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gladu [14]
3 years ago
11

Select the counterexample to this conjecture:

Mathematics
1 answer:
vredina [299]3 years ago
4 0
The answer is .90º + 90º = 180º, <span>.90º  is not an obtuse angle</span>
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Which expresses 2700 : 4000 as a decimal?
Naddik [55]
The answer is 0.675. 2700:4000 is a ratio that can be expressed as 2700/4000 = 27/40 = 0.675 
8 0
3 years ago
Find the sum and then classify it. StartFraction 5 over 6 EndFraction + StartRoot 91 EndRoot 9.58297100…, irrational 10.Modifyin
Ipatiy [6.2K]

Answer:

10.3727253..., irrational

Step-by-step explanation:

8 0
2 years ago
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HURRY ASAP PLZZZZ ANYONE???? There are 25 towns in a certain country, and every pair of them is connected by a train route. How
Julli [10]

Answer:

25 train routes

Step-by-step explanation:

The train routes go from 1-2, 2-3, 3-4, 4-5, ,and so on, but there is also one that goes from 25-1. If you notice, there when we get to 4-5, there are 4 train routes which means that if there are 25 towns, then there are 24 train routes, but since 25 and 1 are connected then there are 25 routes. Hope this helps!

4 0
3 years ago
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What is the value of x in the equation one-fifthx – two-thirdsy = 30, when y = 15? 4 8 80 200
vova2212 [387]

Answer:

x = 200

Step-by-step explanation:

Given

\frac{1}{5} x - \frac{2}{3} y = 30 ← substitute y = 15 into the equation

\frac{1}{5} x - \frac{2}{3} × 15 = 30 , that is

\frac{1}{5} x - 10 = 30 ( add 10 to both sides )

\frac{1}{5} x = 40 ( multiply both sides by 5 to clear the fraction )

x = 200

5 0
3 years ago
What is the equation in point-slope form of a line that passes through the points (3, −5) and (−8, 4) ?
Nookie1986 [14]

I think it's C or A what do you think it is



7 0
3 years ago
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