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Assoli18 [71]
2 years ago
9

State the domain and range of each relation.

Mathematics
1 answer:
adelina 88 [10]2 years ago
6 0

Answer:

Yes It is function.

Step-by-step explanation:

Domain= { 3,4,6 }

Range = { 5 }

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A number is decreased by seven. Then, the new number is multiplied by 3 to get an answer of -9.
erastovalidia [21]

Answer:

C: 4

Step-by-step explanation:

You call the number x. Then you do (x-7) * 3= -9.

3x-21=-9

3x=12

x=4

5 0
2 years ago
Read 2 more answers
Mohamed decided to track the number of leaves on the tree in his back yard each year. This year there were 500 leaves. Each year
makkiz [27]

Answer:

Geometric sequence

Step-by-step explanation:

According to the scenario, computation of the given data are as follows:

Leaves on tree this year (a) = 500

Rate of increase in leaves per year (r) = 40 % or 0.4

Let n be the number of years.

So we use exponential growth formula, i.e.

f(n) = a(1+r)^n

by putting the value, we get

f(n) = 500 ( 1+0.4)^n

or f(n) = 500 (1.4)^n

So, the common ration is 1.4.

Thus, it shows a geometric sequence.

6 0
3 years ago
How many millimeters are equal to one kilometer. Show your work
Dafna11 [192]

Answer:

1,000,000

Step-by-step explanation:

1mm=1e-6km

10mm=1e-5km

100mm=1e-4km

1000mm=000.1km

10000mm=0.01km

100000mm=0.1km

500000mm=0.5km

1000000mm=1km

7 0
2 years ago
What is the value of x?<br><br> sin(x+22)°=cos(2x−7)°
Snezhnost [94]
Remember that \sin(\theta) = \cos(90^\circ - \theta)

Thus, we can solve for x.
x + 22 = 90 - (2x - 7)
x + 22 = 97 - 2x
3x + 22 = 97
3x = 75
x = 25
5 0
3 years ago
On a​ map, 1 inch equals 15 miles. Two cities are 2 inches apart on the map. What is the actual distance between the​ cities?
BabaBlast [244]
Since the scale is 15 miles per inch all you need to do is multiply.
2in(15)=30
The cities are 30 miles apart.
4 0
2 years ago
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