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3 years ago

Simplify -6 + [4 - (x-2) ] A. x B. –x C. 1 – x D. –4 – x

Mathematics

1 answer:

Dominik [7]3 years ago

6 0

The answer is B
-6+[4-(x-2)]
-6+4-x+2
-x

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What is the surface area of cone below Diameter AB=21 and distance from B to C =36

Vesnalui [34]

Answer:

1533.88261311522

Step-by-step explanation:

Let r be the radius of the (base/circle)

and L be the slant height of the cone

Formula ………………………………………………………………………………………………………

The surface area of a cone = the (curved/lateral) surface area + the base

$=\pi r^{2}\ \ \ +\ \ \ \pi Lr$

=========================================

$r=\frac{21}{2} =10.5$

L = BC = 36

$\text{surface area} =\pi \left( 10.5\right)^{2} +\pi \times 36\times \left( 10.5\right)$

$=346.360590058275 + 1187.52202305694$

$=1533.88261311522$

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2 years ago

Just tell me where to plot the points :)

Trava [24]

To rotate a figure 90 degrees counter clockwise, switch the X and Y coordinates, and then multiply the new X value by -1

Find the original points:

(2,2) becomes (-2,2)

(7,1) becomes (-1,7)

(8,-4) becomes (4,8)

7 0

4 years ago

3. What is the midpoint of BC?

Anon25 [30]

Answer:

(5,5)

Step-by-step explanation:

3 0

3 years ago

Select ALL the sets of three sides that will make a triangle.

luda_lava [24]

9514 1404 393

Answer:

A. 2,3,4

D 3,4,5

Step-by-step explanation:

In order for segment lengths to be able to form a triangle, the sum of the shortest two must exceed the longest.

A. 2,3,4 . . . 2 + 3 > 4 . . . can make a triangle

B. 2,3,5 . . . 2 + 3 = 5 . . . not a triangle

C. 2,3,6 . . . 2 + 3 < 6 . . . not a triangle

D 3,4,5 . . . 3 + 4 > b . . . can make a (right) triangle

E. 3,4,8 . . . 3 + 4 < 8 . . . not a triangle

6 0

3 years ago

If you have time help, please!

Viefleur [7K]

Answer:

The point on the y-axis is (0,-3) and the point on the x-axis is (6,0)

Step-by-step explanation:

Start by plotting -3 on the y-axis

Then move up 1 and over 2 from there

7 0

3 years ago