Ivan has $1098 worth of $12 and $14 stock shares. The number of $14 shares is seven more than
twice the number of $12 shares. How many of each does he have?
Number of 12$ Shares?
Number of 14$ Shares?

Answer:

18.333

Step-by-step explanation:

Speeding up velocity for 5 seconds, same speed for another 10 seconds, slows down for 10 seconds.

Answer: y = (x - 1)² - 3

Step-by-step explanation:

y = (1-1)²-3
y=0-3
y=-3

Answer: 1.1

Step-by-step explanation:

Expected value is the weighted average of the various possibilities and their probability of occurring.

The probabilities represented are:

0.35, 0.35, 0.15 and 0.15.

They add up to:

= 0.35 +0.35 + 0.15 + 0.15

= 1

The possibilities are; 0, 1, 2 and 3.

Expected value = (0.35 * 0) + (0.35 * 1) + (0.15 *2) + ( 0.15 * 3)

= 1.1

Answer: (A)c and e

(B) 4.8 times

Step-by-step explanation:

Answer:

(4n^2 + 1) (2n+1) (2n-1)

Step-by-step explanation:

use difference of squares

if my answer is correct, pls mark this is brainliest! thanks!

Since both terms are perfect squares, factor using the difference of squares formula,

a² − b² = (a + b) (a − b) where a = 4n² and b=1.

(4n² + 1) (2n + 1) (2n − 1)

Answer: 400

Step-by-step explanation:

F(5)= 3.(5)+2=15+2=17

Another example: F(0)=3.(0)+2=0+2=2

You just replace the value in the two sides.

The amount remaining after 6, 3, and 1 years following 2, 7, and 4 would be 8, 4, and 0, respectively.

Amount is a quantity or measure of something, such as a number of items, money, or time. It is often used to refer to an amount of money or a measure of quantity, such as an amount of goods or services. Amount is often used as a noun and can also be used as a verb, as in "to amount to something."

Six years after 2, 7, and 4, the remaining numbers would be 8, 4, and 5. Three years after 2, 7, and 4, the remaining numbers would be 5, 1, and 0. One year after 2, 7, and 4, the remaining numbers would be 3, 8, and 5.

Therefore, the amount remaining after 6, 3, and 1 years following 2, 7, and 4 would be 8, 4, and 0, respectively.

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Complete questions as follows-

How much will remain 6,3,1 years after 2,7 and 4 years.

True

From PEMDAS, multiplication(M) comes before addition

so we multiply before we add

The formula for the centripetal force, as a function of the radius, is given as follows:

F = 896/r.

The equation that defines a direct proportional relationship is given as follows:

y = kx.

In which k is the constant of proportionality.

For an inverse proportional relationship, the equation is given as follows:

y = k/x.

The centripetal force varies inversely with the radius, hence the equation is given as follows:

F = k/r.

When F = 56, r = 16, hence the constant k is obtained as follows:

56 = k/16

k = 56 x 16

k = 896.

Hence the equation is given as follows:

F = 896/r.

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Answer:

d

Step-by-step explanation

boys are strong like king kong,girls are weak chuck them in the creak

Answer: 3

Step-by-step explanation:

Given

factor the expression

The correct answer is Option C

Answer:

5/6 OR 0.83 (with the three repeating)

Hope that helps!

Step-by-step explanation:

Answer:

I think 2hours

Step-by-step explanation:

but I'm not sure

The slope of the tangent line is:

a = (df(x1)/dx)

The slope of the normal one is:

a' = -1/(df(x1)/dx)

For any function y = f(x), we define the slope of the tangent line at the point x as the derivative evaluated in x.

So if we want to find the slope of the tangent line at the point (x1, y1), we just need to differentiate and evaluate in x1, then the slope will be given by:

df(x1)/dx

And the normal slope is the slope of the perpendicular line, two slopes are perpendicular if the product is -1, then:

a*(df(x1)/dx) = -1

a = -1/(df(x1)/dx)

Where df/dx reffers to the derivative of f(x).

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Answer:

x = -12

Step-by-step explanation:

This is a vertical line, so the equation will be of the form x = k, where k is any x-value.

The conclusion that x = -12 was found because the x-value in the point was -12.

This circumstance may happen if one of the RHS coefficients is 0. The objective value and solution remain the same in this situation, but there are still variables. Degeneracy describes this condition.

The energy levels in a three-dimensional box are provided by the formula E = (h2/8m) [(n x2/a2) + (n y2/b2) + (n z2/c2)].

where n x, n y, and n z are the quantum numbers for the x, y, and z dimensions, respectively, and h is Planck's constant, m is the particle'smass, a, b, and c are the dimensions of the box.

The amount of various quantum number combinations that result in the same energy is the degeneracy of an energy level.

The degeneracies of the first four energy levels for a three-dimensional box with a=b=1.5c are as follows:

1 degeneracy at first energy level (n=1)

Third degeneracy at second energy level (n=2)

6 degeneracies at third energy level (n=3)

10 degeneracies at energy level four (n = 4)

Hence, This circumstance may happen if one of the RHS coefficients is 0. The objective value and solution remain the same in this situation, but there are still variables. Degeneracy describes this condition.

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Answer:

Approximately Normal

Step-by-step explanation:

The sample size is large (n=50≥30), so the sampling distribution of the sample mean will be approximately normal even though the population is skewed.

You need to find the area of the hexagon, and the area of the triangle.

The formula for the area of a triangle is

\(a = \frac{bh}{2} \)

I hope this helps you a little.

Answer:

93.5 units^2

Step-by-step explanation:

a^2+b^2=c^2

a=3

b=?

c=6

b=√6^2-3^2

b=3√3=5.196

5.196×3=15.5884

15.5884×6

Answer:

Answer- 0

Step-by-step explanation:

2+2+2-2+4-8= 4-2+4-8=0

hope this helps :)

Answer:

Z = \(\frac{0.11-0.08}{\sqrt{0.08*0.92/200} }\)   = 1.6  

we reject the Null hypothesis

Step-by-step explanation:

The correct test statistic

Assume :

Null Hypothesis :  H_0 : p = 0.08

Alternative hypothesis : H_a : p ≠ 0.08

p = proportion of residents that are unemployed

x = unemployed residents = 22

n = sample size = 200

To get the sample of the population that is unemployed we use this equation

\(p = \frac{X}{n}\)  =  22 / 200   = 0.11

now we apply the test of of significance of single proportion

= Z = \(\frac{p - P}{\sqrt{pq/n} }\)

therefore Z = \(\frac{0.11-0.08}{\sqrt{0.08*0.92/200} }\)   = 1.6

Therefore we reject the Null hypothesis

Testing the hypothesis, it is found that the test statistic used is z = 1.6.

At the null hypothesis, it is tested if the proportion is of 8%, that is:

\(H_0: p = 0.08\)

At the alternative hypothesis, it is tested if the proportion is different of 8%, that is:

\(H_1: p \neq 0.08\)

The test statistic is given by:

\(z = \frac{\overline{p} - p}{\sqrt{\frac{p(1-p)}{n}}}\)

In which:

For this problem, the parameters are: \(p = 0.08, n = 200, \overline{p} = \frac{22}{200} = 0.11\)

Hence, the value of the test statistic is:

\(z = \frac{\overline{p} - p}{\sqrt{\frac{p(1-p)}{n}}}\)

\(z = \frac{0.11 - 0.08}{\sqrt{\frac{0.08(0.92)}{200}}}\)

\(z = 1.6\)

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The correct interpretation of the final answer of 7 is as given below:

(7, 0); After selling 7 items, Samuel will have a positive profit.

How is the intercept determined?

The intercept of the modelled function is derived by equation the function to zero, in other words, the intercept is the point at which the y and x axes meet

S(x) = 40x − 280

40x-280=0

40x=280

x=280/40

x=7

The clear interpretation of 7 is that the company needs to sell to make a profit

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Answer:

47.1cm²

Step-by-step explanation:

diameter=15cm

circumference of circle= d×3.14

circumference=15×3.14

circumference=47.1

Answer:

Step-by-step explanation:

\(2n + 3 = -3. 2\\\\\mathrm{Subtract\:}3\mathrm{\:from\:both\:sides}\\\\2n+3-3=-3.2-3\\\\Simplify\\\\2n=-6.2\\\\\mathrm{Divide\:both\:sides\:by\:}2\\\\\frac{2n}{2}=\frac{-6.2}{2}\\\\Simplify\\\\n=-3.1\)

Answer:

B. There is sufficient sample evidence to support the claim that the true mean weight, in ounces, of all Colgate toothpaste tubes is not 6 oz.

Step-by-step explanation:

A two-tailed hypothesis test is performed.

The null and alternative hypothesis are:

\(H_0: \mu=6\\\\H_a:\mu\neq 6\)

The P-value calculated in this test is 0.0104.

As this P-value (0.0104) is smaller than the significance level (0.05), the effect is significant.

The null hypothesis is rejected.

There is enough evidence to support the claim that the mean fill volume differs significantly from 6 oz.

A pattern when a binomial can be written as the square of one number minus the square of another number will be 4x² - 9 = (2x-3)(2x + 3)

Binomial is the name for an algebraic expression with only two terms. It is a polynomial with two terms. It is sometimes referred to as the sum or difference of two or more monomials. It is a polynomial's most basic form.

It should be noted that a binomial is an algebraic expression that has two non-zero terms. Examples of a binomial expression: a2 + 2b is a binomial in two variables a and b. 5x³ – 9y² is a binomial in two variables x and y.

In this case, the illustration for 4x² - 9 = (2x-3)(2x + 3) depicts this.

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