3 years ago

Tom makes $249.25 in 5 days. How much does he make in 4 days?

Mathematics

1 answer:

Nataly_w [17]3 years ago

4 0

Answer:

$199.4 in four days

$49.85 in one day

Step-by-step explanation:

249.25 / 5 =49.85

49.85 x 4 = 199.4

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Plot the line for the equation on the graph. y−4=−14(x−5)

Kitty [74]

Answer:

Step-by-step explanation:

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3 years ago

Which number is irrational?<br> A. 2.9<br> B. 17<br> C.-3.1415<br> D.3/11

Masja [62]

Answer:

Answer is C

Step-by-step explanation:

-Non terminating

-Non repeating

So it's irrational. You can find out which decimal are irrational by seeing if they end or if they repeat with a number. 2.9 terminates, 17 terminates, and 3/11 (0.2727...) doesn't terminate but repeats, so they're all rational

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3 years ago

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Diane drove 576 miles in 8 hours. At the same rate, how many miles would she drive in 11 hours?

seropon [69]

Answer:

576-8 hours

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Cross multiply

=576×11=6336

6336÷8=792

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3 years ago

Don’t know how to solve these :l

xeze [42]

Answer:

452.16 cm²

Step-by-step explanation:

3.14 × 12² = 452.16 cm²

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3 years ago

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How long will it take a sample of radioactive substance to decay to half of its original amount, if it decays according to the f

crimeas [40]

Answer:

4.101 yrs

Step-by-step explanation:

Given that a sample of radioactive substance to decay has the following exponential function.

$A(t)=350e^{-0.169t}$

where t= no of years lapsed

When t=0 i.e. initially we have population as

$A(0) = 350$

When it becomes half we have

= $A(t) = 175 = 350e^{-0.169t}\\0.5= e^{-0.169t}\\$

Taking log to base e we have

$-0.169t = ln (0.5) \\t=4.101$

In approximately 4.101 years the population decays to half

5 0

3 years ago