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3 years ago

1+1=

Mathematics

2 answers:

kolezko [41]3 years ago

7 0

Answer:

1+1= 2

12+12= 24

11+11= 22

15+15= 30

23+23= 46

3+3+3=9

34+34 =68

12+14 =26

50+50 =100

123+123 =246

21+21 =42

90+90 =180

60+60 =120

34+34 =68

55+55 =110

1+0 =1

2+0 =2

32+32 =64

545+545 =1090

54+54 =108

89+89=178

Mkey [24]3 years ago

7 0

Answer:

2,24,22,30,46,9,68,26,100,146,42,180,120,68,110, 1,2,64,1090,108,178

Step-by-step explanation:

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Correlation or Causation: when it rains several inches, the water level of a lake increases?

densk [106]

Answer: Causation

Explanation: One event is the result of another. In this case, several inches of rain causes the level of water in a lake to increase implying cause and effect.

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4 years ago

Simplify. 3725−−√−2825−−√+6325−−√ 457√ 7√ 257√ 857√

Andru [333]

Answer:

Option A.

Step-by-step explanation:

Consider the given problem is

$3\sqrt{\frac{7}{25}}-\sqrt{\frac{28}{25}}+\sqrt{\frac{63}{25}}$

Using the properties of radical expressions we get

$3\cdot \frac{\sqrt{7}}{\sqrt{25}}-\frac{\sqrt{28}}{\sqrt{25}}+\frac{\sqrt{63}}{\sqrt{25}}$ $[\because \sqrt{\frac{a}{b}}=\frac{\sqrt{a}}{\sqrt{b}}]$

$3\cdot \frac{\sqrt{7}}{\sqrt{25}}-\frac{\sqrt{4}\sqrt{7}}{\sqrt{25}}+\frac{\sqrt{9}\sqrt{7}}{\sqrt{25}}$ $[\because \sqrt{ab}=\sqrt{a}\sqrt{b}]$

$3\cdot \frac{\sqrt{7}}{5}-\frac{2\sqrt{7}}{5}+\frac{3\sqrt{7}}{5}$

Taking out common factors.

$\frac{\sqrt{7}}{5}(3-2+3)$

$\frac{\sqrt{7}}{5}(4)$

$\frac{4\sqrt{7}}{5}$

The simplified form of given expression is $\frac{4}{5}\sqrt{7}$

Therefore, the correct option is A.

4 0

3 years ago

The price of a laptop went down by $175. The new price is $950. Which of the expressions shows the price of the laptop before th

Fittoniya [83]

Answer:

950 + 175

Step-by-step explanation:

to find the original price before the sale, you need to add.

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3 years ago

What is the formula to find the circumference of a circle and how do i do it?

Leni [432]

Answer:

circumference of a circle = 2*pi*radius

just multiply 3.14 (pi) by 2 by the radius/diameter divided by 2

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3 years ago

An alarm system requires a 7-digit code using the digits 0 through 9. Each digit may only be used once in the code. How many dif

maks197457 [2]

10M different codes are possible.

Probability Definition in Math-

Probability is a measure of the likelihood of an event to occur. Many events cannot be predicted with total certainty. We can predict only the chance of an event to occur i.e. how likely they are to happen, using it.
Four perspectives on probability are commonly used: Classical, Empirical, Subjective, and Axiomatic.
For example, the probability of flipping a coin and it being heads is ½, because there is 1 way of getting a head and the total number of possible outcomes is 2 (a head or tail). We write P(heads) = ½ .

It’s simple. there are 7 digits, so that would mean you start with 0,000,000 and end with 9,999,999.
If the highest digit is 9,999,999 and you add a 1 more to it, you have a total of 10M combinations.

Learn more about probability

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8 0

2 years ago