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anyanavicka [17]
2 years ago
12

If anyone knows pls answer​

Mathematics
2 answers:
anyanavicka [17]2 years ago
7 0
Answer:

n = 1

Step-by-step explanation:

4^n + 2 + 4^n = 68

4^1 + 2 + 4^1 = 68

4^3 + 4^1 = 68

64 + 4 = 68

68 = 68

svetlana [45]2 years ago
4 0

Answer:

1

Step-by-step explanation:

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Help urgent plz!❤️❤️❤️Please please urgently
sleet_krkn [62]

Answer:

Problem 2): \left \{x\, |\,0\leq x\leq 240\,\,\right \}

which agrees with answer C listed.

Problem 3) :  D = (-3, 6]  and R = [-5, 7]

which agrees with answer D listed

Step-by-step explanation:

Problem 2)

The Domain is the set of real numbers in which the function (given by a graph in this case) is defined. We see from the graph that the line is defined for all x values between 0 and 240. Such set, expressed in "set builder notation" is:

\left \{x\, |\,0\leq x\leq 240\,\right \}

Problem 3)

notice that the function contains information on the end points to specify which end-point should be included and which one should not. The one on the left (for x = -3 is an open dot, indicating that it should not be included in the function's definition, therefor the Domain starts at values of x strictly larger than -3. So we use the "parenthesis" delimiter in the interval notation for this end-point. On the other hand, the end point on the right is a solid dot, indicating that it should be included in the function's definition, then we use the "square bracket notation for that end-point when writing the Domain set in interval notation:

Domain = (-3, 6]

For the Range (the set of all those y-values connected to points in the Domain) we use the interval notation form:

Range = [-5, 7]

since there minimum y-value observed for the function is at -5 , and the maximum is at 7, with a continuum in between.

6 0
3 years ago
What monthly payment for a car lease is $300 for 24 months. The down payment is 1000. The residual value is $9000. What is the t
-BARSIC- [3]
Monthly payment - $7,200

Down payment - $1,000

Residual value - $9,000

Total cost of the lease - 17,200
6 0
3 years ago
If the starting time is 7:43 and the elapsed time is 36 minutes then what time what is the ending time
Annette [7]

Answer:

8:19

Step-by-step explanation:

It is 17 minutes until 8:00.  36 - 17 = 19 minutes left.

8:00 + 19 minutes = 8:19

6 0
3 years ago
Read 2 more answers
I need help with this.
alekssr [168]

Answer:

x=7

Step-by-step explanation:

8 0
2 years ago
4. Find the circumference of the circ All changes saved
Nat2105 [25]

Answer:

A. 62.8 in.

Step-by-step explanation:

Circumference of a circle = πd

Diameter (d) = 20 in.

Substitute

Circumference = π × 20

Circumference = 62.8318531

Circumference = 62.8 in. (Approximated to nearest tenth)

4 0
3 years ago
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