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blsea [12.9K]
3 years ago
12

Which polynomial is in standard form?

Mathematics
2 answers:
Neko [114]3 years ago
8 0

Answer:

D 2x^3+4x^2-7x+5

Step-by-step explanation:

I just took the test

Dafna11 [192]3 years ago
6 0
The fourth one is in standard form
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A machine costing $56,745 with a 7-year life and $51,208 depreciable cost was purchased January 1. Compute the yearly depreciati
Pie

Answer:

$7315

Step-by-step explanation:

To find the depreciation expense, we use this formula:

Depreciable cost ÷ useful life time

Depreciated cost = $51,208

Life time = 7 years

51,208 ÷ 7 = 7315.42857

This means that $51,208 were lost over the 7 years, meaning $7315 were lost every year.

5 0
3 years ago
Help! I need to know the circumference of the circle and the area of the half circle! Use 3.14 for pi
dedylja [7]

Answer:

18.8495559215

Step-by-step explanation:

circumference = diameter * pi

6 * π = 18.8495559215

5 0
3 years ago
a door with width 4.20 m has an arc as shown in diagram .Find: a) radius of the arc B) length of the arc to the nearest cm
EastWind [94]

Answer:

Ok, we know that the width of the door is 4.20m.

Then, if the arc is at the top of the door, we will have that the diameter of that "half circle" will be equal to the width of the door.

Then the diameter of the arc is 4.20m

And the radius is defined as half of the diameter, so we have:

radius = 4.20m/2 = 2.10m

And we can write this in cm (because the probelm ask for it)

1m = 100cm

then 2.10m = 2.1*100cm = 210cm

Now, we know that the perimeter of a circle is:

P = 2*pi*r

where pi = 3.14

Then the perimeter (or arc) of half a circle will be half of that:

Arc = (2*pi*r)/2 = pi*r

and r = 210cm, pi = 3.14

Arc = 3.14*210cm = 659.4cm

4 0
4 years ago
Pls help asap I’ll give brainliest!!!!!!!!
bonufazy [111]

Step-by-step explanation:

Find the MEAN with the information you have. Then say th edifference between the mean on the graph and the median.

8 0
2 years ago
George had 1 sheet of paper.He cuts it into 6 inches by 5 inches,and 3 inches by 6 inches.What were the dimension and total area
7nadin3 [17]

Answer:

A. 8 inches by 6 inches.

B. 48\text{ inches}^{2}.

Step-by-step explanation:

We have been given that George had 1 sheet of paper. He cuts it into 6 inches by 5 inches and 3 inches by 6 inches.

We can see that two dimensions of small parts of paper sheet have one dimension same (6 inches), therefore, one dimension of original sheet of paper will be 6 inches.

We can figure out second dimension of original paper sheet by adding the lengths of dimension other than 6. So the second dimension will be 8 inches (5+3).              

Therefore, the dimensions of our original sheet will be 8 inches by 6 inches.

Now let us figure out the total area of the original sheet of paper by multiplying 8 by 6.

\text{The total area of the original sheet of paper}=8\text{ inches}\times 6\text{ inches}

\text{The total area of the original sheet of paper}=48\text{ inches}^{2}

Therefore. the area of original sheet of paper will be 48\text{ inches}^{2}.

7 0
4 years ago
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