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3 years ago

PLZZZZ!!! IT'S VERY URGENT I WILLARK BRAINLIEST .

Mathematics

1 answer:

Pani-rosa [81]3 years ago

4 0

Answer:

x^3 + 1

Step-by-step explanation:

Swap x and y and solve for y:

x =(y-1)^⅓

x³ = y-1

y = x³+1

f(x) = x³+1

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4 years ago

Sarah has a garden. The four sides of the garden are made out of wood. The garden has four rows. In each row, there are three se

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3 years ago

A triangular pyramid has a base shaped like an equilateral triangle. The legs of the equilateral triangle are all 20 inches long

Pie

Answer:

Surface area of pyramid with base equilateral triangle is $390+100\sqrt{3}$ square inches

Step-by-step explanation:

Recall the following result:

The total surface area(S) of a regular pyramid is given by,

$S = \frac{1}{2}pl+B$ ...... (1)

Here, p represents the perimeter of the base , $l$ the slant height and B the base area of the pyramid.

From the given information:

Side of equilateral triangle = 20 inches

Slant height of the pyramid( $l$ ) = 13 inches.

First find the perimeter and Area of the base pyramid.

Perimeter of equilateral triangle(p) = $3 \times (side)$

= $3 \times 20 = 60 inches$

Area of equilateral triangle(B) = $\frac{\sqrt{3} }{4} \times (side)^{2}$

= $\frac{\sqrt{3} }{4} \times (20)^2 = 100\sqrt{3}$ square inches.

Substitute the above values in equation (1) as shown below:

$S=\frac{1}{2} \times 60 \times 13+100\sqrt{3}$

$S= 390+100\sqrt{3}$ square inches

Hence, the surface area of pyramid with base equilateral triangle is $390+100\sqrt{3}$ square inches.

6 0

3 years ago

Given triangle ABC is congruent to DEC find m

ch4aika [34]

First, we know that angle B is congruent to angle E.

2x + 40 = 5x + 10

2x + 30 = 5x

30 = 3x

x = 10

Angle B and Angle E = 60 degrees

Angle C = 14 degrees

Remember that the interior angles of a triangle always add up to 180 degrees. Now that we know 2 of the 3 angles of these triangles, and because they are congruent, all that's left to do is find Angle A/D by setting up a simple equation.

60 + 14 + D = 180

74 + D = 180

D = 106

Angle D = 106 degrees

Hope this helps!

7 0

2 years ago

Read 2 more answers

What's the greatest common factor of 8, 44, and 12

lubasha [3.4K]

Answer:

Step-by-step explanation:

the greatest common factor of 8,44,12 is 4

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3 years ago