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Luba_88 [7]
3 years ago
14

Which relation is a function?

Mathematics
1 answer:
Evgesh-ka [11]3 years ago
4 0
D is the answer. to find if the answer is a function, use the straight line test, this means if more than 1 domain(x) is the same move to the next answer
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Lan pays a semiannual premium of ​$650 for automobile​ insurance, a monthly premium of ​$125 for health​ insurance, and an annua
bezimeni [28]

Answer:

Monthly Expense = $270.83

Step-by-step explanation:

The semi-annual premium is paid twice a year so,

Automobile insurance premium for whole year = 650*2

= $1300

Monthly premium will be paid 12 times a year so,

Health insurance premium for whole year = 125*12 = $1500

Annual premium is only paid once a year.

So adding all the premiums will give us the total premiums for whole year.

Total amount of premium for a year = $1300+$1500+$450

= $3250

The premium amount for whole year is $3250. To find the monthly expense, we will divide it by 12.

So monthly expense is:

= 3250/12

= $270.83 ..

8 0
4 years ago
Find the domain & range, pls helpp
shutvik [7]

Answer:

Domain: 1, 6

Range: 4

Step-by-step explanation:

The Domain is the first coordinate which is x

The Range is the second coordinate which is y

5 0
3 years ago
Read 2 more answers
HELP MEEEEE PLEASEEEEE SOMEONE!!
dedylja [7]

Answer:

A

Step-by-step explanation:

the triangles share one angle and they have two equal sides

5 0
3 years ago
Find an equation of the line that (a) has the same y -intercept as the line y + 5x + 9 = 0 and (b) is parallel to the line - 3x
kap26 [50]

Equation of required line is:

y = \frac{3}{4}x-9

Step-by-step explanation:

First of all we will convert both equations in slope-intercept form

y + 5x + 9 = 0

Subtracting 5x from both sides

y+9 = 0-5x\\y+9 = -5x

Subtracting 9 from both sides

y+9-9 = -5x-9\\y = -5x-9

The y-intercept is -9.

Other equation is:

- 3x + 4y = 3

Adding 3x on both sides

-3x+3x+4y = 3x+3\\4y=3x+3

Dividing both sides by 4

\frac{4y}{4} = \frac{3x+3}{4}\\y = \frac{3}{4}x+\frac{3}{4}

As the required line has y-ntercept of line y + 5x + 9 = 0

So,

b = -9

And

The line is parallel to second line, so the slopes of both will be equal

m=\frac{3}{4}

Slope-intercept form of line is:

y=mx+b

Putting values of b and m

y = \frac{3}{4}x-9

Keywords: Equation of line, Slope-intercept form

Learn more about equation of line at:

  • brainly.com/question/12973601
  • brainly.com/question/13063819

#LearnwithBrainly

6 0
3 years ago
What is the missing number 7.3 ------ 8.1 8.5 8.9
olga2289 [7]

7.3 ------ 8.1 8.5 8.9

let us try to find the common difference here using last three terms

8.5-8.1=0.4

8.9-8.5=0.4

so it is clear that common difference is 0.4

so adding 0.4 to 7.3 will give the next term

7.3+0.4=7.7

Answer : missing number is 7.7

5 0
4 years ago
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