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igor_vitrenko [27]

3 years ago

12

You have $700 to buy a new carpet for your bedroom. Write and solve an inequality that represents the costs per square foot that

you can pay for the new carpet. Specify the units of measure in each step.

1 answer:

kicyunya [14]3 years ago

6 0

Answer:

3 squear meator of concrete

Step-by-step explanation:

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Vertex and axis of symmetry f(x)=2x^2-16x-17<br> PLEASE HELP

Law Incorporation [45]

The vertex is at (4, -49) and the axis of symmetry is at x= 4.

To find the vertex of this equation, use this method: $( \frac{-b}{2a})$

a=2
b=-16

This will help get your x value and the axis of symmetry. To find the y value of the vertex, insert the x value, 4 to get your y value, -49.

8 0

3 years ago

A certain virus is dying off at a rate of 18% per hour. Initially there were

djyliett [7]

Answer:

3 strain would still alive after 48 hours

Step-by-step explanation:

Initial population of virus = 40000 grams

A certain virus is dying off at a rate of 18% per hour.

We are supposed to find how much of the strain would still be alive after 48 hours

Formula : $N(t)=N_0(1-r)^t$

$N_0$ =Initial population

N(t)= Population after t hours

r = rate of decrease = 18% = 0.18

t = time = 48 hours

So,the strain would still be alive after 48 hours= $40000(1-0.18)^{48}=2.91 \sim 3$

Hence 3 strain would still alive after 48 hours

3 0

3 years ago

Howmany days are their in a year

ra1l [238]

365 days are in a year

4 0

3 years ago

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darren jogs 425 meters and runs 650 meters in one workout.he performs this workout three times .what is the total distance cover

Igoryamba

425+650=1075 1075x3=3225

4 0

4 years ago

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Which graph represents the function y = cos(4x)?<br><br> Answer is graph B

VARVARA [1.3K]

Answer:

Step-by-step explanation:

Let the equation of the cosine function is,

y = Acos(Bx)

From the graph attached,

A = Amplitude = $\frac{1-(-1)}{2}$

= 1

B = $\frac{2\pi}{\text{Period}}$

B = $\frac{2\pi}{\frac{\pi}{2}-0}$

B = $\frac{4\pi}{\pi}$

B = 4

Therefore, equation of the cosine wave given in the graph will be,

y = 1.Cos(4x)

y = Cos(4x)

7 0

3 years ago

Read 2 more answers