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guapka [62]
2 years ago
9

Y=¼ x + 2.5 y=⅕ x + 3 solve using substitution or elimination

Mathematics
2 answers:
lutik1710 [3]2 years ago
7 0

Answer:

Step-by-step explanation:

posledela2 years ago
3 0

Answer:

x=1/10

Y=5

Step-by-step explanation:

1/4x+2.5 =1/5x+ 3

x=1/10

Y=1/4×1/10+2.5

Y=5

×=1/10

Y=5

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If f(x) = ||x|| , find f (-1/4)
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8 0
3 years ago
PLZ HELP WILL GIVE BRAINLIEST!!!!
Natalka [10]
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7 0
3 years ago
Provide answers for part a,b, and c. Show work for part c.
schepotkina [342]

Answer:

Step-by-step explanation:

PART A

The Pythagoras theorem is expressed as

Hypotenuse^2 = opposite side^2 + adjacent side^2

PART 2

The hypotenuse is the longest side of the triangle. Looking at the given triangle, the longest side is the side with the length of 7. Therefore, hypotenuse = 7

PART C

To determine x, we will apply the Pythagoras theorem as stated above.

Opposite side = √14

Adjacent side = x

Therefore

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6 0
3 years ago
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omeli [17]

A) A rational number that is between 9.5 and 9.7 could be 9.6 because it can be written as a fraction (in this case 9 6/10 or 9 3/5)

B) An irrational number could be the square root of 91 because it's value cannot be written as a fraction, as with all other square roots of non-perfect squares. sqrt(91) is about 9.54 rounded to the nearest hundredth.

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7 0
3 years ago
Please help someone help me! Correct answer only! This assignment is due today.
Mekhanik [1.2K]

Answer:

<em>Probability ≈ 0.0714</em>

Step-by-step explanation:

Consider permutation and combination;

Total Combinations - 8C4,\\8C4 = 8! / 4! * ( 8 - 4 )!,\\8 * 7 * 6 * 5 / 4!,\\\\Total Combinations = 70,\\\\Combinations of Dance Classes - 5C4,\\5C4 = 5! / 4! * ( 5 - 4 )!,\\5 * 4 * 3 * 2 * 1 / 4 * 3 * 2 * 1,\\\\Dance Classes = 5,\\\\Probability - 5 / 70 = 0.0714,\\Conclusion; Probability = ( About ) 0.0714

5 0
3 years ago
Read 2 more answers
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