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3 years ago

61,361 rounded to the nearest hundred

2 answers:

7 0

Okay,

First let's write the number with only the hundred: 361
Following the rules of rounding, we know that 6 is greater than 5 and it will tell 3 to round up and make 361 this: 400
Your final answer should be: 61,400

yanalaym [24]3 years ago

3 0

61,400 is the answer. Since 61 is closer to 100 than 0, you round up.

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2. Which of the following are terms of the series with nth term T-3n +17? a) 80 b) 170 c)217 d) 312 e) 278 f) 3566

pishuonlain [190]

Answer:

The correct options are a,b,e and f.

Step-by-step explanation:

It is given that the nth terms of the series is defined as

$T_n=3n+17$

Subtract 17 from both the sides.

$T_n-17=3n$

Divide both sides by 3.

$\frac{T_n-17}{3}=n$

The term Tₙ is a term of given series if n is a positive integer.

(a) The given term is 80.

$n=\frac{80-17}{3}=21$

Since n is a positive integer, therefore 80 is a term of given series.

(b) The given term is 170.

$n=\frac{170-17}{3}=51$

Since n is a positive integer, therefore 170 is a term of given series.

$n=\frac{217-17}{3}=66.67$

Since n is not a positive integer, therefore 217 is a term of given series.

(d) The given term is 312.

$n=\frac{312-17}{3}=98.33$

Since n is not a positive integer, therefore 312 is a term of given series.

(e) The given term is 278.

$n=\frac{278-17}{3}=87$

Since n is a positive integer, therefore 278 is a term of given series.

(f) The given term is 3566.

$n=\frac{3566-17}{3}=1183$

Since n is a positive integer, therefore 3566 is a term of given series.

Thus, the correct options are a, b, e and f.

7 0

3 years ago

The table shows the battery life of four different mobile phones:

Pie

Answer:

A 20

Step-by-step explanation:

Given

Phone Battery Life (hours)

A 20

B 25

C 10

D 18

8.45% of the battery life of each mobile phone is used in a day by a typical user

Calculating Hours of battery life in a day for each mobile

A 20

Battery life for A = $\frac{8.45}{100}\times 20 = 1.69$ hours

B 25

Battery life for B = $\frac{8.45}{100}\times 25 = 2.11$ hours

C 10

Battery life for C = $\frac{8.45}{100}\times 10 = 0.845$ hours

D 18

Battery life for D = $\frac{8.45}{100}\times 18 = 1.52$ hours

Therefor Mobile phone A 20 uses a total of 1.69 hours of battery life in a day

4 0

3 years ago

PLEASE HELP

jek_recluse [69]

I need points bro, so imma just type this rq cuz I’m mid test thank u tho

8 0

2 years ago

Calculate the area.<br> 5 cm<br> 14cm<br> 9 cm

rjkz [21]

You have to use this equation the a=5, h=4 and b=9 and you should get the answer of 28

3 0

3 years ago

Aneli [31]

Answer:

y = 4x + -3

Step-by-step explanation:

1. Write the formula for slope y = mx + b

2. Find a point anywhere on the graph and use rise over run. Find slope by counting how many times you rise up.

3. You rose 4. The variable m is for the slope of a line so fill in the number 4. y = 4x + b

4. The variable b represents the y intercept and the y intercept is where the line crosses over the y axis. So that would be -3

5. Fill in the variable b with -3

6. Finally you would have y = 4x + -3

Hope this is right and hope this helps in the future!

4 0

2 years ago