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Ghella [55]
2 years ago
9

Which number produces a rational number when added to 0.3?

Mathematics
2 answers:
Monica [59]2 years ago
6 0
A rational number is an algebraic term expressed as a fraction. The fraction can also be in decimals but only if the decimal places are not repeating or not infinitely long. If they aren't, then these are called irrational numbers.

Let's try each of the choices:

A. The term 2/4 is a rational number. Now, when 0.3 or 3/10 is added to it, the sum would be 4/5 or 0.8. This is a rational number.

B. √7 is an irrational number because its exact value is 2.645751311.... Even if you add 0.3 to it, the answer would still be irrational

C. Obviously, this is an irrational number

D. The exact value of π is <span>3.14159...... If 0.3 is added to it, the answer would be 3.441592654. This is irrational.


Therefore, the answer is A.</span>
sweet [91]2 years ago
3 0

Answer:

2/4

Step-by-step explanation:


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At noon, the temperature in Tempest, California was
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Answer:

The change was 18 ° F

Step-by-step explanation:

We know that:

At noon, the temperature in Tempest, California was 78°F

At midnight the temperature is:  60°F.

To find the temperature drop, subtract the temperature of  noon with the temperature at midnight.

Change= 78\°F - 60\°F = 18\°F

<h3>The change was 18 ° F</h3>

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3 years ago
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What is the length of the missing leg?
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Step-by-step explanation:

Use the Pythagorean theorem

A square + B square = C square

C square - A square = B square

C square - B square = A square

10 - 6 = b --Square it

100 - 36 = 64 (square root)

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7 0
3 years ago
Trapezoid ABCD and trapezoid JKLM are similar. What side corresponds to side BC? Side LM Side KL Side JK Side KJ
astraxan [27]

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Step-by-step explanation:

3 0
3 years ago
Twice as many students are in the chess club as in the fencing club.The number of students in the fencing club is one fifth the
jekas [21]

Answer:

28 students

Step-by-step explanation:

Let number of students in cooking club = x

Number of students in fencing club = 1/5 x

Number of students in chess club = 2(1/5)x

Since, There are 42 more students in the cooking club than in the chess club

Then ;

Number of students in chess club = Number of students in cooking club - 42

2(1/5)x = x - 42

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2 years ago
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