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3 years ago

Dora is thinking of a number between 500 and 600

Mathematics

1 answer:

wariber [46]3 years ago

7 0

9514 1404 393

Answer:

500 ÷ 8 = 62 r 4, for example

Step-by-step explanation:

In order to have a remainder of 4, the divisor must be greater than 4, so could be any of 5, 6, 7, 8, 9.

The corresponding numbers could be any of ...

504 +5n . . . 0 ≤ n ≤ 19

502 +6n . . . 0 ≤ n ≤ 16

501 +7n . . . 0 ≤ n ≤ 14

500 +8n . . . 0 ≤ n ≤ 12

508 +9n . . . 0 ≤ n ≤ 10

For example, with the divisor being 6, and n=13, the number could be ...

580 = 6·96 + 4

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A sequence of 7 numbers starts with 8. The second number in the sequence is unknown and may be positive or negative. The third t

scoray [572]

Answer:

Explanation:

$a_1=8,a_7=0$

Since the third term is the sum of the two previous terms

$a_3=a_2+a_1$

$a_7=a_6+a_5$

$a_7=a_5+a_4+a_4+a_3$

Continuing in like manner

$a_7=5a_3+3a_2$

Since $a_3=a_2+a_1$

$a_7=5(a_2+a_1+3a_2$

$a_7=5a_2+5a_1+3a_2$

$a_7=8a_2+5a_1$

Recall: $a_1=8,a_7=0$

$0=8a_2+5*8$

$8a_2=-40$

$a_2=-5$

The sequence is therefore:

8,-5,3,-2,1,-1,0

The sum of the seven numbers is 4.

8 0

3 years ago

Find the quotient 5/18 divided by 2/6

Gnesinka [82]

5/18 diveded by 2/6 is 5/18*6/2 then its 5/18 * 3 which gives 15/18 or 5/6

7 0

3 years ago

Which is one way to check 102÷6 = 17? A) 105÷10 = 10 .5 B) 17÷6 = 102 C) 100÷5 = 20 D) 100×5 = 500

Karolina [17]

Was there a typo in the possible answers by any chance? B is closest to the possible answer, but only if the division sign was a multiplication sign.
102 <span>÷ 6 = 17
102 </span><span>÷ 17 = 6
17 x 6 = 102
6 x 17 = 102</span>

8 0

3 years ago

A successful basketball player has a height of 6 feet 9 inches, or 206 cm. Based on statistics from a data set, his height con

Sphinxa [80]

Answer:

The player's height is 4.45 standard deviations above the mean.

Step-by-step explanation:

Z-score:

Measures how many standard deviations a measure X is above or below the mean.

His height converts to the z score of 4.45.

This means that:

The player's height is 4.45 standard deviations above the mean.

8 0

2 years ago

In the previous lesson, you created SMART goals for yourself to extend from the start of the semester to the end of the semester

Aleks [24]

Answer:

Improve your growth attitude, be more proactive, learn to understand yourself, be persistent despite hurdles, learn to accept your limits, learn how to make successful decisions, practice thankfulness, and stay open-minded to new opportunities are some of the ways that SMART goals can assist you.

Step-by-step explanation:

I've done this before :)

8 0

2 years ago

Read 2 more answers