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kramer
3 years ago
14

Write down a rule for the sequence 810,270,90,30 PLSS HELP ❤️❤️❤️❤️

Mathematics
2 answers:
Lapatulllka [165]3 years ago
8 0
810, 270, 90, 30, 10 divide by 3 each time
Galina-37 [17]3 years ago
7 0

Answer:

10(3^(5-n))

Step-by-step explanation:

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Pls only do this if yk it because i’m giving correct answer brainliest! :))
Leno4ka [110]

Answer:

x=2+\frac{1}{2}\sqrt[]{21}

or

x=2-\frac{1}{2}\sqrt{{21}

Step-by-step explanation:

4x^2-16x-26=-21

Add 21 on both sides.

4x^2-16x-26+21=-21+21

4x^2-16x-5=0

a=4

b=-16

c=-5

x=\frac{-b\frac{+}{}\sqrt[]{b^2-4ac}  }{2a}

x=\frac{-(-16)\frac{+}{}\sqrt[]{(-16)^2-4(4)(-5)}  }{2(4)}

x=\frac{16\frac{+}{}\sqrt[]{256+80}  }{8}

x=\frac{16\frac{+}{}\sqrt[]{336}  }{8}

x=\frac{16\frac{+}{}\sqrt[]{2^2*2^2*21}  }{8}

x=\frac{16\frac{+}{}2*2\sqrt[]{21}  }{8}

x=\frac{16\frac{+}{}4\sqrt[]{21}  }{8}

---------------------------------------------------------------------------

x=\frac{16}{8}+\frac{4\sqrt[]{21}}{8}

x=2+\frac{1}{2}\sqrt[]{21}

---------------------------------------------------------------------------

x=\frac{16}{8}-\frac{4\sqrt[]{21}}{8}\\x=2-\frac{1}{2}\sqrt{{21}

6 0
3 years ago
Read 2 more answers
Please help me! Please don't get it wrong ;-;
polet [3.4K]

Answer:

Its 40 degrees

Step-by-step explanation:

60+80=140

180-140=40   (a straight line is always 180 degrees)

Hope it helped

3 0
3 years ago
If you travel at a rate of 45 mph how many minutes will you will it take you to travel 1 mile
stiks02 [169]
It'd take you<span>, 1 minute and 33 secounds.
45 miles = 60 minutes
1 mile = 60/45 = 4/3 = 1.33 minutes </span>
7 0
3 years ago
What are the possible values of remainder r, when a positive integer 'a' is divided by 3​
fredd [130]

Answer:

0, 1, 2

Step-by-step explanation:

Euclid's division Lemma states that for any two positive integers ‘a’ and ‘b’ there exist two unique whole numbers ‘q’ and ‘r’ such that , a = bq + r, where 0≤ r < b.

Here, a= Dividend, b= Divisor, q= quotient and r = Remainder.

According to Euclid's division lemma a 3q+r, where 0≤r≤3 and r is an integer.

Therefore, the values of r can be 0, 1 or 2.

6 0
2 years ago
What is bigger 3/4 or 4/15?​
Tems11 [23]

Answer:

3/4 is a bigger

Step-by-step explanation:

and 4/15 is a smaller

3 0
3 years ago
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