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Diano4ka-milaya [45]
3 years ago
8

set the equation up for "Eight less than the square of a number is the same as adding the number and four"

Mathematics
1 answer:
TEA [102]3 years ago
5 0
X^2-8 = x+4 is your answer!
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The are of a rectangle is 54 cm. The length is 2 cm more than a x and the width is 5 cm less than twice x. Solve for x. Round yo
romanna [79]
Given that:

(x+2)(2x-5)=54

We have:
2x^2-x-64=0

Using the quadratic formula, this is approximately 5.66, so rounded to the nearest whole number, our answer is 6.
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2 years ago
What is the distance between (5,2) and (1,-3) on a coordinate plane?
Citrus2011 [14]
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6 0
3 years ago
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DJ Giovanni is making a playlist for a friend; he is trying to decide what 12 songs to play and in what order they should be pla
Elena L [17]

Answer:

5.78×10¹⁵

Step-by-step explanation:

The playlist has 12 songs, and he wants the same number of songs for each genre, so he must pick 4 songs per genre.

The number of ways he can choose 4 country songs (ignoring the order) is ₂₂C₄ = 7315.

The number of ways he can choose 4 reggae songs (ignoring the order) is ₁₁C₄ = 330.

The number of ways he can choose 4 pop songs (ignoring the order) is ₅C₄ = 5.

The total number of combinations is 7315 × 330 × 5 = 1.21×10⁷.

Once he has his 12 songs selected, the number of ways he can arrange them is ₁₂P₁₂ = 12! = 4.79×10⁸.

So the total number of possible playlists is:

(1.21×10⁷) × (4.79×10⁸) = 5.78×10¹⁵

4 0
3 years ago
What is 20% of 1/3 ???????
nata0808 [166]
The answer is 0.6666666666 but to simplify it you can put 0.6
8 0
3 years ago
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By the end of Monday, a grocery distribution center has 240 cases of green beans in its warehouse. Every day, the center deliver
asambeis [7]
The answer is B.
Explanation:

240-18
= 222
222-18
= 204
204-18
= 186
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3 years ago
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