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nalin [4]
3 years ago
14

Need quick answers Please

Mathematics
1 answer:
grigory [225]3 years ago
4 0
1a) coefficient 1b)variable
2a) coefficient 2b)coefficient
3a)coefficient 3b)coefficient
4a)coefficient 4b)coefficient
5a)coefficient 5b)variable
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Please answer ASAP. Thank You.​
Usimov [2.4K]

Answer:

(-\infty,-4]

Step-by-step explanation:

So we have the inequality:

x\leq -4

This means that our solution is all numbers <em>less than or equal to </em>-4. Therefore, in interval notation, this is:

(-\infty,-4]

This represents all the numbers from negative infinity up until -4. This is equivalent to the inequality.

4 0
4 years ago
Read 2 more answers
A cylinder has a diameter of 40 feet and a height of 32 feet. What is the surface area of the cylinder? Express the answer in te
givi [52]

Answer:

i think its 2,080

Step-by-step explanation:

the diameter is 40ft and the radius r=\frac{40}{2}=20ft and height is h=32ft.

A=2pi(20)(20+32)=40pi52=2,080pi square ft

3 0
4 years ago
Read 2 more answers
Because Charles David Keeling and his new colleagues began measuring CO2 in 1958, we now have an excellent record of how CO2 con
Alecsey [184]

Answer:

1. 516 ppm; 2. 561 ppm

Step-by-step explanation:

1. CO₂ increase at old rate

Time = 2100 - 2010 = 90 years

Increase in CO₂ = 90 yr × (1.4 ppm/1 yr) = 126 ppm

CO₂ in 2010 = 390 + 126 = 516 ppm

At the old rate, the CO₂ concentration in 2100 will be 516 ppm.

2. CO₂ increase at new rate

Time = 2100 - 2010 = 90 years

Increase in CO₂ = 90 yr × (1.9 ppm/1 yr) = 171 ppm

CO₂ in 2010 = 390 + 171 = 561 ppm

At the new rate, the CO₂ concentration in 2100 will be 561 ppm.

6 0
3 years ago
Find the roots of the polynomial function f(x) = x3 + 2x2 + x x = 0, x = –1 x = 0, x = 1 with multiplicity 2 x = 0, x = –1 with
astraxan [27]

f(x) = -3x2(x - 3)(x + 4)3(x2 + 5)

If (x - a) if a factor of polynomial P(x), then a is a zero of P(x).

x = 0

x = 3

x = -4, three times

x = ±√5

5 0
3 years ago
Read 2 more answers
Express 56mm in cm,m and km<br>​
Sliva [168]
5.6 cm, 0.056 meters, 0.000056 kilometer
5 0
3 years ago
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