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inessss [21]
4 years ago
9

What is the property of addition that is illustrated by the equation 0+34=34?

Mathematics
1 answer:
kifflom [539]4 years ago
6 0

Answer:

Additive identity.

Step-by-step explanation:

The zero is the additive identity. It is so named because when you add 0 to anything, you leave the unchanged.  To give you a better idea about what this is, the multiplication identity is 1

One times anything does not change anything's value. 1 * 33 = 33. 33 is left unchanged.

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The ratio of boys to girls in a class is 2:3. If there are 18 girls in the class, what is the probability of a boy being in the
lukranit [14]

Answer:

0.4

Step-by-step explanation:

If the ratio of boys to girls in a class is 2:3, then

  • there are 2x boys;
  • there are 3x girls.

If there are 18 girls in the class, then

3x=18\\ \\x=6

Thus, there are

  • 2\cdot 6=12 boys;
  • 3\cdot 6=18 girls;
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The probability of a boy being in the class is

P=\dfrac{12}{30}=\dfrac{2}{5}=0.4

7 0
3 years ago
Write and solve a real world word problem in which there are three tables for every 8 chairs
mylen [45]
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3 years ago
Please help me. I'm stupid.
Gwar [14]

Answer:

\displaystyle 36\:units

Step-by-step explanation:

Split up this Isosceles, Right Triangle into two congruent smaller right triangles. The reflexive side [the line that splits them apart] is 6 units, and both legs are 8 units, leaving the hypotenuses to AUTOMATICALLY be 10 units, according to the Pythagorean Theorem:

\displaystyle a^2 + b^2 = c^2 \\ \\ 6^2 + 8^2 = 10^2 \\ \\ 36 + 64 = 100 \\ \\ 100 = 100

With this Pythagorean Triple, we know that our dimensions are correct. Now, to find the perimeter, just add up all the sides EXCEPT for the divider:

\displaystyle 2[10] + 2[8] = 20 + 16 = 36

I am joyous to assist you anytime.

3 0
3 years ago
Consider the equation y = –3(x – 3) Which equation, when graphed with the given equation, will form a system with lines that ove
pentagon [3]

Answer:

y=-3x+9 (D)

Step-by-step explanation:

8 0
3 years ago
The sum of two numbers is 27. One number is 2 times as large as the other. What are the numbers?
Alex

Answer:

9 and 18

Step-by-step explanation:

x+y=27\\x=2y\\2y+y=27\\3y=27\\y=27/3=9\\x=27-9=18

6 0
2 years ago
Read 2 more answers
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