values. write an equation.

Roman55 [17]

The relationship here between the x and y values can be seen in an equation, y=x+3, since every y value is three more than its corresponding x-value.

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3 years ago

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You have to pick a marble twice. Explain what you must do to make the picking of the marbles independent of one another.

Serggg [28]

Answer:

You make it independent by putting it back.

Step-by-step explanation:

Independent probability is when picking something and then it does not affect the probability of the next pick

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3 years ago

Last year, a lighting supplier called Bright Idea shipped a total of 37,220 lamps to its distributors. This year, the supplier s

fredd [130]

Answer:

25%

Step-by-step explanation:

Given data

Last years shipment= 37220 lamps

These years shipment= 29776 lamps

% Decrease= Initial-Final/Initial*100

% Decrease= 37220-29776/29776*100

% Decrease= 7444/29776*100

% Decrease= 0.25*100

% Decrease= 25%

Hence the decrease is 25%

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3 years ago