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lina2011 [118]
3 years ago
12

Which number is rational? o 22 O 16

Mathematics
1 answer:
dangina [55]3 years ago
4 0
Square root of 16 because it equals to 4 which is a rational number
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Simplify a - {5b - [a - (3b - 2c) + c - (a - 2b - c)]}.
densk [106]
Asking the Math Gods...


= a-6b+4c


8 0
3 years ago
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N a game show, a contestant randomly draws a chip from a bag and replaces it. The theoretical probability of drawing a winning c
erica [24]

Answer:

I would expect 6 contestants to draw a winning chip each.

Step-by-step explanation:

Theoretical probability is basically = Number of successful outcomes/Number of possible outcomes.

Since the theoretical probability of drawing a winning chip is 3(winning chips)/10(total chips), if there are 9 winning chips in the bag, we need to first calculate the total number of chips in the bag using the principle of proportion.

Let's call the total number of chips in the bag, "x".

3/10 = 9/x

Cross multiplying:

3x = 90

x = 90/3

x = 30 chips

There is a total of 30 chips in the bag.

Now, if there are 9 winning chips in a bag that contains 30 chips altogether and 30 contestants are to draw one chip each from the bag, I would expect 9 contestants out of the 30 contestants that drew chips from the bag to draw winning chips.

Then if each of the 20 contestants are to draw a single chip from the bag of 30 chips, then the number of contestants that I would expect to draw a winning chip is:

30 contestants----------9 winning chips

20 contestants----------- ? winning chips

20/30 × 9

= 180/30

= 6 winning chips to be drawn by 6 different contestants.

Therefore the number of contestants that I would expect to draw a winning chip from the bag is 6

7 0
3 years ago
A married couple filing their federal income tax return jointly had a taxable
julia-pushkina [17]

Answer:

The income will they have left over after paying their federal income tax is <u>$64,850.00</u>.

Step-by-step explanation:

Given:

A married couple filing their federal income tax return jointly had a taxable

income of $76,300.

Now, to find according to the table the income will they left over after paying their federal income tax.

<em>So, as given in table:</em>

<em>The tax of the taxable income over $67,900 but not over $1,37,050 is $9,350 plus 25% of the amount over $67,900.</em>

As, the taxable income $76,300 falls in to the above conditions.

Now, to calculate the tax:

9350+25\%\ of\(76300-67900)

=9350+25\%\ of\ 8400

=9350+\frac{25}{100} \times 8400

=9350+0.25\times 8400

=9350+2100

=11450.

<em>Thus, the tax = $11450.</em>

Now, deducting the tax from the taxable income:

76300-11450\\=64850

<em>So, the amount left = $64,850</em>.

Therefore, the income will they have left over after paying their federal income tax is $64,850.00.

6 0
3 years ago
Find the area of the following figure 6km and 6km​
bulgar [2K]

Answer:

The area of 6 KM and 6 KM is 36 KM (kilometers).

8 0
3 years ago
What does it mean for statements to be logically equivalent?
nlexa [21]

Answer:

Two statement forms are called logically equivalent if they have identical truth values for each possible substitution for their statement variables.

Step-by-step explanation:

hope this helps <333

brainliest plz :) ?

8 0
3 years ago
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