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LiRa [457]
2 years ago
10

Solve 2x^2 - 12x + 20 = 0

Mathematics
1 answer:
Anvisha [2.4K]2 years ago
7 0
Is one of the answer choices no solution because that’s what I got.
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Please help. will give brainliest ​
vichka [17]

Answer:

  • B. The probability that the student received a grade better than C is 0.45

Step-by-step explanation:

<u>Total number of students:</u>

  • 15 + 30 + 35 + 16 + 4 = 100
<h3>Statements</h3>

A.

  • p(<D) = 4/100 = 0.04
  • 0.04 ≠ 0.2
  • Incorrect

B.

  • p(>C) = (30 + 15)/100 = 45/100 = 0.45
  • 0.45 = 0.45
  • Correct

C.

  • p(not A or B) = (100 - 15 - 30)/100 = 55/100 = 0.55
  • 0.55 ≠ 0.45
  • Incorrect

D.

  • p(B or C) = (30 + 35)/100 = 65/100 = 0.65
  • 0.65 ≠ 0.35
  • Incorrect

6 0
2 years ago
What is the answer to this decimal problem 0.32÷n=0.032
11111nata11111 [884]

10 because you know that the decimal moves one to the left if you are dividing by ten and one to the right if you are multiplying by ten.

Check your work. 0.32 divided by 10 is 0.032

6 0
2 years ago
Read 2 more answers
Find the value of this expression if x = -2.<br>x^2 – 8/x + 6​
xz_007 [3.2K]

Answer:

-1

Step-by-step explanation:

x^2 – 8

-----------

x + 6​

Let x = -2

(-2)^2 – 8

-----------

-2 + 6​

Exponents first

4 – 8

-----------

-2 + 6​

Then complete the numerator and denominator

-4

-----

4

Then divide

-1

5 0
3 years ago
Read 2 more answers
Ms.harper estimates that 125 students will attend the school dance. There was an actual total of 148 who attended the dance. Fin
Vladimir [108]

Answer:

The answer would be 118.4%

Step-by-step explanation:


4 0
2 years ago
Pls help me 10 points
zheka24 [161]

Answer:

Solve the equation for y. This will put the equation into slope intercept form.

y = mx + b

where m is the slope and b is the y-intercept

Step-by-step explanation:

4 0
3 years ago
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