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1 year ago

Read these excerpts from News Articles about Bullying.

Mathematics

1 answer:

skad [1K]1 year ago

5 0

Answer:

C. Why bullying makes a person feel bad.

My brain is kinda slow today, but I'm pretty sure the best answer is C. Otherwise, it would be D.

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Jonah is going to the store to buy candles. Small candles cost $2.50 and large candles cost $7.00. He needs to buy at least 20 c

artcher [175]

The system of linear inequalities are:

$a + b \geq 20\\\\2.50a + 7b\leq 80$

Solution:

Let "a" be the number of small candles bought

Let "b" be the number of large candles bought

He needs to buy at least 20 candles

Therefore, number of small candles and number of large candles bought must be at least 20

Thus, we frame a inequality as:

$a + b \geq 20$

"at least" means greater than or equal to

Here, we used "greater or equal to" symbol because, he can buy 20 candles or more than 20 candles also

From given,

Cost of 1 small candle = $ 2.50

Cost of 1 large candle = $ 7

He can spend no more than 80 dollars

Which means, he spend maximum 80 dollars or less than 80 dollars also

So we have to use "less than or equal to" symbol

Thus, we frame a inequality as:

Number of small candles bought x Cost of 1 small candle + number of large candles bought x Cost of 1 large candle $\leq$ 80

$a \times 2.50 + b \times 7 \leq 80\\\\2.50a + 7b\leq 80$

Thus the system of linear inequalities are:

$a + b \geq 20\\\\2.50a + 7b\leq 80$

3 0

2 years ago

I need help finding functions

velikii [3]

Answer:

y= 7
y= -3
y= -4
y= -8

Step-by-step explanation:

y= -5x+1

=-5.-1+1

Now you can do this method

3 0

3 years ago

-6 (6-a) =-84 what is a

Yuri [45]

Answer: A is -8

Step-by-step explanation:

-6 times 6 = -36 then you would do -6 times -a = 6a then you would have

-36 + 6a = -84 then you would add 36 to both sides to get -48 then you would divided -48 by 6 to get -8

4 0

3 years ago

Karen is buying pens and pencils for the new school year. She wants to have no more than 25 writing utensils in all. She also wa

bezimeni [28]

For this case, the first thing we must do is define variables.
We have then:
x: number of pens
y: number of pencils
We now write the system of inequations:
$x + y \leq 25

y \geq (x - 3) ^ 2
$
The solution to the system of inequations is given by the shaded region.
Note: see attached image.

3 0

3 years ago

0.003 divided by 8.1

dusya [7]

2700 is your answer

Step-by-step explanation:

7 0

3 years ago