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kipiarov [429]
3 years ago
15

Determine the value of y, if x is -2. Y=|x|-8

Mathematics
2 answers:
iogann1982 [59]3 years ago
8 0

Answer:

x= 6/-6 there are two solutions

SVETLANKA909090 [29]3 years ago
5 0

Answer:

-6

Step-by-step explanation:

When you plug it in correctly you should get -6

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4.2​% of 60 is<br> PLEASE HELP
Mandarinka [93]

Answer:

2.52

Step-by-step explanation:

4.2% of 60 = 4.2% * 60

4.2% = 0.042

0.042 * 60

2.52

3 0
3 years ago
Read 2 more answers
A family is tracking its spending habits. Over the
saw5 [17]

Answer: a) What is a good scale to use for the y axis? -20 units.

(b) What is a good interval to use for the y axis?- 20 units

Step-by-step explanation:

A family is tracking its spending habits. Over the  

past year, the grocery bill has ranged from $120 to $180.

We need to plot these points on a coordinate grid.

If we plot the grocery bills along the y-axis, and past years will be plotted along the x-axis.

So, a) Good scale to use for the y-axis will be

1 scale = 20 units

As 120  and 180 are both divisible by 20.

So, it will be a good scale to use for the y-axis.

b) Good interval to use for the y-axis:

It will be again of 20 units.

5 0
3 years ago
The number of loaves of bread purchased and the total cost of the bread in dollars can be modeled by the equation c = 3. 5b. Whi
Allisa [31]

You can use the fact that number of breads purchased cannot be negative since a customer either buys them or not and usually do not sell to the shopkeeper.(if somehow they end up selling to shop owner, then yes that will go in negative, but we'll assume it is wrong in most cases as generally shop owners are there to sell stuffs).

The third table of values matches the equation and includes only viable solutions.

<h3>What is a viable solution here?</h3>

It is talking about those solutions which are seen in real world. As stated above, a customer either buys the bread or not, thus number of breads sold will be either positive or 0(in case of no selling). Thus, we cannot have number of breads as negative.

Such solutions which are correct in the real world context here are called here as viable solutions.

<h3>Checking one by one all the tables for them being matched with table and viability</h3>

For first table, the number of breads are in negative, thus it is not going to have viable solution.

For second table, we have:

b = 0 thus c = 3.5b = 3.5 times 0 = 0 which is correctly given in second column.

b = 0.5, thus c = 3.5b = 3.5 times 0.5 =1.75 which is correctly given.

b = 1, thus c= 3.5 times 1 = 3.5 which is correctly given

b = 2001.5 thus c = 3.5 times 2001.5  = 7005.25 which is not correctly given, thus wrong.

For third table, we have:

b = 0, thus c = 3.5 \times 0 = 0, correctly given in second column.

b = 3, thus c = 3.5 \times 3 = 10.5, correctly given.

b = 6, thus c = 3.5 \times 6 = 21, correctly given.

b = 9, thus c = 3.5 \times 9 = 31.5, correctly given.

Thus, the third table of values matches the equation and includes only viable solutions.

Learn more about purchasing to cost relation here:
brainly.com/question/13727919

8 0
3 years ago
If x is directly proportional to ysquare and x=24,y=3 find the value of x when y=81​
slega [8]

Answer:

17496

Step-by-step explanation:

x=ky^2

first x = 24, y=3

24= k * 9

k = 24/9

now,

x= 24/9 * 81^2 = 17496

8 0
3 years ago
Is -7 a solution to the equation 8(1/4x+3/4)-3+17?<br> yes <br> no
Korvikt [17]
No it’s not -7 it’s = 2x + 20

i hope it helps!
3 0
3 years ago
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