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3 years ago

H - 20/j = k solve for j

Mathematics

1 answer:

mina [271]3 years ago

4 0

Answer: j = 20/k-h

Step-by-step explanation: Multiply to remove your variable from your denominator.

I hope this helps you out.

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Y is inversely proportional to x.

DedPeter [7]

Answer:

see explanation

Step-by-step explanation:

Given that y is inversely proportional to x then the equation relating them is

y = $\frac{k}{x}$ ← k is the constant of proportionality

To find k use the condition that y = 7, x = 9

k = yx = 7 × 9 = 63, thus

y = $\frac{63}{x}$ ← equation of proportion

When x = 21, then

y = $\frac{63}{21}$ = 3

7 0

3 years ago

Jeanine baker makes floral arrangements. She has 12 different cut flowers and plans to use 5 of them. How many different selecti

Alona [7]

Assuming that the order of selection is not important, this is a question of number of ways. In other words, the combination should be computed. That is,

Number of ways of selection 5 flowers = 12C5 = 12!/{5!*(12-5)!} = 12!/{5!*7!} = 792

Therefore, there are 792 ways in which 5 flowers can be selected from the available 12 flowers.

4 0

3 years ago

4 value of 546 210 in words

FrozenT [24]

Five hinder and fourty six and two hundred and ten

3 0

3 years ago

Mary pays income tax according to the graduated schedule shown below. A 3-column table with 6 rows. Column 1 is labeled If taxab

Katarina [22]

Answer:

$13564

Step-by-step explanation:

$\left|\begin{array}{c|c|c}$If taxable&& \\$income&&\\$ is over&$but not over&$the tax is\\---&---&---\\$0 &7,825 &$10\% of the amount over 0\\7,825 &31,850 &$782.50 plus $15\% $ of the amount over 7,825$ \end{array}\right|$ $\left|\begin{array}{c|c|c}31,850 &77,100 &$4,386.25 plus 25\% of the amount over 31,850 \\77,100 &160,850 &$15,698.75 plus 28\% of the amount over 77,100\end{array}\right|$

$\left|\begin{array}{c|c|c}160,850 &349,700 &$39,148.75 plus 33\% of the amount over 160,850 \\349,700 &$no limit&$101,469.25 plus 35\% of the amount over 349,700\end{array}\right|$

Mary’s taxable income= $68,562

From the table, If taxable income is over $31,850 but not over $77,100

The tax = $4386.25 + 25% of the amount over 31,850

Amount over $31,850=$68,562-$31,850

=$36,712

Therefore:

Mary's tax = $4386.25 + (25% of $36,712)

=$4386.25 +9,178

=$13564.25

=$13564 (to the nearest dollar)

5 0

3 years ago

Read 2 more answers

Use the rules of inference to prove the conclusion r given (all 1,2,3 and 4) the four premises listed below. Write your solution

aniked [119]

Answer:

attached below

Step-by-step explanation:

Applying the rule of logical equivalences

attached below is a detailed solution ( written as a numbered sequence of statements )

3 0

2 years ago