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Marysya12 [62]
3 years ago
12

Solve 322 +63 +3=0 using the Quadratic Formula. X=

Mathematics
1 answer:
Licemer1 [7]3 years ago
7 0

Answer:

Step-by-step explanation:

322+63 ?= 0

385≠0

False

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Find the value of A if the 4-digit number 3A5A is divisible by both 3 and 5.
Arturiano [62]

Answer:

The value of A is 5

Step-by-step explanation:

- The number is divisible by 3 if the sum of its digits is a number

  divisible by 3

- Ex: 126 is divisible by 3 because the sum of its digits = 1 + 2 + 3 = 6

  and 6 is divisible by 3

- The number is divisible by 5 if its ones digit is zero or 5

- Ex: 675 is divisible by 5 because its ones digit is 5

        890 is divisible by 5 because its ones digit is 0

- We are looking for the value of A in the 4-digit number 3A5A which

  makes the number divisible by both 3 and 5

∵ A is in the ones position

∴ A must be zero or 5

- Let us try A = 0

∵ A = 0

∴ The number is 3050

∵ The sum of the digits of the number = 3 + 0 + 5 + 0 = 8

∵ 8 is not divisible by 3

∴ 3050 is not divisible by both 3 and 5

∴ A can not be zero

- Let us try A = 5

∵ A = 5

∴ The number is 3555

∵ The sum of the digits of the number = 3 + 5 + 5 + 5 = 18

∵ 18 is divisible by 3

∴ 3555 is divisible by both 3 and 5

∴ A must be equal 5

* <em>The value of A is 5</em>

5 0
3 years ago
Which are solutions of 1 &lt; 3x – 2 &lt; 13?
AURORKA [14]

Answer:

0.076 or 4.409 try both its one of those two

Step-by-step explanation:

6 0
2 years ago
Good Morning/afternoon
mote1985 [20]

Answer:

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Step-by-step explanation:

Have a great day!!!

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3 years ago
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What is radical 64/8 simplified
Luda [366]
The answer is 8, because 64÷8= 8!simple
4 0
3 years ago
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What is the value of a for the equation below?
Mice21 [21]

Steps to solve:

15 + 2a = 35

~Subtract 15 to both sides

2a = 20

~Divide 2 to both sides

a = 10

Best of Luck!

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3 years ago
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