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kondor19780726 [428]
3 years ago
12

PLEASE HELP!!!! 20 POINTS!!!! What best describes the following equation?

Mathematics
1 answer:
TiliK225 [7]3 years ago
5 0
It’s both a relation and a function
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Which equation could represent the following:
sineoko [7]

Answer:

n - 5  = 8

Step-by-step explanation:

5 less than a number = a number subtracted by 5

7 0
3 years ago
|x+18|=1
zepelin [54]
The absolute value, or modulus, of a number is its distance from zero, or essentially its magnitude.

The absolute value produces a positive answer.

We have this definition for the absolute value, taking into account its different values for different signs:

|x|= \left \{ {{x, \ \ \ x \ \geq \ 0} \atop {-x, \ \ \ x \ \ \textless \  \ 0}} \right.

Thus, for |x+18|=1, we split the absolute value as such:

x+18=1 and x+18=-1

We solve each case.

x=-17 and x=-19

We check these solutions.

|-17+18|=1\\|1|=1\\1=1
and
|-19+18|=1\\|-1|=1\\1=1
5 0
3 years ago
Read 2 more answers
A youth ice hockey game has 3 periods that are each 20 minutes of Colin plays 12 minutes each. Which ratio shows Collins playing
Sergeu [11.5K]
3 periods....20 minutes each.....3 * 20 = 60 total minutes playing time
colin plays 12 minutes each period...12 * 3 = 36 minutes 

Collins playing time to total playing time = 36/60 reduces to 9/15 or 9:15 or 9 to 15 <===
7 0
4 years ago
A circle has a radius that measures 10 centimeters. What is the area of the circle to the nearest tenth? Use 3.14 for pi.
tangare [24]

Radius(R)=10cm

We know,

Area of circle(A)=πr^2

=3.14×10^2

=3.14×100

=314cm^2

6 0
4 years ago
You buy a total of 25 burgers and tacos for $67.50. The burgers cost $3.50 each and the tacos cost $2.25 each. Find the number o
Ahat [919]

Answer: you bought 9 burgers and 16 tacos

Step-by-step explanation:

Let x represent the number of burgers that you bought.

Let y represent the number of tacos that you bought.

You buy a total of 25 burgers and tacos. It means that

x + y = 25

The burgers cost $3.50 each and the tacos cost $2.25 each. The total cost of the burgers and tacos that you bought is $67.50. It means that

3.5x + 2.25y = 67.5- - - - - - - - - - - - 1

Substituting x = 25 - y into 1, it becomes

3.5(25 - y) + 2.25y = 67.5

87.5 - 3.5y + 2.25y = 67.5

- 3.5y + 2.25y = 67.5 - 87.5

- 1.25y = - 20

y = - 20/ - 1.25

y = 16

x = 25 - y = 25 - 16

x = 9

5 0
3 years ago
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