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Ganezh [65]
3 years ago
7

The sum of the angles of a triangle is 180°. If one angle of a triangle measures x and the second angle measures

Mathematics
1 answer:
serious [3.7K]3 years ago
4 0

Answer:

the third angle= 180-x-(4x+15)

Step-by-step explanation:

if we subtract the two other angles the result will be the measure of the last one

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Answer:

Polygon B is similar to Polygon A.

Step-by-step explanation:

Polygon B has a <em>scale factor</em> of 2, because Polygon B looks identical to A, except the measurements are twice as large.

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Using the Distance Formula Find the length given the points<br> (0,0) and (0,100)
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2 years ago
If the two lines 2x + y= 0 and y=3 are plotted on a typical xy coordinate grid, at which point will they intersect?
irina1246 [14]
2x + y = 0
2x + 3 = 0
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5 0
3 years ago
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A diver starts at the wreck of the Varanger and then ascends 8 feet every 5 minutes. What is the diver’s depth after one hour?
Leokris [45]

Answer:

Step-by-step explanation:

60 minutes divided by 5 times 8

96 feet

6 0
2 years ago
4. The results of testing a new drug on 1,000 people with a certain disease found that 510 of them improved when they used the d
Shalnov [3]

Answer:

It would not be reasonable to say that  more than half of the people with this disease would  improve if they used the new drug

Step-by-step explanation:

Data provided in the question:

Sample size,  n = 1000

Number of people improved when they used the drug = 510

Thus,

Probability that Number of people improved when they used the drug

= 510 ÷ 1000

= 0.510

Now,

margin of error, E = 2\times\sqrt{\frac{p(1-p)}{n}}

= 2\times\sqrt{\frac{0.510(1-0.510)}{1000}}

= 0.032 = 3.2%

Therefore,

Portion of 0.510 is likely to lie in the 3.2% of the actual value of population

And,

The lower portion can be as small as p - E

= 0.510 - 0.032

= 0.478 i.e 47.8% of the sample

Hence,

It would not be reasonable to say that  more than half of the people with this disease would  improve if they used the new drug

4 0
2 years ago
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