at wassamatta university, 55.7% of the student body are males. choose one student at random. what is the probability that the student is a female?

Answers

Answer 1

Answer: 100% - 55.7%

= 100% - 55% - 0.70%

= 45% - 0.70%

= 44.30%

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This means that the probability of selecting a female student at random is 44.3% as a percentage.

Answer 2

Answer: Since 55.70% is male, out of the 100% student populace, the probability that the student is a female is 44.30%.

100% - 55.70% = 44.30%

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Three less than y is -19

Answers

Answer:

y = -16

Step-by-step explanation:

x - 3 = -19

-19 + 3 = -16

Answer:

y=-16

Step-by-step explanation:

y-3=-19. Add three to both sides. y=-16

Solve this system of equations: 2x+y=11 y=x-1

Please explain how you got it and try to explain your steps!

Answers

Use the substitution method to solve.

2x+y=11
y=x-1

We have the value for y, so put it in the first equation.

2x + x - 1 = 11
2x + x = 3x
3x - 1 = 11
+ 1 +1

3x = 12
x = 4

Now solve for y

y=x-1
y = 4 - 1
y = 3

Answer: y = 3 and x = 4

What is 2x times x squared?

Answers

We want to multiply the monomial $2x$ by the monomial $2x^2$ .

Remember that to multiply monomials we need to use the laws of exponents; in this case, the law for multiplying powers with the same base. The rule says that, when you multiply powers of the same base, you just need to add the exponents: $(a^m)(a^n)=a^(m+n)$ , $(x^2)(x^4)=x^(2+4)=x^6$ . Also, is worth pointing out that the exponent of a variable with no exponent is 1: $x=x^1$ .

Remember that we also need to multiply their coefficients , which are the numbers that multiply the variables; again, variables with no numbers have a coefficient of 1, so $x=1x$ . Multiply coefficients is easy, you just need to multiply them as you usually do with everyday numbers.

Let's apply all of that to our multiplication:

$(2x)(x^2)=(2x^1)(1x^2)=2*1x^(1+2)=2x^3$

We can conclude that 2x times x squared is 2x cubed.

$2x$ times $x$ is $\boxed{\bf 2x^(3)}$ .

Further explanation:

A monomial is an expression which contains one term and a monomial includes numbers and variables which are multiplied together. The constant term is multiplies with an another constsnt term and the variable is multiplies with an another variable term.

Law of exponent:

Product with same base: If we multiply the same bases with different exponents then the base remains the same and the exponents are added in the final product.

Calculation:

Now, we are given the two monomials as $2x$ and $x^(2)$ .

Multiplying both the monomials as follows:

$\boxed{2x\cdot x^(2)}$

Here, $x$ is a variable and $x$ has power $1$ in the first monomial and $x$ has power $2$ in the second monomial.

Using the mentioned law of exponents as the variable $x$ is similar in both the monomial and add the powers of both as follows:

$\boxed{\begin{aligned}2x\cdot x^(2)&=2x^(1+2)\n&=2x^(3)\end{aligned}}$

Therefore, $2x$ times $x$ is $\boxed{\bf 2x^(3)}$ .

Learn more

1. Problem on the whole numbers are positive integers brainly.com/question/1852063.

2. Problem on the adding and simplifying the numbers brainly.com/question/894273

3. Problem on general form of the equation of the circle brainly.com/question/1506955

Answer details:

Grade: Middle school

Subject: Mathematics

Chapter: Polynomials

Keywords: Trinomials, binomials, monomials, polynomials, variables, exponents, real numbers, degree of polynomials, equations, expressions, coefficients, zero polynomial, constants, integers, function, domain, range, codomain, graph, abscissa, coordinates, roots of polynomials, bivariate polynomials.

What is the value of 4a3 – 2b2 + 5 when a = 3 and b = −2

Answers

4a^3-2b^2+5
4(3)^3-2(-2)^2+5
4(27)-2(4)+5
108-8+5
100+5
105

For this cylinder the radius r = 6.8 inches and the height L = 14.2 inches. Which is the BEST estimate for the volume? (Use π = 3.14)

Answers

Volume of the sphere will be calculated as 2061.74912 inches cube.

How to calculate volume of the cylinder?

The volume of the cylinder can be estimated by the product of area of the base of the cylinder and height of the cylinder.

V=πr²L

where L is the height of the cylinder and r is radius of the base of the cylinder.

radius r=6.8 inches

the height L=14.2 inches

volume of cylinder

=πr²L

=π(6.8)²14.2

=3.14(6.8)²14.2

=2061.74912 inches cube

Therefore, volume of the sphere will be calculated as 2061.74912 inches cube.

Learn more about the volumeofcylinder

here: brainly.com/question/9554871

#SPJ2

Answer:

2062.79 inches cubed

Step-by-step explanation:

Formula- πr2h

= π×6.82×14.2

= 656.608π

= 2062.7948690883 inches cubed

The expression 4x/5 - 2x/5 is equivalent to...a.) x/2
b.) x/5
c.) x/15
d.) 2x/15

Answers

If you would like to know the equality of the expression 4 * x/5 - 2 * x/5, you can calculate this using the following steps:

4 * x/5 - 2 * x/5 = (4 - 2) * x/5 = 2 * x/5

The correct result is 2 * x/5, which is none of the results written above.

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