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ipn [44]
3 years ago
14

Help on question number 5. Please

Mathematics
1 answer:
Georgia [21]3 years ago
6 0

Answer:


Step-by-step explanation:

First you set up a porportion then times 15 ×60 divided by one hundred so it would be B

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Find the 21st term in the arithmetic sequence.<br> 3, 7, 11, 15, 19, ...
NNADVOKAT [17]

The 21st term of the given arithmetic sequence is 83. The nth term of an arithmetic sequence is applied to find the required value where n = 21.

<h3>What is the nth term of an arithmetic series?</h3>

The nth term of an arithmetic sequence is calculated by the formula

aₙ = a + (n - 1) · d

Here the first term is 'a' and the common difference is 'd'.

<h3>Calculation:</h3>

The given sequence is an arithmetic sequence.

3, 7, 11, 15, 19, ....

So, the first term in the sequence is a = 3 and the common difference between the terms of the given sequence is d = 7 - 3 = 4.

Thus, the required 21st term in the sequence is

a₂₁ = 3 + (21 - 1) × 4

⇒ a₂₁ = 3 + 20 × 4

⇒ a₂₁  = 3 + 80

∴ a₂₁  = 83

So, the 21st term in the given arithmetic sequence is 83.

Learn more about the arithmetic sequence here:

brainly.com/question/6561461

#SPJ1

5 0
1 year ago
If a window is to be 6 feet wide, how high should it be, to the nearest tenth of a foot, to be a golden rectangle
slavikrds [6]

Answer:

3.7 feet

Step-by-step explanation:

A golden rectangle is a rectangle in which the length and the width are in the ratio 1 : 1.618

If the width of the rectangle is 6, the length = 6 / 1.618 = 3.708 ft

= 3.7 (to the nearest tenth)

the tenth is the first number after the decimal place. To convert to the nearest tenth, look at the number after the tenth (the hundredth). If the number is greater or equal to 5, add 1 to the tenth figure. If this is not the case, add zero

7 0
3 years ago
Helpp!!! This is due Sunday. I don’t understand!
Darya [45]

Answer:

11, 15, 26, 41, could be an answer


6 0
4 years ago
Ms. White drives 8 miles each way, to and from her office. If she does this 5 days each week for 10 weeks, how many total miles
EastWind [94]
She will drive a total of 800 miles

8 times 2 because 8 miles each way would mean 16 miles in one day
five days a week so 16 times 5 = 80
for 10 weeks so 80 times 100 would mean a total of 800 miles
6 0
3 years ago
13. NBT.4
slava [35]
B 0.05 since the thousandth digit is higher than 5, it needs to be rounded up.
7 0
4 years ago
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