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kkurt [141]
3 years ago
14

In the figure above, lines l and m are parallel and

Mathematics
1 answer:
Usimov [2.4K]3 years ago
8 0

Answer:

45

Step-by-step explanation:

Because there is 80 degrees on a parralel line to 80-35=45

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The area of a rectangle is represented by the polynomial x^2+3x-6x-18. What are the length, width, and area of the rectangle if
Nitella [24]

Answer:

Length = 15

Width = 6

Area = 90

Step-by-step explanation:

Area of the rectangle = {x}^{2}  + 3x - 6x - 18

Lets factorise the polynomial

=  >  x(x + 3) - 6(x + 3)

=  > (x  + 3)(x - 6)

We know that Area = Length × Width

Let the length be (x + 3) & width be (x - 6)

Its given in the question that x = 12. So putting the value of x gives ,

Length = x + 3 = 12 + 3 = 15

Width = x - 6 = 12 - 6 = 6

Area = Length × Width = 15 × 6 = 90

5 0
3 years ago
Coleman uses his graphing calculator to find all of the solutions to the equation shown below.
Phoenix [80]

Answer:

The correct option is;

D. x = -1.38 and 0.82

Please find attached the combined function chart

Step-by-step explanation:

The given equation is x³ + 3 = -x⁴ + 4

Plotting the equation using Excel, we have;

f(x) = x³ + 3, h(x) = -x⁴ + 4

x                                             f(x)                                       h(x)

-1.4                                         0.256                                   0.1584

-1.39                                       0.314381                              0.26699

-1.38                                       0.371928                             0.373261

-1.37                                       0.428647                             0.477246

-1.36                                       0.484544                             0.57898

Which shows an intersection at the point around -1.38

x                                          f(x)                                     h(x)

0.77                                    3.456533                         3.64847

0.78                                    3.474552                         3.629849

0.79                                    3.493039                          3.610499

0.8                                         3.512                                3.5904

0.81                                      3.531441                           3.569533

0.82                                       3.551368                          3.547878

0.83                                       3.571787                            3.525417

Which shows the intersection point around 0.82

Therefore, the correct option is x = -1.38 and 0.82

From the graphing calculator the intersection point is given as

x = -1.3802775691 and 0.81917251339.

8 0
3 years ago
Use the slope interactive to graph the line with a y-intercept of -2 and slope of -1/3. What is the x-intercept of the line
brilliants [131]
The x intercept would be -3 I believe, please mark me as brainliest if this helps and comment if you would like an explanation
5 0
3 years ago
Read 2 more answers
Does anyone know the answer to this one?
AlladinOne [14]

Answer:

10.5cm^3

Step-by-step explanation:

Volume =l×b×h

3×7/4×2

3×1.75×2

10.5cm^3

hope it helps :)

plz mark as brainliest

3 0
3 years ago
Meg has 10 feet of ribbon that she wants to divide into 2/5 of a foot pieces. How many 2/5 of a foot pieces are there in 10 feet
Gre4nikov [31]

Answer:

There are 25 of 2/5 of a foot pieces in 10 feet.

Step-by-step explanation:

1. Divide 10 by 2/5

2. The answer is 25.

4 0
3 years ago
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