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3 years ago

Can you tell me what -15 + 4 equals and the process of how you got that answer

Mathematics

1 answer:

Bogdan [553]3 years ago

4 0

-15 is 15 below o

you are adding 4 , so you are getting closer to 0

so you would actually use subtraction, 15-4 = 11

since 15 is negative, and you are adding a number smaller than 15, the answer would be negative so it would be -11

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Answer:

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Step-by-step explanation:

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3 years ago

Read 2 more answers

A department store sold 51 51 shirts one day. All short-sleeved shirts cost $14.00 $ 14.00 each and all long-sleeved shirts cost

Dmitrij [34]

Answer:

28 short-sleeved shirts were sold and 23 long-sleeved shirts were sold.

Step-by-step explanation:

We can solve this question by a system of equations.

I am going to say that:

x is the number of short-sleeved shirts sold.

y is the number of long-sleeved shirts sold.

A department store sold 51 shirts one day.

This means that $x + y = 51$

All short-sleeved shirts cost $14.00 each and all long-sleeved shirts cost $23.00 each. Total receipts for the day were $921.00.

This means that

$14x + 23y = 921$

How many of each kind of shirt were sold?

We have to solve the system of equations.

$x + y = 51$

$x = 51 - y$

--------------

$14x + 23y = 921$

$14(51 - y) + 23y = 921$

$714 - 14y + 23y = 921$

$9y = 207$

$y = \frac{207}{9}$

$y = 23$

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$x = 51 - y = 51 - 23 = 28$

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Pani-rosa [81]

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Step-by-step explanation:

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3 years ago