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ioda
3 years ago
7

Please someone help!this is adding polynomials.h(x)+g(x)h(x)=6x^2+4x^4+7x​​​

Mathematics
1 answer:
Talja [164]3 years ago
5 0

{7x}^{4}  +  {12x}^{2}  + 3x

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In triangle ABC , m angle A=(3x)^ , m angle B=(3x+10)^ , and m angle C=(4x-30)^ Find m m angle C
sweet-ann [11.9K]

Answer:

B

Step-by-step explanation:

Interior angles of a triangle = 180°

3x°+3x+10°+4x-30°=180°

10x°-20°=180°

10x°=180°+20°

10x°= 200°

10x°/10=200°/10

x°=20°

6 0
3 years ago
A rectangle is 5 times as longer than it is wide. Its width is three-sixteenths of its perimeter. Find its perimeter.
VikaD [51]
Length = 5x
width = x
area = 125
A = L*W
125 = (5x)(x)
125 = 5x^2
125/5 = x^2
25 = x^2
sqrt{25} = sqrt{x^2}
5 = x
The width is 5 feet.
The length is 5 times 5 feet or 25 feet.
To find the perimeter, we use P = 2L + 2W.
P = 2(25) + 2(5)
P = 50 + 10
P = 60 feet.
Done!
4 0
3 years ago
Students in a random sample of 57 students measured their handspan. The dot plots display the results for the males and females.
Nat2105 [25]

Answer:

There is a difference in mean hand span between male and female if you notice the difference between their averages.    2cm  is quite significant

female mean = 19.6 cm  and male mean = 21.6 cm

Step-by-step explanation:

a.)  There is a significant difference.

take  P( Z  < ( 19.6 - 21.6) / 1)  = P(Z < -2) = 2% probability of assuming that male and female means are the same.  too low to think like that.

b.) Differ by 2cm.  MAD=  Mean Absolute Deviation , MAD within their own data set  seem similar

C.)  The variability in hand spans among male and female are very similar, since they both have the same MAD = 1.0

7 0
4 years ago
You deposit 6000 in a account earning 7% interest compounded continuously how in the account after 15 years
Vlada [557]
Compounded continuously: A=P*e^(rt)
A=6000*e^(0.07*15)
use your calculator: A=17145.90
7 0
4 years ago
the two lines represent the amount of water, over time, in two tanks that are the same size. Which container is filling more qui
uranmaximum [27]

The missing figure is attached down

Answer:

Container A is filling more quickly

Step-by-step explanation:

<em>Let us explain the linear relation</em>

The linear equation is y = m x + b, where

  • m is the slope of the line which represents the rate of change (change in y/change in x)
  • b is the y-intercept which means the initial amount of y (at x = 0)

<em>If a line represents the amount of water over time, then it represents the rate of filling of the water</em>

∵ There are two containers A and B that have the same size

∵ The two lines represent the amount of water over time in

    containers A and B

∴ The slopes of the lines represent the rat of water in the tanks

→ That means the greater slope represents the greater rate

∵ The greater the slope, the steeper the line

∴ The container that represented by the steeper the line is filling quickly

→ The line represents container A is steeper more than the line

    represents container B

∴ Container A is filling more quickly

4 0
4 years ago
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