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gtnhenbr [62]
2 years ago
10

In a collection of 1050 flowers, 3/10 of them are red , 2/5 of them are

Mathematics
1 answer:
Rainbow [258]2 years ago
3 0

Answer:

<h3><em>315 red flowers</em></h3><h3><em>420 white flowers</em></h3><h3><em>315 yellow flowers​</em></h3>

Step-by-step explanation:

1050 flowers

3/10 of them are red=> 3/10 *1050=3*105=315 red flowers

2/5, (or 4/10),  are white =>4/10 * 1050=4*105=420 white flowers

=> 1050-(315+420)=1050-735=315 yellow flowers​

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Answer:

The equation for the amount of salary after x number of years is given by:

y = a(1+r)^x

where

a is the initial amount

x represents the number of years and

r represents the growth rate( in decimal)

As per the statement:

You begin your first day as a police officer earning $30,000/yr

⇒ a= 30,000

It is also given that you obtain a full 5% increase each year,

⇒r = 5\% = 0.05

then;

y = 30,000(1+0.05)^x    

y = 30,000(1.05)^x       ....[1]

we have to find the salary in three years.

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Simplify:

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therefore, your salary be in three years will be $34,4728.75

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2 years ago
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Person A speaks the truth 88% of the time. The probability of person B speaking the truth on an occasion that person A also spea
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we are given the probability that is 88% of  person A speaking the truth. The probability of person B speaking the truth on an occasion that person A also speaks the truth is 43%. This means the probability that person A speaks the truth, but person B lies 0.88*(1-0.43) equal to 0.5016
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There are four nickels and seven dimes in your pocket. One of the nickels and one of the dimes are Canadian. The others are US c
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To test the impact performance of a 10 cm thick gymnastics mat, a 20 kg cylindrical
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Answer:

A)196J

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Step-by-step explanation:

We are given that a 20 kg cylindrical  mass is dropped onto the mat from a height of 1 m above the mat. During the impact,  the cylinder’s vertical velocity reaches zero at the instant the mat has compressed to  only 4 cm thick.

So, The Mat gets compressed by : 10cm - 4 cm = 6 cm=0.06 m

a)

Using Conservations of energy

Potential energy at the top = Kinetic energy at the point before touching the surface

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b)

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C)

Work done=\text{Average force} \times \text{ Compression of mat}

208=F \times 0.06

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