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3 years ago

14

What number would you divide by to calculate the mean of 3, 4, 5, and 6?

1 answer:

serious [3.7K]3 years ago

4 0

Answer:

4

Step-by-step explanation:

Because it is the answer

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Onah bicycled 12 miles in 4 hours. What is the unit rate

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Answer:

Miles per hour

Step-by-step explanation:

And if you want to know the speed it's 3 miles per hour.

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2 years ago

Your gas tank can hold no more than 14.5 gallons of gasoline On atrip to the grocery store ,you use 1.5 gallons of gas. Write an

iVinArrow [24]

1.5 is less then or equal to x which is less then or equal to 14.5

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3 years ago

Rationalise the denominator 1/√20

Mekhanik [1.2K]

Answer:

1/10

Step-by-step explanation:

uf no me dij hi g go be h in go i

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3 years ago

Look at the sequence in the table. Which recursive formula represents the sequence shown?

nadezda [96]

Answer:

Option B $a_n=2a_n_-_1+1$

Step-by-step explanation:

we have

$a_1=5\\a_2=11\\a_3=23\\a_4=47\\a_5=95$

<u><em>Verify each recursive formula</em></u>

case A) we have

$a_n=a_n_-_1+1$

For $a_1=5$

Find the value of $a_2$

$a_2=a_1+1$

$a_2=5+1=6$

$6\neq 11$

therefore

The recursive formula A not represent the sequence shown

case B) we have

$a_n=2a_n_-_1+1$

For $a_1=5$

Find the value of $a_2$

$a_2=2a_1+1$

$a_2=2(5)+1=11$ ---> is ok

For $a_2=11$

Find the value of $a_3$

$a_3=2a_2+1$

$a_3=2(11)+1=23$ ---> is ok

For $a_3=23$

Find the value of $a_4$

$a_4=2a_3+1$

$a_4=2(23)+1=47$ ---> is ok

For $a_4=47$

Find the value of $a_5$

$a_5=2a_4+1$

$a_5=2(47)+1=95$ ---> is ok

therefore

The recursive formula B represent the sequence shown

case C) we have

$a_n=a_n_-_1+6$

For $a_1=5$

Find the value of $a_2$

$a_2=a_1+6$

$a_2=5+6=11$ ---> is ok

For $a_2=11$

Find the value of $a_3$

$a_3=a_2+6$

$a_3=11+6=17$

$17\neq 23$

therefore

The recursive formula C not represent the sequence shown

case D) we have

$a_n=2a_n_-_1-1$

For $a_1=5$

Find the value of $a_2$

$a_2=2a_1-1$

$a_2=2(5)-1=9$

$9\neq 11$

therefore

The recursive formula D not represent the sequence shown

case E) we have

$a_n=5a_n_-_1+1$

For $a_1=5$

Find the value of $a_2$

$a_2=5a_1+1$

$a_2=5(5)+1=26$

$26\neq 11$

therefore

The recursive formula D not represent the sequence shown

7 0

3 years ago

<img src="https://tex.z-dn.net/?f=3%28x%20%2B%205%29%20%5Cleqslant%203x%20%2B%2018" id="TexFormula1" title="3(x + 5) \leqslant 3

klemol [59]

$3(x+5)\leq 3x+18\\\\3x+15\leq 3x+18\\\\15\leq 18\\\\x\in\mathbb{R}$

8 0

3 years ago