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vampirchik [111]
3 years ago
5

In 2000 fries were $2.00 in 2015 they were $4.50 what is the percent changes in the e cost

Mathematics
1 answer:
Digiron [165]3 years ago
5 0

Answer:

percentage decrease by 56% or negative 56%

Step-by-step explanation:

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Which is a rational number?<br> 3.<br> 4.<br> 5/5<br> 6.12
k0ka [10]

Answer:

i pretty sure one of em is 6.12

4 0
3 years ago
Element X is a radioactive isotope such that every 26 years, its mass decreases by half. Given that the initial mass of a sample
SSSSS [86.1K]

Answer:

It will take 15.029 years for element X to reach mass of 260 grams

Step-by-step explanation:

The half life period of radioactive element X is 26 years

The initial mass of radioactive element X is 260 grams

Elapsed time = half life * log (beginning amount /ending amount)/log 2

Substituting the given values, we get

Elapsed time = 26 * log (390/260)/log 2

=  15.209 years

8 0
2 years ago
2(x + 1 ) - 3(x + 5) ≥ 0
zaharov [31]

answer is x is less than or equal to -13

hope this helps:-)

3 0
3 years ago
Read 2 more answers
Almost there, then everything is set! Thanks guys
faust18 [17]

Answer:

x = 50°

Step-by-step explanation:

Step 1.

180° - 80° (because there are 180 degrees in a triangle) = 100°

Step 2.

100° ÷ 2 = 50° (because the two angles on the bottom are identical, as this is an isosceles triangle - which we know because the two sides on the left and right are both the same length, 7 units)

Step 3.

Answer: x = 50°

5 0
3 years ago
the probability of a basketball player hitting a foul shot is 1/3. how many shots would you expect her to make in 90 attempts?
Kaylis [27]
90 attempts are made and only one third are successful. Multiply the attempts by successes and you get 30 successful shots (90 x 1/3= 30).
8 0
3 years ago
Read 2 more answers
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