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Vlad1618 [11]
3 years ago
7

A school has 510 male students and 850 female students. If a student from the school is selected at random, what is the probabil

ity that the student would be a male?
- 0.5
- 1
- 0.375
- 0.625
Mathematics
1 answer:
Colt1911 [192]3 years ago
5 0

Answer:

0.375

Step-by-step explanation:

510 male out of a total of 1360

510/1360 = 0.375

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What is the value of x?<br><br><br>12 units<br><br>15 units<br><br>20 units<br><br>25 units
scZoUnD [109]

Answer:

∴ The value is 12 units

Step-by-step explanation:

From Geometric Mean Theorem we know that,

In a right triangle, the altitude from the right angle to the hypotenuse divides the hypotenuse into two segments.

The length of the altitude is the geometric mean of the lengths of the two segments.

So, Above theorem apply in the diagram;

\frac{ST}{RT}=\frac{RT}{TQ}

Plug RT=x , ST=9 and TQ=16 from diagram;

\frac{9}{x}=\frac{x}{16}

x^{2} =9\times 16

x^{2} =144

x=12

∴ The value is 12 units

4 0
3 years ago
Read 2 more answers
Of 15 possible​ books, you plan to take 6 with you on vacation. How many different collections of 6 books can you​ take?
Mekhanik [1.2K]

Answer:

5005

Step-by-step explanation:

6 C 15

(6, 15)

15! / (6! x 9!)

The answer is 5005

C is just a way to say the order the books are picked in is random and ! means factorial. Factorial is when you multiply all the previous numbers up to the number it is. For example, 5! = 1 x 2 x 3 x 4 x 5 and 2! = 1 x 2

6 0
3 years ago
Which sentence means Jack ate 2 ⁄ 4 of a pizza?
ale4655 [162]

what are the sentences? but 2/4, could also be 1/2 or a half

4 0
2 years ago
Please please please help and solve this with steps, much help needed thank you :) 20 points for this!
leonid [27]

Answer:

y=\sqrt{\frac{x^4-6x^2+12x+c_1}{2}},\:y=-\sqrt{\frac{x^4-6x^2+12x+c_1}{2}}

(Please vote me Brainliest if this helped!)

Step-by-step explanation:

\frac{dy}{dx}y=x^3+2x-5x+3

\mathrm{First\:order\:separable\:Ordinary\:Differential\:Equation}

  • \mathrm{A\:first\:order\:separable\:ODE\:has\:the\:form\:of}\:N\left(y\right)\cdot y'=M\left(x\right)

1. \mathrm{Substitute\quad }\frac{dy}{dx}\mathrm{\:with\:}y'\:

y'\:y=x^3+2x-5x+3

2. \mathrm{Rewrite\:in\:the\:form\:of\:a\:first\:order\:separable\:ODE}

yy'\:=x^3-3x+3

  • N\left(y\right)\cdot y'\:=M\left(x\right)
  • N\left(y\right)=y,\:\quad M\left(x\right)=x^3-3x+3

3. \mathrm{Solve\:}\:yy'\:=x^3-3x+3:\quad \frac{y^2}{2}=\frac{x^4}{4}-\frac{3x^2}{2}+3x+c_1

4. \mathrm{Isolate}\:y:\quad y=\sqrt{\frac{x^4-6x^2+12x+4c_1}{2}},\:y=-\sqrt{\frac{x^4-6x^2+12x+4c_1}{2}}

5. \mathrm{Simplify}

y=\sqrt{\frac{x^4-6x^2+12x+c_1}{2}},\:y=-\sqrt{\frac{x^4-6x^2+12x+c_1}{2}}

7 0
3 years ago
Read 2 more answers
In a survey of 364 children aged 19-36 months, it was found that 91 liked to eat potato chips. If a child is selected at random,
n200080 [17]

Answer: 0.75

Step-by-step explanation:

A survey of 364 children aged 19-36 months found that 91 liked to eat potato chips.

Total children surveyed= 364

Those that like to eat potato chips= 91

Those that don't like to eat potato chips= 364 - 91 = 273

Probability that the child chosen doesn't like to eat potato chips will be children that don't like to eat potato chips divided by total number of children surveyed.

= 273/364

= 0.75

4 0
3 years ago
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