1 year ago

Is 48, 45, 41, 38, 34,... an arthmetic sequence

Mathematics

1 answer:

Evgesh-ka [11]1 year ago

5 0

Answer:

Step-by-step explanation:

The change in the sequence is not consistent therefore it cannot be an arithmetic sequence.

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-1.4 -1 and 1/25 -1.25 least to greatest

never [62]

-1.4, -1.25, 1/25 is the answer

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2 years ago

Standard deviation of 300, 785, 670, 187, 760, 724

White raven [17]

STEP 1

Mean = $\frac{300+785+670+187+760+724}{6} = \frac{3426}{6}=571$

STEP 2

Subtract the mean from each data value then square the answer
$300-571=-271$ ⇒ $(-271)^{2} =73441$
$785-571=214$ ⇒ $(214)^{2}=45796$
$670-571=99$ ⇒ $(99)^{2}=9801$
$187-571=-384$ ⇒ $(-384)^{2} =147456$
$760-571=189$ ⇒ $189^{2}=35721$
$724-571=153$ ⇒ $153^{2} =23409$

STEP 3

Add the squared answers in STEP 2 then find the mean

$\frac{73441+45796+9801+147456+35721+23409}{6}= \frac{335624}{6}=55937.3$

STEP 4

Square root the answer in STEP 3
$\sqrt{55937.3} =236.5$

Standard deviation is 236.5

7 0

2 years ago

What is the constant proportionality of this problem

GaryK [48]

You did not include the problem therefore i cannot help you with this but if you could message me the problem i’d be happy too

8 0

2 years ago

Read 2 more answers

jose bought 4cards for $4each he put $20in each of the cards as a gift and mailed them to each of hi grandchildren he used 00.70

raketka [301]

He bought 4 cards for $4 so that's 16 he put 20 in each that's 80 and 70 x 4 is 1,400 so all of that in total would be 1,436, correct me if I'm wrong, and if you're too lazy to read than, the answer is 1,436

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2 years ago

Subtract.<br> (-9r - 3) - (7r - 1)<br> Submit

harina [27]

Answer:

-16r -2

Step-by-step explanation:

plz brainliest :)

do you want an explanation?

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2 years ago