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Elenna [48]
2 years ago
5

What is the value of the expression below when x equals 5? 16 + 10x

Mathematics
2 answers:
belka [17]2 years ago
8 0

Answer:

66

Step-by-step explanation:

So we have the expression:

16+10x

To find the value of the expression when x is 5, substitute 5 for x:

=16+10(5)

Multiply:

=16+50\\

Add:

=66

Inessa05 [86]2 years ago
3 0

Answer:

66

Step-by-step explanation:

Plug in 5 for x

16 + 10(5)

16 + 50 = 66

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Step-by-step explanation:

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The amount y (in grams) of the radioactive isotope fermium-253 remaining after t hours is y=a(0.5)t/72, where a is the initial a
almond37 [142]

Answer:

Per hour decay of the isotope is 0.96%.

Step-by-step explanation:

Amount of radioactive element remaining after t hours is represented by

y=a(0.5)^{\frac{t}{72}}

where a = initial amount

t = duration of decay (in hours)

Amount remaining after 1 hour will be,

y=a(0.5)^{\frac{1}{72} }

y = 0.9904a

So amount of decay in one hour = a - 0.9904a

                                                      = 0.0096a gms

Percentage decay every hour = \frac{\text{Amount of decay}}{\text{Initial amount}}\times 100

                                                  = \frac{0.0096a}{a}\times 100

                                                  = 0.958 %

                                                  ≈ 0.96 %

Therefore, per hour decay of the radioactive isotope is 0.96%.

7 0
3 years ago
Which expression is equivalent
NeTakaya

Answer:

the first one

Step-by-step explanation:

7 0
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Would really appreciate the help, can't seem to figure out the answer;-;​
Dafna11 [192]

Answer:

-1*70

Step-by-step explanation:

-1*70=-71

7 0
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