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Art [367]
3 years ago
15

Am I correct ? ( √2 - √3 )² =1 - √2

Mathematics
1 answer:
Arturiano [62]3 years ago
4 0
You are not correct, the right answer should be 5-2 square root symbol. I couldn't find out how to put one there.
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I’m very confused can someone help me o
bazaltina [42]
Units. I believe have an amazing day you amazing person
4 0
3 years ago
List least to greatest <br> -3/8, 5/16, -0.65, 2/4
amid [387]
-0.65
-3/8
2/4
5/16
I hope this is right, the negatives should go first because you are taking away, then positives 
8 0
3 years ago
0.3% of a country has a certain disease. The test for the disease has a sensitivity of 92% (i.e., of those we know have the dise
butalik [34]

Answer:

0.95988 (Accuracy of the test )

Step-by-step explanation:

To determine the accuracy of this test we have to list out the given values

Prevalence rate of the disease = 0.3% = 0.003

sensitivity rate of the disease = 92% = 0.92

specificity rate for the test = 96% = 0.96

The accuracy of the test can be found using this equation

Accuracy = sensitivity * prevalence + specificity ( 1 - prevalence )

                = 0.92 * 0.003 + 0.96 ( 1 - 0.003 )

                = 0.00276 + 0.95712

                = 0.95988

6 0
3 years ago
What is their least common multiple
Aleks [24]

Answer:

The Least Common Multiple ( LCM ) is also referred to as the Lowest Common Multiple (LCM) and Least Common Divisor (LCD). For two integers a and b, denoted LCM (a,b), the LCM is the smallest positive integer that is evenly divisible by both a and b. For example, LCM (2,3) = 6 and LCM (6,10) = 30.

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
SIMPLIFY (4-74+7) A. 223 B. 9 27 C. 9+2/7 D. 9
sesenic [268]

Answer:

The correct option is D.

Step-by-step explanation:

The given expression is

(4-\sqrt{7})(4+\sqrt{7})

Difference of two squares property:

a^2-b^2=(a+b)(a-b)

Using the above property, the given expression can be written as

(4)^2-(\sqrt{7})^2

Applying square we get

16-7

9

Therefore the correct option is D.

6 0
3 years ago
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