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3 years ago

Ellie has 9 weeks to finish an 11 part project. How many parts does Ellie have to do each week?

Mathematics

1 answer:

netineya [11]3 years ago

5 0

11 divided by 9 is 1.2 repeating so Ellie will have to do about 1.3 parts a week

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An $8 item is marked up 75%. What is the cost of the item?

UNO [17]

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2 years ago

Which expression is equivalent to the product of p+7/3 and 6/p , where p is not equal to 0?

vichka [17]

Answer:

$\frac{(6p+14)}{p}$

Step-by-step explanation:

$(p+\frac{7}{3})(\frac{6}{p})$

Making denominator same in first bracket we get

$(\frac{3p+7}{3})(\frac{6}{p})$

$(\frac{(3p+7)*6}{3*p})$

Dividing 6 by 3 we get 2

$(\frac{(3p+7)*2}{p})$

using distributive law

$(\frac{6p+14}{p})\\$

Hence this is our answer

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2 years ago

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What are the amplitude, period, and phase shift of the given function? f(t)=-1/2sin(3t-2pi)

Romashka [77]

Answer:

The $amplitude=|A|=\frac{1}{2}$ , $period=3$ and $\text{phase shift}=\frac{2\pi}{3}$ .

Step-by-step explanation:

The given function is

$f(t)=-\frac{1}{2}\sin (3t-2\pi)$ .... (1)

The general form of sine function is

$F(t)=A\sin (Bt-C)+D$ ....(2)

where, |A| is the amplitude, B is period, D is the vertical shift (up or down), and C/B is used to find the phase shift.

On comparing (1) and (2), we get

$A=-\frac{1}{2}$

$B=3$

$C=2\pi$

$D=0$

So,

$amplitude=|A|=\frac{1}{2}$

$period=3$

$\text{phase shift}=\frac{2\pi}{3}$

Therefore $amplitude=|A|=\frac{1}{2}$ , $period=3$ and $\text{phase shift}=\frac{2\pi}{3}$ .

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3 years ago

16. An experiment is carried out to determine how different pH values of soil will affect the growth of tomato plants. In this

svetoff [14.1K]

Step-by-step explanation:

2. Amount of soil provided.

In order to give different pH values of the soil, the amount of soil can directly affect this independent variable.

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3 years ago

Compare the value of the 2s and 5s in 55,220

Mademuasel [1]

Well the 2 in the tens place is ten times as many as the 2 in the hundreds place.Also the 5 in the thousand place is 10 times as many as the 5 in the ten thousand place

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3 years ago

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