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g100num [7]
3 years ago
13

Help me plz will mark brainliest (final project btw)

Mathematics
1 answer:
garri49 [273]3 years ago
7 0

Answer:

Angle 1: 68

Angle 2: 136

Angle 3: 46

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Let a= x^2 +4. Rewrite the following equation in terms of a and set it equal to zero.
swat32

Answer:

C and G

Step-by-step explanation:

(x^2+4)^2+32=12x^2+48 is written as (x^2+4)^2+32=12x^2+48.

We can simplify the expression using the term a by replacing x^2 + 4 with a.

(x^2+4)^2+32=12x^2+48\\(x^2+4)^2+32=12(x^2+4)\\a^2 + 32 = 12a\\a^2 - 12a + 32 = 0

This factors into (a-4)(a-8). Solve by setting each factor equal to 0 and solve for a.

a-4 = 0                 a=4

a-8=0                   a=8

4 0
3 years ago
Rachel has a toy shaped like a triangular pyramid in which the base and the lateral faces are congruent equilateral triangles. T
kotegsom [21]

Answer:

Step-by-step explanation:

The lateral area that Rachel needs to cover is 21 inches squared. You find this by first finding the area of one triangular side. To do this, you must half the base of one side, so it makes 2, and multiply it by the height, which gets you to 7. Then, you must half this, as the formula for the area of a triangle states, and then multiply this by two as you at first found the area of only HALF the triangle. This should still get you to 7. Now, there are three lateral sides, not including the base, so you must multiply 7 by 3. This gets you 21.

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3 years ago
PLEASE HURRY WILL GIVE BRAINLIEST
sashaice [31]

Step-by-step explanation:

P=96

A= 665.11

Not sure about the first part

I think the first part might be 8,.

7 0
3 years ago
all of the sides of the hexagon has the same length s. which expression represents the perimeter of this hexagon
Sphinxa [80]

Answer:

6s

Step-by-step explanation:

6 0
3 years ago
Where my math wizzes at? I really need help and fast. A dialation has a center (0, 0, 0). Find the image of the point (-1, 2, 0)
defon
Multiply every coordinate by the scale factor 3

(-1,2,0) ----> (-3,6,0) is the answer
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3 years ago
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