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anzhelika [568]
3 years ago
13

Will give brainliest if u get it correct

Mathematics
2 answers:
Neporo4naja [7]3 years ago
6 0

Answer:

Blue (the first)

Step-by-step explanation:

Anettt [7]3 years ago
5 0

Answer:

Each student begins the candy hunt with 15 pieces of candy in their bag.

Step-by-step explanation:

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What is the sum of the geometric sequence −4, 24, −144, ... if there are 8 terms?
Helga [31]

Answer:

The sum of 8 geometric sequence is 959780

Step-by-step explanation:

We are given

this sequence is geometric

-4 , 24 , -144

First term is -4

so, a_1=-4

now, we can find common ratio

r=\frac{24}{-4}=-6

we can use formula

S_n=a_1(\frac{1-r^n}{1-r} )

n=8

now, we can plug values

S_8=-4(\frac{1-(-6)^{8}}{1+6} )

now, we can simplify it

and we get

S_8=959780

4 0
3 years ago
-4.8f+6.4=-8.48 what is f?​
dalvyx [7]

Answer: The answer for f= 3.1

3 0
3 years ago
If the speed of a fluid in a pipe of a Cross-sectional area 100 cm³ is 30ms, what will be it's speed in a pipe of radius 10cm co
vichka [17]

Answer:

watch oreimo..

6 0
2 years ago
Please help ASAP Plzzzz
damaskus [11]

Answer:

10,10

Step-by-step explanation:

you got this

6 0
2 years ago
Read 2 more answers
Please Help Me! It’s Math! Please!
nadezda [96]

Answer:

D. About 800 years

Step-by-step explanation:

Use the half-life equation:

A = A₀ (½)ⁿ

where A is the final amount,

A₀ is the initial amount,

and n is the number of half-lives.

0.90A₀ = A₀ (½)ⁿ

0.90 = (½)ⁿ

To solve for n, take log of both sides:

log 0.9 = n log 0.5

n = (log 0.9) / (log 0.5)

n = 0.152

It takes 0.152 half-lives.  The half-life of carbon-14 is 5730 years.

0.152 × 5730 years = 871 years

The closest answer is D.

8 0
3 years ago
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