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Arte-miy333 [17]
3 years ago
8

Which of these constructions is impossible using only a compass and straightedge?

Mathematics
2 answers:
Kay [80]3 years ago
6 0

Answer:

The correct answer is D. Trisecting any angle

I am Lyosha [343]3 years ago
3 0
The correct answer would be D
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One angle of a triangle measures 10 degrees more than the second. the measure of the third angle is twice the sum of the first t
Leno4ka [110]
Let x = second angle
let x + 10 = first angle
let 2( (x) + (x+10) ) = third angle.
Since the interior of a triangle equals 180° then,
(x) + (x + 10) + 2((x) + (x + 10)) = 180
x + x + 10 + 2(2x + 10) = 180
x + x + 10 + 4x + 20 = 180
6x + 30 = 180
6x = 150
x = 25
Inputting the value of x gives us each angle.

second angle = 25°
first angle = x + 10 = 25 + 10 = 35°
third angle = 2( (x) + (x+10) ) = 2( (25) + (25+10) )
= 110°
8 0
3 years ago
A fish dives 3 ft per minute estimate how far the fish will be in 15 minutes
Anarel [89]

Answer: 45 ft

Step-by-step explanation: 3 times 15 equals 45

4 0
3 years ago
Which expressions are equivalent to -6n+(-12)+4n
GaryK [48]

Answer:

-2n - 12

Step-by-step explanation:

Combine like terms. Note that each term has one variable (n). Also note  that one negative sign and one positive sign results in a negative sign.

-6n + (-12) + 4n = -6n  + 4n - 12 = -2n - 12

-2n - 12 is your answer

~

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3 years ago
Express the area of the entire rectangle. Your answer should be a polynomial in standard form. ​
Mrac [35]

Answer: please mark me the brainlest the area is 60 in  squared

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
It's about "rates and unit rates" sorry again I also need help here sorry I'm learning something new and I need a examples
san4es73 [151]

Answer:

1. D

2. A

I think that is the answer

5 0
3 years ago
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