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yaroslaw [1]
3 years ago
6

Help please :( thank u

Mathematics
1 answer:
snow_tiger [21]3 years ago
8 0

Answer:

he needs to know the width!!!

Step-by-step explanation:

since length multiplied by the width equals area,

so since the length is given, the width is needed

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Rosalie earns extra money by working as a babysitter over the weekend. She charges $10 to drive to the home and an additional $8
agasfer [191]

Answer: The input values are B-number of hours (x).

The output values are C-charge for babysitting(y).

The value of $10 represents the B-y intercept.

The value of $8 represents the C-slope.

Step-by-step explanation:

Charges to drive to the home= $10

Additional charges per hour=$8

Let x be the hour she worked (independent variable) and y be the total charge for baby sitting (dependent variable)

Thus, the input values are number of hours (x) and the output values are charge for babysitting(y)

According to the situation the equation would be

y=8x+10

which is equivalent to the slope intercept form y=mx+c, where

m=8, slope of line

At x=0, y=10

Thus, $10 represents the y intercept

6 0
3 years ago
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Find the product of z1 and z2, where z1 = 7(cos 40° + i sin 40°) and z2 = 6(cos 145° + i sin 145°).
Oduvanchick [21]
For two complex numbers z_1=re^{i\theta}=r(\cos\theta+i\sin\theta) and z_2=se^{i\varphi}=s(\cos\varphi+i\sin\varphi), the product is

z_1z_2=rse^{i(\theta+\varphi)}=rs(\cos(\theta+\varphi)+i\sin(\theta+\varphi))

That is, you multiply the moduli and add the arguments. You have z_1=7e^{i40^\circ} and z_2=6e^{i145^\circ}, so the product is

z_1z_2=7\times6(\cos(40^\circ+145^\circ)+i\sin(40^\circ+145^\circ)=42(\cos185^\circ+i\sin185^\circ)=42e^{i185^\circ}
3 0
3 years ago
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The population of a certain species of fish in a lake has a relative growth rate of 1-2%. It is estimated the population in the
hichkok12 [17]

Answer:

Fish Population The population of a certain species of fish has a relative growth rate of 1.2 %per year. It is estimated that the population in 2000 was 12 million. (a) Find an exponential model  for the population tyears after 2000 . (b) Estimate the fish population in the year 2005  (c) Sketch a graph of the fish population.

Step-by-step explanation:

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2 years ago
The first four terms of a sequence are shown below:
Marta_Voda [28]

Answer:

Step-by-step explanation:

Since each term is decreased by three f(n+1)=f(n)-3

7 0
2 years ago
What is the slope of the line passing through the points (5,7) (-4,2)
MariettaO [177]
Y+9/16x+4.2 this might be your answer
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