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3 years ago

The sum of three times a number and seven is 22

Mathematics

1 answer:

svet-max [94.6K]3 years ago

5 0

Answer:

3x+7=22

Step-by-step explanation:

three times a number is

$3\times x=3x$

so the sum of 3x and 7 is 22

$3x+7=22\\\\3x=15\\\\x=5$

you can leave it here

$3x+7=22$

if you need the value of x

then

$x=5$

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Melissa got 18 out of 20 on a math quiz. Tom got 85% on the quiz. Whose mark was greater?

Zina [86]

Answer:

$tom = \frac{85}{100} \times 20 \\ = 17 \: questions$

Melissa had a greater mark.

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3 years ago

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Ethan rolls a 6-sided die. What is the probability that he gets a number greater than 4 or an even number?

Marrrta [24]

Well,

The probability will be the number of favorable outcomes over the total number of outcomes.

The number of favorable outcomes will be the numbers greater than 4 (5,6) and the even numbers (2,4,6). So the favorable outcomes are 2,4,5, and 6. That is 4 total.

$\frac{4}{6} \ or\ \frac{2}{3}$

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4 years ago

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Maxwell Flooring started the year with total assets of $160,000 and total liabilities of $75,000. During the year, the business

juin [17]

Answer:

(A) $150,000

Step-by-step explanation:

As per the given data of the question,

Maxwell Flooring started the year with

Total Assets = $160,000

Total liabilities = $75,000

Revenues = $250,000

Expenses = $100,000

Dividends = $30,000

Stockholders' equity at the end of the year was given by formula:

SE = (Total Assets - Total Liabilities) + (Revenues - Expenses) - Dividends

Therefore,

SE = (Total Assets - Total Liabilities) + (Revenues - Expenses) - Dividends

SE = ($160,000 - $75,000) + ($250,000 - $100,000) - $30,000

SE = $205000

Now,

Stockholders' equity at the end of the year

= Net income - Dividend + Assets - Liabilities

$205000 = Net income - $30,000 + $160,000- $75,000

∴ Net income = $205,000 - $55000 = $150,000

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3 years ago

Find -4(3)+(-7) <br><br> What order should be preformed in this expression

Sergio [31]

Answer:

-19

Step-by-step explanation:

According to bedmas rules, we have to first solve the brackets.

-4(3)+(-7)

-12 + (-7)

Now, let's add

-12 + (-7)

-12 - 7

= -19

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3 years ago

How do you solve (Arc)QPT if <QZT = 120

yuradex [85]

By definition, the arc length is given by:
arc = R * theta * ((2 * pi) / 360)
Where,
theta: angle in degrees
R: radio
We have then:
(Arc) QPT if <QZT = 120:
theta = 360-120 = 240 degrees
R = 13.5 units
Substituting values we have:
(Arc) QPT = R * theta * ((2 * pi) / 360)
(Arc) QPT = (13.5) * (240) * ((2 * pi) / 360)
(Arc) QPT = 56.55 units
Answer:
(Arc) QPT = 56.55 units

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3 years ago