3 years ago

What is the algebraic expression for the following word phrase: the sum of 5 and 2x?

Mathematics

1 answer:

Naya [18.7K]3 years ago

6 0

<span>the sum of 5 and 2x : 5 + 2x

You can't add this because they are not like terms
</span>

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If y varies directly with x and y=2 when x=15. Find x when y=8.

andreyandreev [35.5K]

Since the two numbers vary directly, if Y is quadrupled, X will do the same. 2 times 4 is 8, 15 times 4 is 60.

X = 60.

Hope that helps!! :)

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3 years ago

Read 2 more answers

20 points

kodGreya [7K]

Answer:

a) x=0, x=-10, x=11

Step-by-step explanation:

Just find the x- coordinates for when f(x) intersects g(x).

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3 years ago

What is this answer plz help

scZoUnD [109]

Answer:

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2 years ago

of the last 18 trains to arrive at law station 16 were on time what is the experimental probability that the next train to arriv

gregori [183]

Answer:

there would be about 5/6 chance

Step-by-step explanation:

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3 years ago

What is 16% of 43 minutes? Round answer to tenths place.

sergiy2304 [10]

Answer: $6.9\ minutes$

Step-by-step explanation:

Let "x" represents the 16% of 43 minutes.

Once you analize the information given in the exercise, you can identify that 43 minutes is the 100%.

Then, with this data, you can set up the following proportion:

$\frac{100}{43}=\frac{16}{x}$

Now you must solve for "x". The steps are:

- Multiply both sides of the equation by "x"

$(x)(\frac{100}{43})=(\frac{16}{x})(x)\\\\\frac{100x}{43}=16$

- Multiply both sides by 43:

$(43)(\frac{100x}{43})=(16)(43)\\\\100x=688$

- Divide both sides by 100:

$\frac{100x}{100}=\frac{688}{100}\\\\x=6.88$

- Rounding to the tenths place:

$x\approx6.9$

7 0

3 years ago