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3 years ago

I need help filling in the blank

Mathematics

1 answer:

Rudik [331]3 years ago

6 0

The basic format for an exponential equation is y=ab^x

You know the Initial value is 16 and the decay constant is 0.5:

y=16x0.5^x

Percent increased by: 0.5/16 x 100%
=3.125%

I have attached the graph below.

Sample problem:
Scientists started with an unknown sample. They weighed 16 grams of it. They noticed soon after that the sample was decaying at the speed of 0.5 grams every year. Model an equation.

Hope I helped :)

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blagie [28]

Answer:

on the first triangle it is equal, 1.5 on the left of it is half of 3 on the right triangle, 5 on the left is half of 10 on the right triangle. so the answer is 8 becuase each side on the left is 2 times the side on the right

Step-by-step explanation:

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3 years ago

Yuri surveyed a random sample of 75 students in his school about their favorite color. Of the students surveyed, 49 chose lavend

Svetllana [295]

Answer:

A 600.

Step-by-step explanation:

(49/75) * 900

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3 years ago

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Five buses leave on a field trip .There are about 45 students per bus.About how many students are on the 5 buses.

dangina [55]

45 x 5 = 225 so 225 students altogether on 5 buses

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3 years ago

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Calculate the pay for the following day of a weekly time card given a wage of $12.50/hr.

Elenna [48]

The one day pay is $106.25 rounded to the nearest hundredth.

Step-by-step explanation:

From the table shown :

The timing shown in the morning is from 8:00 to 12:15
The number of hours worked in the morning = 4 hours 15 minutes.

It is given that, the pay is $12.5 per hour.

Therefore, the pay earned in the morning = No.of hours × pay per hour.

⇒ 4 hours × 12.5 = $50

⇒ (15 mins / 60 mins) × 12.5 = $3.125

⇒ 50+3.125

⇒ 53.125

The timing shown in the afternoon is from 8:00 to 12:15
The number of hours worked in the morning = 4 hours 15 minutes.

Therefore, the pay earned in the afternoon = No.of hours × pay per hour.

⇒ 4 hours × 12.5 = $50

⇒ (15 mins / 60 mins) × 12.5 = $3.125

⇒ 50+3.125

⇒ 53.125

The pay for 1 day = pay earned in the morning section + pay earned in the afternoon section.

⇒ 53.125 + 53.125

⇒ 106.25

∴ The one day pay is $106.25 rounded to the nearest hundredth.

7 0

3 years ago

Lelechka [254]

B is the correct answer. 3(x+1)=24

6 0

3 years ago