i need help with this​

Answer:

60%

Step-by-step explanation:

Answer:

90

Step-by-step explanation:

Answer:

65 percent certain to get the job

Step-by-step explanation:

The given parameters are;

The chance that she gets the job if she receives a strong recommendation, P(J|S) = 80 percent = 0.8

The chance that she gets the job if she receives a moderately good recommendation, P(J|M) = 40 percent = 0.4

The chance that she gets the job if she receives a weak recommendation = 10 percent, P(J|W) = 0.1

The probability that the recommendation will be strong, P(S) = 0.7

The probability that the recommendation will be moderate, P(M) = 0.2

The probability that the recommendation will be weak, P(W) = 0.1

Therefore, the probability that she gets the job given any condition, is given as follows;

P(J) = P(J|S)×P(S) + P(J|M)×P(M) + P(J|W)×P(W)

∴ P(J) = 0.8 × 0.7 + 0.4×0.2 + 0.1×0.1 = 0.65

Therefore, she is 65 percent certain to get the job

According to the given statement The two real solutions of the equation x² = 100 are x = 10 and x = -10.

To find the two real solutions of the equation x² = 100, we need to take the square root of both sides of the equation.
Taking the square root of both sides, we get:

√(x²) = √100

Simplifying, we have:

|x| = 10

This equation tells us that the absolute value of x is equal to 10.

To find the two real solutions, we consider both the positive and negative values of x.

First, we consider the positive value:

|x| = 10

x = 10

Next, we consider the negative value:

|x| = 10

x = -10

Therefore, the two real solutions of the equation x² = 100 are x = 10 and x = -10.

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When solving the equation x² = 100, we find that there are two real solutions: x = 10 and x = -10.

The equation x² = 100 represents a quadratic equation in which the variable x is squared. To find the real solutions of this equation, we need to determine the values of x that satisfy the equation.

Step 1: Take the square root of both sides of the equation. √(x²) = √100

Simplifying, we get: x = ±10

Step 2: The two real solutions of the equation x² = 100 are x = 10 and x = -10.

In this case, the square root of 100 is 10, and since the equation involves the square of x, we have two possible values for x: 10 and -10. Both of these values satisfy the equation x² = 100.

Therefore, the two real solutions of the equation x² = 100 are x = 10 and x = -10.

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The system of linear equations given as ts x - y = 2 and 4x + 2y = 44 can be solved using either the substitution or elimination method. By applying the substitution method, we find that x = 8 and y = 6 satisfy both equations. Similarly, using the elimination method, we obtain the same solution.

To solve the system of equations, we used the substitution method by expressing one variable (x in this case) in terms of the other variable (y) in Equation 1. We substituted this expression into Equation 2 and solved for y. After finding the value of y, we substituted it back into Equation 1 to solve for x.

Alternatively, we used the elimination method by multiplying Equation 1 by 2 to eliminate the variable y. Adding Equation 1 and Equation 2 together allowed us to solve for x. Substituting the value of x back into Equation 1 or Equation 2 gave us the value of y.

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Answer: For your work try to just find the X or missing sides. once you find that match it with the degrees connecting to the next question. repeat until you get to finish.

Answer:

#1 is 80% #2 is 95% #3 is 33⅓% #4 is 15%

Step-by-step explanation:

divide the smaller # by the bigger number, giving you a decimal. move the decimal 2 times to the right and that is your percentage.

Answer:

Unit price = 4.96/16 = 0.31

$0.31

Step-by-step explanation:

The unit price of the turkey is $0.13

The unitary method is a method for solving a problem by the first value of a single unit and then finding the value by multiplying the single value. Unitary method is a technique by which we find the value of a single unit from the value of multiple devices and the value of more than one unit from the value of a single unit. It is a method that we use for most of the calculations in math.

Given;

Price of package of sliced turkey=$4.96

Number of slices in package= 16

Unit price= price of package/number of slices in package

               =4.96/16

               =0.31

Therefore, the value of each slice will be $0.13

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The values of all sub-parts have been obtained.

What is binomial distribution?

The binomial distribution with parameters n and p is the discrete probability distribution of the number of successes in a series of n independent experiments, each asking a yes-or-no question and each with its own Boolean-valued outcome: success or failure. It is used in probability theory and statistics.

As given,

Sample size, n = 9

P (doing a one-time fling), p = 0.05

q = 1 - p

q = 1- 0.05

q = 0.95

Binomial distribution:

P(X) = nCx*px*q^(n-x)

A) Evaluate the probability when no one has done a one-time fling.

P (no one has done a one-time fling) = P(0)

= 0.959

= 0.6302.

B) Evaluate the probability when at least one person has done a one-time fling.

P (at least one person has done a one-time fling) = 1 - P(no one has done a one time fling)

= 1 - 0.6302

= 0.3698.

C) Evaluate the probability when no more than two people have done a one-time fling.

P(no more than two people have done a one-time fling) = P(0) + P(1) + P(2)

= 0.6302 + 9x0.05x0.958 + 9C2 x 0.052x0.957

= 0.6302 + 0.2985 + 0.0629

= 0.9916.

Hence, the values of all sub-parts have been obtained.

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Answer:

not a right triangle

Step-by-step explanation:

right triangles are those that prove out to be true when you square the two smaller sides and the sum is equal to the square of the longest side

true or false?

10² + 12² = 14²

100 + 144 = 196

False, ∴ not a right triangle

Answer:

x=5

y=6

Step-by-step explanation:

a) 3x=15

      /3

x=5

b) y+7=13

      -7

y=6

The formula ∫Cz^n dz = (z^(n+1))/(n+1) holds true for every contour C extending from z1 to z2, using antiderivative  F(z) of z^n as F(z) = (z^(n+1))/(n+1) + C.

Let's consider the contour integral of z^n with respect to z over a contour C extending from z1 to z2. We can use the Fundamental Theorem of Calculus to evaluate this integral by finding an antiderivative of z^n.

We have the antiderivative F(z) of z^n as F(z) = (z^(n+1))/(n+1) + C, where C is a constant of integration.

Now, applying the Fundamental Theorem of Calculus, we can evaluate the integral ∫Cz^n dz by subtracting the value of F(z) at the endpoints:

∫Cz^n dz = F(z2) - F(z1) = [(z2)^(n+1)/(n+1) + C] - [(z1)^(n+1)/(n+1) + C]

= (z2^(n+1) - z1^(n+1))/(n+1)

Therefore, we have shown that for every contour C extending from z1 to z2, the integral of z^n with respect to z is given by (z2^(n+1) - z1^(n+1))/(n+1). This formula holds true for any nonnegative integer n.

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The cost function, c(x), includes the point (40, 390)

A function is a rule that maps input variables to output variables, with each input producing exactly one output.

The cost functions the chef uses to estimate the cost of the fixed price menu for x guest are ppresented as follows;

The function for the anticipated cost of appetizers, a(x) = 3.25·x

The function for the anticipated cost for the main course, m(x) = 5.25·x

The cost function for the anticipated cost of the desert, d(x) = 1.25·x

The function for the combined function, which is the cost of the fixed price menue is therefore;

c(x) = a(x) + m(x) + d(x)

The po

The point included in the function, c(x) (40, can be found by plugging in the value, x = 40 in the cost function c(x) = a(x) + m(x) + d(x). as follows;

The point on the cost function is; (40, (c(40))

c(40) = a(40) + m(40) + d(40)

c(40) = 3.25 × 40 + 5.25 × 40 + 1.25 × 40 = 390

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Answer:

Sarah is right.

4/5 = 8/10

Step-by-step explanation:

A proportion is when you set up two ratios (they look like fractions) equal to each other.

4/5 ?=? 8/10

CROSSMULTIPLY.

4×10 ?=? 5×8

40 = 40

They are equal to each other. You could kind of tell by inspection. Like if you times the 4/5 × 2/2 you get 8/10.

Another way to check on a calculator is to divide. 4÷5 equals 0.8 ALSO, 8÷10 same, also equals 0.8

Answer:

3 a^5

Step-by-step explanation:

d/da((24 a^3 a^2)/8) = 15 a^4

Answer:

See attached image.

Step-by-step explanation:

Answer:

y = 1/2x + 4

Step-by-step explanation:

The slope intercept form is y = mx + b

m = the slope

b = y-intercept

Slope = rise/run or (y2 - y1) / (x2 - x1)

Points (-2,3) (2,5)

We see the y increase by 2 and the x increase by 4, so the slope is

m = 2/4 = 1/2

The y-intercept located at (0,4)

So, the equation is y = 1/2x + 4

Answer:

\(x = \frac{9}{5} \)

Step-by-step explanation:

\( - 7( - 7 \times ( - x - 1)) = 6 (- \times ( - 2x - 3))\)

\( - 7 + 7x + 7 = 6 + 2x + 3\)

\(7x - 2x = 6 + 3 + 7 - 7\)

\(5x = 9\)

\( \frac{5x}{5} = \frac{9}{5} \)

\(x = \frac{9}{5} \)

sfdfgjhndghjStep-by-step explanation:

Answer:

The answer is J.

Step-by-step explanation:

To find the slope of the line, pick two dots on that are EXACTLY on the grid.

I picked (0,3) and (2,2)

First, count how many units down the two points are from each other

I counted one.

Then, count how many units they are away from the side.

I got 2.

Slopes are rise over run or y over c so the slope is 1/2

The line is negative, too as it is going down so the slope is negative.

Therefore, the slope is -1/2 and only one option have a slope of -1/2 and it’s J

Also, to know which number is the slope look for the number before the x. In slope intercept form, that is the slope.

Answer:

  x²/9 +y²/64 = 1

Step-by-step explanation:

You want the figure defined by x = 3sin(θ) and y = 8cos(θ) to be described by an equation in rectangular form.

The trig identity sin(x)² +cos(x)² = 1 is helpful here.

  x = 3sin(θ)   ⇒   x/3 = sin(θ)

  y = 8cos(θ)   ⇒   y/8 = cos(θ)

Combining these using the above identity, we have ...

  (x/3)² +(y/8)² = 1 . . . . . . the equation of an ellipse

We can simplify the denominators to ...

  x²/9 +y²/64 = 1

__

Additional comment

The attached graph uses different colors and textures to show the two forms of expressing the graph result in the same figure.

Answer:

\(x=24.5\\\)

Step-by-step explanation:

So we have the equation:

\((5x-25)+(3x+9)+180\)

Combine like terms:

\((5x+3x)+(-25+9)=180\)

Add:

\(8x-16=180\)

Add 16 to both sides:

\(8x=196\)

Divide both sides by 8:

\(x=24.5\\\)

So, our answer is 24.5 :)

The equation 3+7+2=+2 is actually not true, but false.

The equation 3+7+2=+2 is actually not true, but false. This is because the sum of 3, 7, and 2 is 12, not 2.

In general, an equation is considered true if the expressions on both sides of the equal sign are equivalent in value. In this case, the expressions on the left-hand side (3+7+2) and the right-hand side (+2) are not equivalent, and therefore the equation is false.

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Toni had 17 points, Effie had 25 points and Linda had 18 points.

The question is asking to find the number of points each girl had in a girl's basketball game. To find out how many points Effie had, you must multiply Toni's points by 3, subtract 8, and then multiply the difference by 2. To find out how many points Linda had, you must add 9 to Toni's points and divide the sum by 3. The given information is that Effie scored 9 more than Toni and Linda combined.

Formula and Calculation:

Toni's Points = x

Effie's Points = 3x-8

Linda's Points = (x+9)/3

Effie scored 9 more than Toni and Linda combined, so:

3x-8 = x+9/3 + 9

2x-8 = x+9

x = 17

Therefore, Toni had 17 points, Effie had 25 points and Linda had 18 points.

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Answer:

D. b > 3 2/15

Step-by-step explanation:

Answer:

A

Step-by-step explanation:

It would be A,

As we can see, p*c =60 for every value in the chart. We can rearrage this to get c=60/p

I hope this helped! :)

a) A time series plot of the data can be constructed in Excel by creating a line graph with the time (T) in the X-axis and the data points (Yt) in the Y-axis. The pattern that exists in the data is a decreasing linear trend.

b) The parameters for the line that minimizes MSE for this time series can be found using Excel Solver or LINGO. The line would be of the form Yt = a - bT, where a and b are the parameters to be found.

c) The forecast for t = 8 would be Y8 = a - b(8) = 88.

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Answer:((2x^3)^4)/1x^2

Step-by-step explanation:

(2x^3)^4)=((2x)^4)(^3 times ^4)=16x^12

16x^12/1x^2=(16x/1x)(x^12-2)