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Rom4ik [11]
3 years ago
7

Ala has 24 dollars, Barb has 66 dollars, and Sophia has as many dollars more than Ala as she has less

Mathematics
1 answer:
serious [3.7K]3 years ago
5 0

Answer:42

Step-by-step explanation:

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Find the roots of the equation x^2+2x+5=0
stiv31 [10]

Answer:

x = - 1 ± 2i

Step-by-step explanation:

we can use the discriminant b² - 4ac to determine the nature of the roots

• If b² - 4ac > , roots are real and distinct

• If b² - 4ac = 0, roots are real and equal

• If b² - ac < 0, roots are not real

for x² + 2x + 5 = 0

with a = 1, b = 2 and c = 5, then

b² - 4ac = 2² - (4 × 1 × 5 ) = 4 - 20 = - 16

since b² - 4ac < 0 there are 2 complex roots

using the quadratic formula to calculate the roots

x = ( - 2 ± \sqrt{-16} ) / 2

  = (- 2 ± 4i ) / 2 = - 1 ± 2i


7 0
3 years ago
At a park, 80 out of the 200 people there are men. The rest are women. What percent of the people are women?
kogti [31]
You subtract 200 by 80 and your answer would be 120 people are women
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3 years ago
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Can someone answers this question please master it correctly if it’s corect I will mark you brainliest
Lostsunrise [7]

Answer:

28

Step-by-step explanation:

4 0
2 years ago
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PLEASE ANSWER ASASP FOR BRAINLEST!!!!!!!!!!!!!!
Pavlova-9 [17]
Onomatopoeia? that’s the only one that seems like it might be the answer cus it doesn’t really seems like figurative language
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The length of a rectangle is 2.72 feet and the width is 3.81 feet. Find the area
Irina-Kira [14]

Answer:

area of rectangle = length× width

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<h3>hope it helps.</h3>
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2 years ago
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