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Neko [114]
3 years ago
15

Which of the following is tge first four terms of the sequence a n=3n+5?

Mathematics
1 answer:
IgorLugansk [536]3 years ago
6 0

c

to generate the first four terms, substitute n = 1, 2, 3, 4 into the formula

a_{1} = (3 × 1) + 5 = 3 + 5 = 8

a_{2} = (3 × 2 ) + 5 = 6 + 5 = 11

a_{3} = (3 × 3) + 5 = 9 + 5 = 14

a_{4} = (3 × 4) + 5 = 12 + 5 = 17

the first four terms are 8, 11, 14, 17 → c


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DENIUS [597]

Answer:

a) 30

b) 88

c) 70

d) 16

e) 160

f) 250

Step-by-step explanation:

So the first step would be to switch the numbers around. For example A would be 15 and 50 instead of the original order of 50 and 15. You would then take the 1st number in the new arranged order (15) and multiply it by 100, then divide in that order. 1500/50 = 30.

Another example, letter B.

Step 1 - Rearrange : 22 and 25

Step 2 - Multiple by 100 =  2200

Step 3 - Divide : 2200/25 = 88

Good Luck :) Hope this helped.

5 0
2 years ago
This hyperbola is centered at theorigin. Find its equation.Foci: (-2,0) and (2,0)Vertices: (-1,0) and (1,0)
beks73 [17]

SOLUTION

From the question, the center of the hyperbola is

\begin{gathered} (h,k),\text{ which is } \\ (0,0) \end{gathered}

a is the distance between the center to vertex, which is -1 or 1, and

c is the distance between the center to foci, which is -2 or 2.

b is given as

\begin{gathered} b^2=c^2-a^2 \\ b^2=2^2-1^2 \\ b=\sqrt[]{3} \end{gathered}

But equation of a hyperbola is given as

\frac{(x-h)^2}{a^2}-\frac{(y-k)^2}{b^2}=1

Substituting the values of a, b, h and k, we have

\begin{gathered} \frac{(x-0)^2}{1^2}-\frac{(y-0)^2}{\sqrt[]{3}^2}=1 \\ \frac{x^2}{1}-\frac{y^2}{3}=1 \end{gathered}

Hence the answer is

\frac{x^2}{1}-\frac{y^2}{3}=1

5 0
1 year ago
6. RVHS sold 143 Adult and Student tickets to the
slava [35]

Answer:

57 adult tickets, 86 student tickets

7 0
2 years ago
Angle ABC is congruent to which angle?
Llana [10]

Answer:

CBA=MNP

Step-by-step explanation:

Side NP=CB

Side NM=AB

then the angles between those sides are equal

6 0
3 years ago
What is equivalent to 5-squared3
pentagon [3]

Answer: 125

Step-by-step explanation:

5^3=5*5*5=125

-5^3=(-5)*(-5)*(-5)=25*(-5)=-125

5 0
3 years ago
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