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Galina-37 [17]
3 years ago
14

Select the correct answer. What is the height, x, of the equilateral triangle

Mathematics
1 answer:
svet-max [94.6K]3 years ago
8 0

Answer:

D. 4√3 in.

Step-by-step explanation:

Height of an equilateral triangle = a×√3/2

= 8 × √3/2

= 4√3 in.

Option D. 4√3 in.

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The sum of two trinomials is 7x2 - 5x + 4. if one of the trinomials is 3x2 + 2x - 1, then what is the other trinomial?
Margarita [4]

Answer:

  b.  4x^2 -7x +5

Step-by-step explanation:

When you know a sum and one of its contributors, you can find the other by subtraction. The other trinomial is ...

  (7x^2 -5x +4) - (3x^2 +2x -1)

  = (7 -3)x^2 +(-5 -2)x +(4 -(-1))

  = 4x^2 -7x +5 . . . . . matches B

5 0
2 years ago
I need help with this question please?!!!
scoundrel [369]
The answer is -1 because it is subtracting by -2
8 0
3 years ago
Read 2 more answers
Please help i don’t understand
34kurt

Answer:

D

Step-by-step explanation:

First of, let's make a table for y = cos(x)

(x , y): (0 , 1) (π/2 , 0) (π , -1) (3π/2 , 0) (2π , 1)

Now, making a table for y = 2cos(x) is simple. We just have to multiply all the y-values from the previous table by 2.

(x , y): (0 , 2) (π/2 , 0) (π , -2) (3π/2 , 0) (2π , 2)

Graphing these coordinates, we find that the answer is D.

4 0
2 years ago
3(x+y)=2y-x in verbal form
xz_007 [3.2K]
Three times the result of a number plus a number equals two times a number minus a number.

or

Three times the result of a variable plus a variable equals two times a variable minus a variable.
4 0
3 years ago
What is the slope of the line that passes through the
just olya [345]

Answer:

slope = \frac{9-6}{2-2} = \frac{3}{0}

A rational number with denominator zero is not defined.

option  4

7 0
3 years ago
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