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alukav5142 [94]
3 years ago
6

How many degrees are there in each exterior angle of an equilateral triangle?

Mathematics
2 answers:
pickupchik [31]3 years ago
7 0
B. 120° in each exterior angle of an equilateral triangle :)
galina1969 [7]3 years ago
7 0

B. 120 degrees

That is because since we know that the inside angles of a equilateral triangle is 60 degrees and a line is 180 degrees do this:

180 - 60 = 120 degrees

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What is the area of a trapezoid? 47,45,65
Masteriza [31]
Area = 2,520m^2
(47+65)/2 = 56
56x45 = 2,520
8 0
2 years ago
O is the centroid. Find the value of x. (Sorry if u cant see the photo :/, but this is Geometry btw)
klemol [59]

Answer: x = 6

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

Explanation:

The medians of a triangle meet up at the centroid in such a way that they cut each other at a ratio of 2:1, meaning that one part of the median is twice as long as the other. In this case, MO is two times longer than OP, so,

OP = 2*MO

and

MP = MO + OP

MP = MO + 2*MO .... replace OP with 2*MO

MP = 3*MO

9x-24 = 3*(x+4) ... plug in the given expressions

9x-24 = 3x+12

9x-3x = 12+24

6x = 36

x = 36/6

x = 6

8 0
3 years ago
3x+11 divided by 2+-2
mezya [45]

Answer:

Impossible.

Step-by-step explanation:

You cannot divide by a 0.

6 0
3 years ago
Read 2 more answers
To increase an amount by 3% what single multiplier would you use?<br> thanks :)
KATRIN_1 [288]
X - an amount

x+3\%x=x+0.03x=1.03x

To increase an amount by 3% you can multiply the amount by 1.03.
4 0
3 years ago
Write a polynomial function $f$ of least degree that has rational coefficients, a leading coefficient of 1, and the given zeros.
olganol [36]

Answer:

f(x) = x^{3} + 4x^{2} -7x^{} -10^{}

Step-by-step explanation:

The zeros of the polynomial function are given us as -5,-1,2

If the zeros of a polynomial function are α,β,ω, the polynomial function can be obtained using the expression below:

f(x) = (x - α)(x - β)(x - ω)

where α = -5, β = -1, and ω = 2

f(x)=(x-(-5) )(x -(-1))(x - 2) = (x+5)(x+1)(x-2)\\\\f(x)=(x+5)(x^{2} -2x + x -2) = (x+5)(x^{2}  -x-2)\\\\f(x)=x(x^{2}  -x-2)+5(x^{2}  -x-2)\\\\f(x)= x^{3} - x^{2} -2x + 5x^{2} - 5x - 10\\\\f(x)= x^{3} + 4x^{2} -7x - 10

<em>NB: To arrive at the answer, expand the brackets and after expansion, collect like terms to obtain the final answer</em>

4 0
3 years ago
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