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svetlana [45]
3 years ago
9

Can you help me out please

Mathematics
1 answer:
Bezzdna [24]3 years ago
7 0

3. $2 for 1 pineapple

4. 35 miles in 1 hour

5. $7 in 1 hour

6. 3 times in 1 second

7. 175 feet in 1 sec

8. 1 glass of juice contains 3 gram of sugar

9. 15 page in 1 day

10. speed of international space station is

7.7 km in 1 second

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The weight of a radioactive isotope was 96 grams at the start of an experiment. After one hour, the weight of the isotope was ha
zimovet [89]
The starting weight of the radioactive isotope = 96 grams

Weight after one hour is half of the starting weight. So the weight of the radioactive isotope after 1 hour = 48 grams

After 2 hours the weight is half as compared to the weight after previous hour. So weight after 2 hours = 24 grams.

This means, after every hour the weight is being halved. The half life of radioactive isotope is one hour.

Since after every hour, the weight is being halved, the weight of the isotope can be modeled by an exponential equation.

So,

Initial Weight = W₁ = 96
Change factor = 1/2 = 0.5

The general equation of the sequence will be:

\\  \\ W_{t}=96(0.5)^{t}

Here t represents the number of hours. Using various values of t we can find the weight of the radioactive isotope at that time.

We can plot the sequence using the above equation. The graph is attached below.

3 0
3 years ago
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a store has 30 boxes of melon each box has 4 bags each bag holde 2 melons what is the total number of melon in the store?
Zarrin [17]
180 melons

4 x 2 x 30
8 0
3 years ago
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A ladder is leaning against a vertical wall which is 5m high. The top of the ladder slides all the way down the wall so that the
Lynna [10]

Answer:

Do using Pythagoras theorem... Also before doing a question of height and distance always try to make the figure

Step-by-step explanation:

Use the two triangles ABC and ABD to first get the base and find the height of the ladder

7 0
3 years ago
Which statement compares the two numbers correctly?
Pie

Hey there! We are given two decimal numbers to compare.

52.311 and 52.31

These two numbers are similar except that 52.311 has another 1 in while 51.31 doesn't.

Keep in mind that 52.31 can also refer to 52.310

So we are comparing 52.311 and 52.310

Since 1 is greater than 0.

52.311 is greater than 52.31 (52.311 > 52.31)

Let me know if you have any questions!

Topic: Decimal Numbers

6 0
2 years ago
3. 40% of x is 35. Write an equation. Then use your equation to find x.​
MrRissso [65]

Answer: x =  87.5

................

5 0
2 years ago
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