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3 years ago

Mia finished 60 percent of her homework in 45 minutes how many minutes will it take her to complete all of her homework

Mathematics

1 answer:

Nostrana [21]3 years ago

4 0

Answer:

75 minutes

Step-by-step explanation:

60/100=45

100/60*45=75

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Please help me solve this problem, and someone please clearly explain to me how to solve it.

allsm [11]

Step-by-step explanation:

For a trinomial ax² + bx + c = 0, the discriminant is b² − 4ac.

If the discriminant is positive, there are 2 real solutions.

If the discriminant is 0, there is 1 real solution.

If the discriminant is negative, there are no real solutions.

a) x² − 4x − 7 = 0

Here, a = 1, b = -4, and c = -7.

b² − 4ac = (-4)² − 4(1)(-7) = 44

The discriminant is positive, so there are 2 real solutions.

b) 4r² + 11r − 3 = 0

Here, a = 4, b = 11, and c = -3.

b² − 4ac = (4)² − 4(11)(-3) = 148

The discriminant is positive, so there are 2 real solutions.

c) 3m² + 7 = 0

Here, a = 3, b = 0, and c = 7.

b² − 4ac = (0)² − 4(3)(7) = -84

The discriminant is negative, so there are no real solutions.

d) t² + 2t + 1 = 0

Here, a = 1, b = 2, and c = 1.

b² − 4ac = (2)² − 4(1)(1) = 0

The discriminant is zero, so there is 1 real solution.

6 0

3 years ago

12-packs of Skwunch apple juice cost $3.00 after a 40% discount. Which equation would allow you to find the original price of th

GaryK [48]

Let x be the original price.

Discount percentage = 40%

Price after discount = $3

So, x - $\frac{40}{100} x$ = 3

$\frac{100x-40x}{100}$ = 3

$\frac{60x}{100}$ = 3

$x = 3(\frac{100}{60} )$

$x=\frac{100}{20}$

x = 5

Hence, the equation that would allow us to find the original price is 0.6x = 3.

6 0

3 years ago

Read 2 more answers

Felipe rode 5600 meters on his bike.

vlabodo [156]

The answer is 5.6 km.
1000m=1km
5600m=?
5600/1000*1km=5.6km

3 0

3 years ago

Out of a class of 150 students, two-fifths opted for German classes and one-third opted for Italian classes. The remaining opted

Yuliya22 [10]

Fraction of students that opted for French = $\frac{4}{15}$

The total number of students = 150

Fraction of students that opted for German = $\frac{2}{5}$

Fraction of students that opted for Italian = $\frac{1}{3}$

Fraction of students that opted for French = 1 - Fraction of students that opted for German - Fraction of students that opted for Italian

Fraction of students that opted for French = $1-\frac{2}{5} - \frac{1}{3}$

Fraction of students that opted for French = $\frac{15-6-5}{15}$

Fraction of students that opted for French = $\frac{4}{15}$

Learn more here: brainly.com/question/18819021

8 0

3 years ago

Easy:

Ugo [173]

Answer:

l x w do the the math

Step-by-step explanation:

there

4 0

3 years ago

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