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valentina_108 [34]
2 years ago
5

Who ever gets this question right is BRAINLIEST. Answer For 15 Points

Mathematics
1 answer:
stich3 [128]2 years ago
8 0

Answer:

ITS C:D pls give brainliest

Step-by-step explanation:

add all it equals C, 16.25

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-5x-10=10 solve for x
BaLLatris [955]

Answer:

x = -4

Step-by-step explanation:

-5x-10=10

Add 10 to each side

-5x-10+10=10+10

-5x = 20

Divide each side by -5

-5x/-5 = 20/-5

x = -4

7 0
3 years ago
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What is the value of x when the Richter scale rating is 7.9 round your answer to the nearest
Oksi-84 [34.3K]
If no base is stated, then assume base 10
log(x)=log_{10}(x)
rememer
a=log_b(c) translates to b^a=c


so
r=log(x) or
r=log_{10}(x) translates to 10^r=x

so when r=7.9, what is x
10^r=x
10^{7.9}=x
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round to nearest ???
thousanth? 79432823.472=x
hundreth? 79432823.47=x
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4 0
3 years ago
A cup of coffee has approximately 310 mg of caffeine. Each hour, the caffeine in your system decreases by about 35%. How much ca
Alex787 [66]

Answer:

∴35.97 mg caffeine would be left in the system after 5 hours.

Step-by-step explanation:

Given that,

A cup of coffee has approximately 310 mg of caffeine.

Caffeine decrease at a rate 35% per hour.

Exponential Function:

y(t)=y_0(1-r)^t

y(t)= Amount caffeine after t hours

y_0= Initial amount of caffeine

r= rate of decrease

t = Time in hour.

Here y(t)=?, y_0 = 310 mg, r=35%=0.35, t= 5 hours

y(t)=310(1-0.35)^5

      =35.97 mg

∴35.97 mg caffeine would be left in the system after 5 hours.

3 0
3 years ago
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jarptica [38.1K]

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Step-by-step explanation:

If the two sides equal 30 then you just divide that by 2 and get your answer 15

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3 years ago
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Find the L.CM of 36,60,126​
Ivahew [28]

Answer:

1260

hope this helps

have a good day :)

Step-by-step explanation:

8 0
2 years ago
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