1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Troyanec [42]
2 years ago
5

Can someone help me with this question: What is the 40th term of these sequences below. 13, 26, 39, 52,...... 6, 12, 18, 24,....

...
Mathematics
1 answer:
Nina [5.8K]2 years ago
8 0

Answer:520; 240

Step-by-step explanation:

a. 13, 26, 39, 52,......

a = First term = 13

d = common difference = 26 - 13 = 13

40th term = a + (n - 1)d = a + (40-1)d = a + 39d

= 13 + (39 × 13)

= 13 + 507

= 520

b. 6, 12, 18, 24,.......

a = First term = 6

d = common difference = 12 - 6 = 6

40th term = a + 39d

= 6 + 39(6)

= 6 + 234.

= 240

You might be interested in
A cat jumps 5 feet in the span of 2 seconds. Find the unit rate, in feet per second, that the cat is moving at. Express any impr
mr_godi [17]

Divide total distance by total time:

5 feet / 2 seconds = 2 and 1/2 feet per second.

3 0
2 years ago
. (6.03) Which of the following best describes the expression 6(y + 3)? (4 points) The product of two constant factors six and t
kolezko [41]
C. The product of a constant factor of six and a factor with the sum of two terms. In this case, 6 is constant, and the sum of two terms is: y+3. Since they are products, you multiple them. Therefore C would be correct.
8 0
3 years ago
64% of 75 tiles is?
noname [10]
64\% \ of \ 75=64\% \times 75= \frac{64}{100} \times 75=\frac{16}{25} \times 75=16 \times 3=48

64% of 75 tiles is 48 tiles.
8 0
3 years ago
Read 2 more answers
According to a survey, high school girls average 100 text messages daily (The Boston Globe, April 21, 2010). Assume the populati
Ghella [55]

Answer:

Step-by-step explanation:

Hello!

The variable of interest is:

X: number of daily text messages a high school girl sends.

This variable has a population standard deviation of 20 text messages.

A sample of 50 high school girls is taken.

The is no information about the variable distribution, but since the sample is large enough, n ≥ 30, you can apply the Central Limit Theorem and approximate the distribution of the sample mean to normal:

X[bar]≈N(μ;δ²/n)

This way you can use an approximation of the standard normal to calculate the asked probabilities of the sample mean of daily text messages of high school girls:

Z=(X[bar]-μ)/(δ/√n)≈ N(0;1)

a.

P(X[bar]<95) = P(Z<(95-100)/(20/√50))= P(Z<-1.77)= 0.03836

b.

P(95≤X[bar]≤105)= P(X[bar]≤105)-P(X[bar]≤95)

P(Z≤(105-100)/(20/√50))-P(Z≤(95-100)/(20/√50))= P(Z≤1.77)-P(Z≤-1.77)= 0.96164-0.03836= 0.92328

I hope you have a SUPER day!

3 0
2 years ago
Need to find A, B, and C!
gtnhenbr [62]

Answer:

Mean: 4.44 add up every number and divide it by how many there is.

Median: 3 put from least to greatest and count till the middle.

Mode: 3 because it appears the most

7 0
3 years ago
Read 2 more answers
Other questions:
  • At a price of 4.89 per pound, what is the cost 3.95 pounds of deluxe mixed nuts?
    11·2 answers
  • Select the correct answer.
    15·1 answer
  • 8. Write the quadratic formula
    6·1 answer
  • Solve and show all work: (−3)^2=
    15·1 answer
  • What is the 2 step equation -1=(5+x)6
    15·1 answer
  • A suspension bridge with weight uniformly distributed along its length has twin towers that extend 75 meters above the road surf
    9·1 answer
  • Sarah described the following situation:
    6·1 answer
  • Brainliest question please help please help me now plz
    6·1 answer
  • Determine if the two triangles are congruent. If they are, state how you know.
    9·1 answer
  • What is the circumference of 18 cm
    8·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!