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alina1380 [7]
3 years ago
5

Write the polynomial in standard form. x^2 + 2 - 4x Write the polynomial in standard form.

Mathematics
1 answer:
Dvinal [7]3 years ago
3 0

Answer:

(x-2)^2

Step-by-step explanation:

Hope this helps!

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Outside temperature over a day can be modeled as a sinusoidal function. Suppose you know the temperature is 80 degrees at midnig
Vladimir [108]

Answer:

The equation is given by:

D(t) = 80 + 9\sin{0.2618t}

Step-by-step explanation:

Sine function:

Has the following format:

y = A\sin{bx}

In which A is the amplitude and \frac{2\pi}{b} is the period.

Suppose you know the temperature is 80 degrees at midnight and the high and low temperature during the day are 89 and 71 degrees

This means that the amplitude of the sinusoidal variation function is 89 - 80 = 80 - 71 = 9. This means that A = 9

During a 24-hour day, which means that the period is 24. So

\frac{2\pi}{b} = 24

24b = 2\pi

b = \frac{2\pi}{24}

b = 0.2618

So the variation is:

V(t) = 9\sin{0.2618t}

Assuming t is the number of hours since midnight, find an equation for the temperature, D, in terms of t.

Initial temperature of 80, so:

D(t) = 80 + V(t) = 80 + 9\sin{0.2618t}

8 0
3 years ago
The dose of a strong cough medicine might be which of the following? 2mL, 200mL, 2L
Margarita [4]
To find the answer,we can picture how much the above value is by objects in real life.

2mL = about two drops of water

200mL = about a carton of milk/ a box of ornage juice

2L = 2000 × 10 mL = 20000 mL = The bottle of drinks that are in family/party size.

As we only take in small dosages of medicine, the best option would be 2mL.

Hope it helps!
6 0
4 years ago
If you put a $160 coat on layaway and make a 25% deposit, what is the balance owed?
Anna71 [15]
25% of $160

= (25/100) * 160

= 0.25 * 160

= 40

$40 paid.

Balance owed = $160 - $40 = $120

Balance owed = $120
7 0
3 years ago
Mrs.Klein made some fruit buns.She sold 3/5 in the morning and 1/4 of the remainder in the afternoon.If she sold 200 more fruit
fredd [130]
3/5 =6/10, so 6/10-1/10 = 5/10 =200. 1/2 of 200=100, so mrs.kleein made 400 fruit buns in all.
4 0
4 years ago
I need help please!!!
V125BC [204]

Answer:

all you gotta do is convert miles to yards using google. (or bing if you are a nerd)

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
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