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xeze [42]
3 years ago
12

Emily spent $15 on a magazine and four

Mathematics
1 answer:
LiRa [457]3 years ago
5 0

Answer:

Step-by-step explanation:

$15 a magazine.

To calculate how much each candy bar was, you must do $15-$3 = $12

In total, she spent $12 on candy bars. Therefore you must do $12/4 candy bars= $3 a candy bar.

Hope this helps

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If v = 6i + 3j, what is ||-10v||
tia_tia [17]

The values of ||-10v|| is 51.96 units

  • Complex numbers are square roots of negative numbers. They are expressions that consist of both the real and imaginary axis.

  • The general form of a complex number is expressed as z = x + iy

Given the complex number v = 6i + 3j,

10v is expressed as 10(6i + 3j)

10(6i + 3j) = 60i + 30j

Take the modulus of the complex number:

|10v|=\sqrt{60^2+30^2}\\|10v|= \sqrt{1800+900}\\|10v|= \sqrt{2700} \\|10v|=51.96units

Hence the values of ||-10v|| is 51.96 units

Learn more on the complex numbers here: brainly.com/question/10662770

6 0
3 years ago
How are the expressions 8-15 and 8-(-15)?how are they different?
zmey [24]

8 - 15 means subtract the positive number 15 from 8.

8 - 15 = 8 + (-15) = -7

8 - (-15) means subtract the negative number -15 from 8.

Subtracting a negative number is the same as adding a positive number.

8 - (-15) = 8 + 15 = 23

8 - 15 = -7, and 8 - (-15) = 23. The expressions mean different operations and have different answers.

6 0
3 years ago
George has a pair of unusually labelled dice. One die is labeled with the numbers 1, 2, 2,3, 3, and 4. The other die is labelled
DIA [1.3K]

Answer:

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Step-by-step explanation:

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I NEED THE ANSWER ASAP FOR MY TEZT PLZ HELP ME
bonufazy [111]

Step-by-step explanation:

{52, 72, 86, 105}

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How to solve inequaities?
Elza [17]

-3(-8+5m) > 5(6-3m)\qquad|\text{use distributive property}\\\\(-3)(-8)+(-3)(5m) > (5)(6)+(5)(-3m)\\\\24-15m > 30-15m\qquad|\text{add 15m to both sides}\\\\24 > 30\qquad FALSE\\\\\text{Therefore your answer:}\ \boxed{NO\ SOLUTION}\to m\in\O

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3 years ago
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