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2 years ago

15

25% of the students of the student in the class ride the bus to school. If 10 students walk, how many total students are in the

class?

1 answer:

lilavasa [31]2 years ago

4 0

Answer:

40 students

Step-by-step explanation:

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What is 31=xy+15? for segment addition

kati45 [8]

Answer:

x = 16/y

or

y =16/x

Step-by-step explanation:

31=xy+15

subtract 15 from both sides of the equation:

xy = 16

x = 16/y

or

y =16/x

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2 years ago

Data were collected on the amount spent by 64 customers for lunch at a major Houston restaurant. These data are contained in the

love history [14]

Answer:

attached below

Step-by-step explanation:

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3 years ago

Marcus scored 2.5 loints per game in the 20 basketball games he played last year.how many total points did Marcus score in these

Dovator [93]

Marcus scores 50 total points.

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3 years ago

Which equation involves a prime quadratic and cannot be solved by factoring? A. x2 + 5x − 4 = 0 B. x2 − x − 6 = 0 C. x2 + 3x − 4

Damm [24]

Answer:

Option A

Step-by-step explanation:

We can try to factorize all the options one by one.

For A:

$x^{2} +5x-4\\=> x^{2}+4x+x-4\\=>x(x+4)+1(x-4)$

We can see that the quadratic expression cannot be solved by factorization as the factors at the end of factorization are not equal in both brackets. So Option A is the correct answer for the given question.

Moreover we can also note that all the other quadratic expressions can be factorized ..

8 0

3 years ago

Jay is paid £2000 each month. He saves 6% of the £2000 each month. How many months will it take Jay to save £480?

BARSIC [14]

Answer:

4 months

Step-by-step explanation:

(2000 *6)/100 = 120

120x = 480

X = 480/120

X = 4 months

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2 years ago