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Gekata [30.6K]
3 years ago
10

Justin bought 40 packs of baseball cards for a discounted price of $64. if he sells 10 packs of baseball cards to a friend at co

st, how much should he charge?
Mathematics
1 answer:
melamori03 [73]3 years ago
3 0
If he sells 10 packs of baseball cards to a friend at cost, he would charge $16.
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The population of a certain country is approximated by the following equation, where x is the number of years since 1980 and P i
saveliy_v [14]

Answer:

235

Step-by-step explanation:

The population equation is given as P= 2.726x + 126.189

-To find the number of years since 1980, we subtract the start year from the current year(2020):

X=2020-1980=40

We substitute the x value in the population equation to find the current population:

P=2.76x+126.189 but x=40

P=2.76(40)+126.189=235.229

Rounding off then the population in the current year is 235

8 0
2 years ago
Rewrite in simplest radical form square root of x times the fourth root of x. Show each step of your process.
Ipatiy [6.2K]

Answer:

\sqrt[4] {x^3}

Step-by-step explanation:

At this point, we can transform the square root into a fourth root by squaring the argument, and bring into the other root:

\sqrt x \cdot \sqrt[4] x =\sqrt [4] {x^2} \cdot \sqrt[4] x = \sqrt[4]{x^2\cdot x} = \sqrt[4] {x^3}

Alternatively, if you're allowed to use rational exponents, we can convert everything:

\sqrt x \cdot \sqrt[4] x = x^{\frac12} \cdot x^\frac14 = x^{\frac12 +\frac14}= x^{\frac24 +\frac14}= x^\frac34 = \sqrt[4] {x^3}

5 0
1 year ago
A can of chili has a radius of 5.25 cm and a height of 13 cm. find the volume
spayn [35]

Answer:

1125.67

Step-by-step explanation:

4 0
3 years ago
A pair of vertical angles has measures (3x+4)° and (7x-9)°<br> What is the value of x?
Andrei [34K]
Since they are vertical they are equal to each other.

3x + 4 = 7x - 9
4 = 4x - 9
13 = 4x 
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So the value of x is 3.25.

Hope this helps :)
5 0
2 years ago
Find the addictive inverse of -9
son4ous [18]
The Additive inverse is 9
4 0
3 years ago
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