2 years ago

If A=(3,9] and B= [6,9) then find A u B

1 answer:

5 0

U means "Union" or all the numbers from one set and all the numbers from the other set combined. So your answer is any of the numbers included in one set or the other or both.

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Which of these numbers is not rational?

leva [86]

Answer: A: $\sqrt{3}$

Step-by-step explanation:

The square root of 3 is an irrational number. It is also known as Theodorus' constant, after Theodorus of Cyrene, who proved its irrationality.

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2 years ago

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James bought a new sweatshirt from Foot Locker for $39.98 with tax of 7% that was added at the register. James gave the cashier

Veseljchak [2.6K]

Answer: 2.2214

Step-by-step explanation:

0.07 x 39.98 = 2.7986 (is tax)

2.7986 + 39.98 = 42.7786

45.00 - 42.7786 = 2.2214

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2 years ago

Find the value of x in the isosceles triangle shown below.

dybincka [34]

USING PYTHAGORAS THEORAM,

x²+3²= 5²

x²+9= 25

x²= 25-9 = 16

x= √16

x= 4

OPTION D

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2 years ago

Please help me do the equation and figure out the right solution. I am supposed to be correcting the one in the picture.

alexira [117]

Answer:

The correct answer is if you want no roots in the denominator, the correct answer is $\frac{2x}{y}$ * $\sqrt[3]{2y^{2} }$

Step-by-step explanation:

The mistake is that you can't take a cube root of a square at step 3 when $y^{2}$ is taken out.

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1 year ago

Please look at photo and help me I will mark who ever is first

maksim [4K]

Answer:

a = 9

Step-by-step explanation:

you can simplify the proportion to:

$\frac{a}{24} =\frac{3}{8}$

use cross- multiplication

8a = 72

a = 9

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2 years ago