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astra-53 [7]
3 years ago
7

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

Mathematics
1 answer:
mariarad [96]3 years ago
4 0

Answer:

neko...

Step-by-step explanation:

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Find the values of x and y
eimsori [14]

Answer:

y = 70 and x = 20

Step-by-step explanation:

180 - 40 = 140

140/2 = 70

70 + 90 = 160

180 - 160 = 20

3 0
3 years ago
What does 4+9+(16 divide 4-8-3) x 5 equal?
stellarik [79]

Answer:

-22

Step-by-step explanation:

4 + 9 + (16 ÷ 4 - 8 - 3) × 5

= 13 + (4 - 8 - 3) × 5

= 13 - 7 × 5

= 13 - 35

= -22

7 0
3 years ago
Question 5 :)) What is the measure of the missing angle?​
Stella [2.4K]
The answer is 115 because the interior angle is 65 and 115 plus 65 is 180. You want 180 because the angles are opposite and make a straight line
6 0
2 years ago
75% as a fraction or mixed number
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Answer:

{ \sf{ =  \frac{3}{4} }}

6 0
3 years ago
Read 2 more answers
-2x^2+5x-4=0 , find the discriminant
BaLLatris [955]

Answer:

The discriminant is -7

Step-by-step explanation:

The discriminant of a quadratic function/equation(ax^2+bx+c = 0) is calculated as:

b^2 -4ac

Here

b is the co-efficient of x

a is the co-efficient of x^2

and c is the constant

Given equation is:

-2x^2+5x-4=0

Here

a = -2

b = 5

c = -4

Putting the values in the formula for discriminant

= b^2 - 4ac\\= (5)^2 - 4(-2)(-4)\\= 25 - 32\\=-7

As the discriminant is negative, the equation has no real solution.

Hence,

The discriminant is -7

5 0
2 years ago
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