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STatiana [176]
3 years ago
8

An element with a mass of 810 grams decays by 29.3% per minute. To the nearest minute, how long will it be until there are 10 gr

ams of the element remaining?
Mathematics
1 answer:
lakkis [162]3 years ago
6 0

Answer:

13

Step-by-step explanation:

i got it wrong but this was the correct answer

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What are the zeros of f(x) = x(x-7)?
den301095 [7]

Answer:

c. 0 and 7

Step-by-step explanation:

3 0
3 years ago
Which set of side lengths form a right triangle?
k0ka [10]

Answer:

50, 48, 14

Step-by-step explanation:

Go through them one by one. The side lengths of a triangle should all plug in to the formula a^2 + b^2 = c^2. The longest side is always c because it is the hypotenuse. The other two sides are interchangeable.

8^2+ 14^2 should equal 17^2.

That simplifies to

64+196=289

That can't be true because the units digits add to 10 instead of 9.

The same method applies to 3, 5, and 6 but from experience I know that this already isn't an option.

For 50, 48, and 14, you can divide everything by 2, resulting in 25, 24, and 7.

576+49 should equal 625.

That is true.

For 53, 48, and 24

576+2304 should equal 2809.

That isn't true, it equals 2880.

8 0
3 years ago
Of 98 bikes 37 are mountain bikes. How many are not
tia_tia [17]

Answer:

61 bikes are not mountain bikes.

Step-by-step explanation:

To figure this out you have to simply subtract the amount of mountain bikes from the total amount of bikes.

98 - 37 = 61

Now you know that 61 of the bikes are not mountain bikes.

I hope this helped! :)

~<em>CaityConcerto</em>

3 0
3 years ago
Read 2 more answers
Solve the inequality? -4/9&gt;10w
Degger [83]

Answer:

w < -2/45

Step-by-step explanation:

To solve the inequality, solve for w.

Divide each side by 10:

-4/9 > 10w

-2/45 > w

So, the solution to the inequality is w < -2/45

4 0
2 years ago
Read 2 more answers
Vikas is the head of student council this year at his high school in London. He is responsible for planning the annual graduatio
olga nikolaevna [1]

Answer:

C = 600 + 50s

Step-by-step explanation:

Let s be the number of students that go on the trip.

Let C be the cost.

The bus costs $600 and the entry fee (for each student) costs $50.

The cost for the trip will be the sum of the cost of the bus and the ticket for every student that goes on the trip.

This implies that the total cost for the trip will be:

C = 600 + 50(s)

C = 600 + 50s

5 0
3 years ago
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