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docker41 [41]
3 years ago
14

(2x^3+4x^2+1)+(x3-x^2-4) in standard form​

Mathematics
1 answer:
Mrrafil [7]3 years ago
6 0

Answer:

3 x^3 + 3 x^2 - 3

Step-by-step explanation:

Best I can give

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Suppose that the water level of a river is 34 feet and that it is receding at a rate of her foot per day right in equation and h
Ghella [55]

Answer: it will take 9 days

Step-by-step explanation:

The water level was initially at 34feet it was receding at the rate of a foot per day. The rate at which it was receding is linear, thus, it is in an arithmetic progression. The formula for the nth term of an arithmetic progression is expressed as

Tn = a+(n-1)d

Where

a is the first term if the sequence

d is the common difference

n is the number of terms.

From the information given,

a = 34 feet because it is the initial height

n is the number of days it will take to get to 26 ft

d = -1 because it is decreasing by 1 foot per day.

Tn = T26 = 26 feet. Therefore, the equation will be

Tn = 34 -1(n-1)

To find for T26,

26= 34 + (n - 1)-1

26 - 34 = -n + 1

n - 1 = 8

n = 8 + 1 = 9

8 0
3 years ago
What is 1000 k = to but it has to be a gram .any get it cause I don't help me
denpristay [2]
You need to convert 1000kg to grams? There are 1000g\frac{1000g}{kg}
Now what you need to do is multiply the number of kg you have by your conversion fractions, making sure that grams is on top so you end up with grams in your answer:\frac{1000kg}{g} * \frac{1000g}{kg}

Kg cancel, and you are left with 1,000,000g
This means that there are 1,000,000g in 1000kg
Hope this helps!
5 0
3 years ago
Points A and B are located at (-7, 6) and (5, 6). What is the distance in units between points A and B?
Eduardwww [97]
The distance is 12 units
7 0
3 years ago
If hurricane eric changed the temperature by -11 in 4 hours, how much did it change each hour?
krek1111 [17]

Answer:

-2.75 degrees

Step-by-step explanation:

4 hours ----> Temp Changed by -11 degrees

1 hour ------> Temp changed by -11/4 = -2.75 degrees

3 0
3 years ago
Read 2 more answers
Find the value of each variables
BigorU [14]

Answer:

<em>X=11</em>

<em>y=22</em>

Step-by-step explanation:

tan60\frac{11\sqrt{3} }{x} \\\\\sqrt{3} =\frac{11\sqrt{3} }{x} \\\\x=\frac{11\sqrt{3} }{\sqrt{3} }

⇒x=11

Sib 60=\frac{11\sqrt{3} }{y} \\\\\frac{\sqrt{3} }{2} =\frac{11\sqrt{3} }{y} \\\\y=\frac{11\sqrt{3} }{\sqrt{\frac{3}{2} } }

⇒ y=22

<u>hope it helps....</u>

8 0
3 years ago
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