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gizmo_the_mogwai [7]
3 years ago
8

Classify -2x4 - x3 + 8x2= 12 by degree.

Mathematics
2 answers:
AlexFokin [52]3 years ago
6 0
 they answer to this equation is

quintic

Alenkasestr [34]3 years ago
4 0
The highest degree is 4

Quartic is the correct answer.
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8.4.9 On or off the line & Practice Problems
Andrews [41]

Answer:

Number of quarters → 15

Number of dimes → 2

Step-by-step explanation:

Let the number of dimes I have = y

And number of quarters = x

Since, I have amount in my pocket = $2

Therefore, 0.10y + 0.25x = 2

100(0.10y + 0.25x) = 100×2

25x + 10y = 200

5x + 2y = 40

2y = -5x + 40

y = -2.5x + 20 ---------(1)

Total number of coins in my pocket = 17

x + y = 17

y = -x + 17 ---------(2)  

By using a graphing calculator we can graph these two lines (As attached)

Solution of the given system of equations will be the point of intersection of these lines.

Solution → (2, 15)

Number of quarters → 15

Number of dimes → 2

4 0
3 years ago
Evaluate the expression when a=3 and b=24 b-4a
Inessa05 [86]

Answer:

12.

Step-by-step explanation:

b - 4a

Substitute this equation with a=3 and b=24:

24 - 4(3)

24 - 12

12

5 0
3 years ago
At sea level, earths atmosphere exerts a pressure of 1 atmosphere. Atmospheric pressure P (in atmospheres) decreases with altitu
PtichkaEL [24]

Answer:

Initial Amount=1

Decay Factor=0.99987

Decay Rate=0.013%

Step-by-step explanation:

If P = 0.99987ᵃ

I. Initial amount

The initial amount is when a=0

P = 0.99987⁰ = 1

The Pressure at Sea Level=1

II. Decay factor

This is like the decay constant. From the model, P = 0.99987ᵃ, the decay constant/factor is 0.99987.

III. Decay Rate = 1-0.99987 = 0.00013

Expressed in Percentage = 0.013%

5 0
3 years ago
Read 2 more answers
1.) 3(x + 7) - 9x (x = 1​
MrMuchimi

Answer:

bonjour voilà la réponse 4.55

7 0
3 years ago
A grocery store manager received two shipments of oranges. According to the distributor of the oranges, the oranges in both ship
Volgvan
The answer is
 <span>The two shipments have the same range of weights but a different mean weight.
Hope i helped </span>
7 0
2 years ago
Read 2 more answers
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