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bixtya [17]
2 years ago
11

What is the degree of this polynomial? 4m^8-9m^6+3m^9-6m^7

Mathematics
1 answer:
Klio2033 [76]2 years ago
7 0

Answer:

this is a ninth degree polynomial in m

Step-by-step explanation:

Inspect the polynomial for the highest power of the variable m.  It is m^9.  Thus, this is a ninth degree polynomial in m.

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Solve the equation-3x+25 = 40, we want to know the value of x
Mariulka [41]

Answer:

Last option: x = -5

Step-by-step explanation:

-3x + 25 = 40

-3x = 40 - 25

-3x = 15

3x = -15

x = -5

6 0
2 years ago
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Which equation can be used to find the solution of (1/3)^d−5=81 ?
horsena [70]

Let's solve your equation step-by-step.

Step 1: Add 5 to both sides.

\frac{1}{3}^{2} -5+5=81+5

\frac{1}{3}^d =86

Step 2: Solve Exponent to get.

d = −4.054522   or -4.05  hope this helps


4 0
2 years ago
Which ones make rectangles?
Zarrin [17]

Answer:

b.

Step-by-step explanation:

To figure this out, you just need to fold those nets in your head and see if the edges line up and it forms the figure you want it to. From what I can tell, net b is the only one that would form a rectangular prism.

3 0
2 years ago
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Geometry, Thanks if you help!
Westkost [7]

EK=6, KF=6

By the Pythagorean theorem

6^2+6^2=EF^2\\EF=\sqrt{36+36} \\EF=\sqrt{72}

EF≈8,48≈8

Answer: 8 units

/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\

P.S. Hello from Russia :^)

8 0
3 years ago
The area A, in square meters, of a rectangle with a perimeter of 160 meters is given by the equation A = 80w − w2, where w is th
Sonja [21]

Answer:

the width is 10 m

Step-by-step explanation:

if the relationship between area and width is

A = 80*w − w²

for an area A=700 m² , we have

700 m² = 80*w − w²

w² - 80*w + 700 m² = 0

aw² + b*w + c = 0

where a=1 , b=-80 and c=700

this quadratic equation has as solution the following formula

w = [-b ± √ ( b² - 4*a*c) ]/(2*a)

replacing values

w = [80 ± √ ( 80² - 4*1*700) ]/(2*1) = (80 ± 60)/2

then

w₁=(80 - 60)/2 = 10 m

w₂ =(80 + 60)/2 = 70 m

since the area has the form A= length * width = 80*w − w² = (80− w)*w

then the length of the rectangle is

length = 80− w

for w₁=10 m → length = 80− 10 = 70 m

for w₁=70 m → length = 80− 70 = 10 m

by definition the shorter side is the width ( and the longer one , the length) , therefore the only possible option is the first one .

Thus the width is 10 m

7 0
2 years ago
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