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UkoKoshka [18]
3 years ago
7

What dose 4i(-6+i) +

Mathematics
1 answer:
Yuliya22 [10]3 years ago
3 0

Step-by-step explanation:

-4 - 24 i

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How do I solve the question the width of a rectangle is six meters more less than it's length. If the area of the rectangle is 1
True [87]

Answer:

Length of rectangle = 14 meters

width of rectangle = 8 meters

Step-by-step explanation:

Let the length of rectangle be x meters

width of the triangle is (x - 6) meters

Area of the rectangle is Length x width

112m² = x * (x -6)

112 = x² - 6x

x² - 6x - 112 = 0

x² - 14x +  8x - 112 = 0

x (x - 14) + 8 ( x - 14) = 0

(x - 14)(x + 8) = 0

x - 14 = 0                                     x + 8 = 0

x = 14                                           x = -8

width can't be negative value

Therefore,

Length of rectangle = 14 meters

width of rectangle = 14 - 6 meters

                              = 8 meters

3 0
3 years ago
Mel received notice that his monthly health care rate will increase 20% next year. If Mel currently pays $150 per month for heal
sveta [45]
It will increase by $30

We need to convert the percentage to a decimal by dividing by 100. Then we multiply by the $150.

150 x 0.20 = 30
7 0
3 years ago
Find the measure of each angle of a regular 10 sided polygon
vlabodo [156]

Answer:

Should be 36°

Step-by-step explanation:

If you add up the angle measurements of the shape, it should equal 360° (This applies to all shapes)

So 360° divided by 10 (# of angles)= 36° (Per angle)

7 0
4 years ago
Read 2 more answers
Select the point that is a solution to the system of line
Gre4nikov [31]

Answer:

i need more info to help

Step-by-step explanation:


5 0
3 years ago
A circle has an equation (x+2)2+(y−5)2=64. What is 34 of its area.
skad [1K]

Answer:

3/4 of the area of the circle is of 48\pi squared units.

Step-by-step explanation:

Equation of a circle:

The equation of a circle has the following format:

(x - x_0)^2 + (y - y_0)^2 = r^2

In which the center is (x_0,y_0) and r is the radius.

Area of a circle:

The area of a circle of radius r is given by:

A = \pi r^2

Circle (x+2)² + (y-5)² = 64

Comparing with the standard equation, we have that:

r^2 = 64

Area of the circle:

A = \pi r^2 = 64\pi

What is 3/4 of its area?

\frac{3A}{4} = \frac{3*64\pi}{4} = 3*16\pi = 48\pi

3/4 of the area of the circle is of 48\pi squared units.

8 0
3 years ago
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