-(-10x-8)=-(4x+10)
A)-4
B)-2
C)-3
D)3
show work

Answer:

5.3

Step-by-step explanation:

sin24 = x/13

x = sin24(13) = 5.3

Answer:

Step-by-step explanation:

He added 18 on both sides instead of subtracting 18 on both sides

X+18-18<22-18

X<4

Answer:

63.4°

Step-by-step explanation:

y = 2x - 1

dy/dx = 2

∴ The angle is arc tan(2) = tan^-1(2) = 63.4°

Answer:

2/5

Step-by-step explanation:

This is because the whole wall is 5/5 (5/5 = 1 whole).

5/5 - 3/5 = 2/5

When we add or subtract like fractions, we ignore the same denominator, and just add or subtract the numerator.

Hope this helps.

Researchers must use experiments to determine whether causal relationships exist between variables.

Experiments are an essential tool in research to investigate causal relationships between variables. While other research methods, such as correlational studies, can identify associations between variables, experiments provide a stronger basis for establishing cause-and-effect relationships. In an experiment, researchers manipulate an independent variable and observe the effects on a dependent variable while controlling for potential confounding factors. The use of experiments allows researchers to establish a level of control over the variables under investigation. By randomly assigning participants to different conditions and manipulating the independent variable, researchers can examine the effects on the dependent variable while minimizing the influence of extraneous factors. This control enables researchers to determine whether changes in the independent variable cause changes in the dependent variable, providing evidence of a causal relationship. Experiments also allow researchers to apply rigorous designs, such as double-blind procedures and randomization, which enhance the validity and reliability of the findings. Through systematic manipulation and careful measurement, experiments provide valuable insights into the nature of relationships between variables and help researchers draw more robust conclusions about cause and effect.

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Answer:

b

Step-by-step explanation:

Using the trigonometric identity

secx = \(\frac{1}{cosx}\) and cos60° = \(\frac{1}{2}\)

Given

sec [ \(sin^{-1}\) \(\frac{\sqrt{3} }{2}\) ] ← evaluate bracket

= sec60°

= \(\frac{1}{cos60}\)

= \(\frac{1}{\frac{1}{2} }\)

= 2 → b

Answer:

2.5 pages an hour

Hope this helps! Sorry if I'm wrong!

Answer:

5x + 6

Step-by-step explanation:

3X + 2X = 5X

4 + 2 = 6

5X + 6 IS SIMPLIST FORM

Answer:

5x +6

Step-by-step explanation:

Answer:

\(\displaystyle 1\frac{2}{5}=\frac{7}{5}\)

Step-by-step explanation:

\(\displaystyle a\frac{b}{c}=\frac{ac+b}{c}\\\\1\frac{2}{5}=\frac{(1)(5)+2}{5}=\frac{5+2}{5}=\frac{7}{5}\)

Answer:

After 2 hours the Red Cross raises $250 and after 6 hours it raised a total of $785. What's the average rate of change in terms of dollars per hour? Add answer. Log in to add ... If we start with 5 cells, and each cell divides in two every 15 minutes, how many total after 1 hour? if you what 3x +2/w is than you ...

Step-by-step explanation:

A. 1 2/3 cheese pizza was eaten

3/4 pepperoni pizza was eaten

In total

The total pizza that was eaten is

Convert the mixed fraction to improper fraction

This gives

Add the fractions

Therefore the total pizza that was eaten is

B. If the total pizzas ordered is 4

The leftover pizza is

Substract

Therefore, the leftover pizza is

The most appropriate choice for profit and loss will be given by

Uncle Ben will feed his cows 2 pounds of grain supplement.

What is profit and loss?

If the selling price is more than the cost price, then the difference between the selling price and the cost price will give the profit.

If the selling price is less than the cost price, then the difference between the selling price and the cost price will give the loss.

Here,

For 1 pound

Cost price of grain supplement  = \(0.70 \times 1\)

                                                      = $\($0.70\)

Selling price of milk = \(0.20 \times 5\)

                                 = $\(1\)

Profit = $(\(1 - 0.70\))

         = $0.30

For 2 pounds

Cost price of grain supplement  = \(0.70 \times 2\)

                                                      = $\($1.40\)

Selling price of milk = \(0.20 \times 9\)

                                 = $\(1.80\)

Profit = $(\(1.80 - 1.40\))

         = $0.40

For 3 pounds

Cost price of grain supplement  = \(0.70 \times 3\)

                                                      = $\($2.10\)

Selling price of milk = \(0.20 \times 12.3\)

                                 = $2.46

Profit = $(\(2.46 - 2.10\))

         = $0.36

For 4 pounds

Cost price of grain supplement  = \(0.70 \times 4\)

                                                      = $\($2.80\)

Selling price of milk = \(0.20 \times 15.5\)

                                 = $3.1

Profit = $(\(3.1 - 2.80\))

         = $0.30

For 5 pounds

Cost price of grain supplement  = \(0.70 \times 5\)

                                                      = $\($3.50\)

Selling price of milk = \(0.20 \times 18\)

                                 = $3.60

Profit = $(\(3.60 - 3.50\))

         = $0.10

For 6 pounds

Cost price of grain supplement  = \(0.70 \times 6\)

                                                      = $\($4.20\)

Selling price of milk = \(0.20 \times 20\)

                                 = $4

Loss = $(\(4.20 - 4\))

         = $0.20

For 7 pounds

Cost price of grain supplement  = \(0.70 \times 7\)

                                                      = $\(4.90\)

Selling price of milk = \(0.20 \times 21.5\)

                                 = $\(4.30\)

Loss = $(\(4.90 - 4.30\))

         = $0.60

For 8 pound

Cost price of grain supplement  = \(0.70 \times 8\)

                                                      = $\($5.60\)

Selling price of milk = \(0.20 \times 22.5\)

                                 = $\(4.50\)

Loss = $(\(5.60 - 4.50\))

         = $1.10

For 9 pounds

Cost price of grain supplement  = \(0.70 * 9\)

                                                      = $\(6.30\)

Selling price of milk = \(0.20 * 23\)

                                 = $\(4.60\)

Loss = $(\(6.30 - 4.60\))

         = $1.70

Since profit from 2 pounds of grain supplement is the most, Uncle Ben will feed his cows 2 pounds of grain supplement.

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Complete Question

Farmer Ben knows that feeding a grain supplement to his cows will produce more milkaccording to the following schedule:

ignoring all other issues, how many pounds of grain supplement should farmer ben feed his cows if the price of milk is $0.20 per pound and the price of grain supplement is $0.70 per pound?

The table has been attached here

Answer:

the answer is 6 ___________________________

Answer: 6 hours

Step-by-step explanation:divide 234 by 13 234/13 you get

18 divide 108 by 18 and then you get

6

Answer:

Step-by-step explanation:

Answer for this question is option (c) 0.2344

Approach:

The probability of getting a Head in single toss

x= 1/2

The probability of not getting a Head in single toss

y= 1 - 1/2 = 1/2

Now, using Binomial Theorem, the probability of getting r = 2 heads in total n = 6 tosses

= ⁶C₂ * (1/2)² * (1/2)⁶⁻²

= [ (6!) / (2! * 4!) ] * (1/4) * (1/16)

= [ (6*5*4*3*2*1) / (2*1 * 4*3*2*1) ] * (1/64)

= 15/64

= 0.234374

= 0.2344 (Round off value)

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Given:

A fair coin is tossed 6 times.

To find:

Probability that you will toss exactly 2 heads.

Probability that you will get a head in a single toss is: Q = 1/2

Probability that you will not get a head in a single toss is: R = 1 – 1/2 = 1/2

We use Binomial Theorem to find the probability of getting 2 heads (x) in a total of 6 tosses (n)

Probability = ⁶C₂ x (1/2)² x (1/2)⁶⁻²

Probability = [(6!) / (2! x 4!)] x (1/4) x (1/16)

Probability = [(6 x 5 x 4 x 3 x 2 x 1) / (2 x 1 x 4 x 3 x 2 x 1)] x (1/64)

Probability = 15 / 64

Probability = 0.234374

Probability = 0.2344

Therefore, the probability of getting exactly 2 heads in 6 tosses is 0.2344

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Answer:

The answer is 0.03

Step-by-step explanation:

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The probability that the first three questions have the same answer choice is 1/4, since there are four answer choices and the instructor is randomly selecting the answers according to a discrete uniform distribution. This means that each answer choice has an equal probability of being chosen. Therefore, the probability of all three questions having the same answer is 1/4.

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Answer:

0.87 inches (or if it meant after 3.5 more hours, 4.37 inches)

Step-by-step explanation:

15/3.5 is 4.29(rounded to the nearest hundredth)

3.75/4.29= 0.87 inches

(or if it meant after 3.5 more hours)

3.5+0.87= 4.37

The answer to the integral 0∫π/3 cos⁴xsinx dx using a u-substitution is -5/24 - √3/24, or approximately -0.315.To use a u-substitution to evaluate 0∫π/3 cos⁴xsinx dx, we will use the following steps:

Step 1: Choose a u-substitution that simplifies the integral. In this case, we will let u = cosx, which will allow us to rewrite the integral as 0∫1 u⁴(1-u²)du.

Step 2: Substitute the expression for u into the integral, and simplify. Using the substitution u = cosx, we have:

0∫π/3 cos⁴xsinx dx = 0∫1 u⁴(1-u²)du

Step 3: Evaluate the integral using standard integration techniques. Integrating u⁴(1-u²) with respect to u, we get:

∫ u⁴(1-u²)du = (1/5)u⁵ - (1/3)u³ + C

Step 4: Evaluate the integral from 0 to 1 using the substitution u = cosx. Substituting back, we have:

0∫π/3 cos⁴xsinx dx = (1/5)cos⁵x - (1/3)cos³x ∣₀ᴰ³/₃

Evaluating this expression at the limits of integration, we get:

(1/5)(cos⁵(π/3) - cos⁵(0)) - (1/3)(cos³(π/3) - cos³(0))

Simplifying, we get:

(1/5)(27/64 - 1) - (1/3)(3√3/8 - 1)

= -1/120 (27 - 64) - √3/24 + 1/3

= -5/24 - √3/24

Therefore, the answer to the integral 0∫π/3 cos⁴xsinx dx using a u-substitution is -5/24 - √3/24, or approximately -0.315.

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We can, probability of completing a given optional assignment is 0.16, expect about 4.16 students out of the 26 to complete the optional assignment.

The expected number of students that will complete the assignment can be found using the formula:

E(X) = np

where X is the random variable representing the number of students who complete the assignment, n is the sample size, and p is the probability of completing the assignment.

Substituting the given values, we get:

E(X) = 26 * 0.16

E(X) = 4.16

Therefore, we can expect about 4.16 students out of the 26 to complete the optional assignment. Since we can't have a fractional part of a student, we can round this up or down to the nearest whole number as needed.

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By performing these statistical computations, you can analyze and interpret the central tendency of your dataset, which helps in understanding the overall pattern and distribution of the data.

It looks like you're seeking information on further statistical computation related to mean, mode, and median.

To calculate the mean, mode, and median of a dataset, follow these steps:

1. Mean: The mean is the average of all data points in a dataset.
  - Step 1: Add up all the data points.
  - Step 2: Divide the sum by the total number of data points.

2. Mode: The mode is the data point that occurs most frequently in a dataset.
  - Step 1: Count the frequency of each data point.
  - Step 2: Identify the data point(s) with the highest frequency.

3. Median: The median is the middle value in a dataset when the data points are arranged in ascending order.
  - Step 1: Arrange the data points in ascending order.
  - Step 2: If there is an odd number of data points, the median is the middle value. If there is an even number of data points, the median is the average of the two middle values.

By performing these statistical computations, you can analyze and interpret the central tendency of your dataset, which helps in understanding the overall pattern and distribution of the data.

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a. The most typical case is desired: Mode. The mode is a useful measure of central tendency when the most typical or common value is of relevance since it denotes the value or category that occurs most frequently in a data collection.

b. The distribution is open-ended: Median. The median is the middle value in a data set when arranged in ascending or descending order. It is a suitable measure of central tendency when the distribution is open-ended or skewed, as it is less affected by extreme values compared to the mean.

c. The data collection has an extreme value: the median. The median is less sensitive to extreme values compared to the mean, making it a better measure of central tendency in data sets with extreme values or outliers.

d. The data are categorical: Mode. The mode is appropriate for categorical data, as it represents the most frequently occurring category or value in the data set.

e. Further statistical computations will be needed: This statement does not indicate a specific measure of central tendency. Further statistical computations may be needed to determine the appropriate measure of central tendency depending on the characteristics of the data and the specific objectives of the analysis.

f. The numbers should be split into two roughly equal groups, one of which should contain the higher values and the other should contain the smaller values: Median.  The median is the value that separates a data set into two equal halves, making it suitable for dividing data into two approximately equal groups based on their values.

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COMPLETE QUESTION-

For these situations, state which measure of central tendency - mean, median, or mode-should be used.

a. The most typical case is desired.

b. The distribution is open-ended.

c. There is an extreme value in the data set.

d. The data are categorical.

e. Further statistical computations will be needed.

f. The values are to be divided into two approximately equal groups, one group containing the larger values and one containing the smaller values.

When you rewrite subtraction using the additive inverse, you add the opposite. That is, -5 becomes +(-5).

The appropriate choice is ...

... 4 + (−5) A horizontal number line is shown with labels from negative 8 to positive 8. A blue arrow begins at 0 and goes to 4. A red arrow begins at 4 and goes to negative 1.

Answer:

The first one is $0.12

The second one is $0.14

Step-by-step explanation:

Have a blessed day and remember to keep smiling! :)
Hope this helps! :)

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Answer:

The first box is $0.12 Second box is $0.14

Step-by-step explanation:

1.20 ÷ 10 = .12

1.12 ÷ 8 = .14

Answer:

2/5; 1/2; 2/3; 14/10; 2/6

Step-by-step explanation:

When finding equivalent fractions, multiply or divide both the numerator and denominator by the same number.

4/10 = 2/5 because 4÷2=2 and 10÷2=5

The same thing has been done to both the numerator and denominator (in this case they have both been divided by 2)

The random value can take on any value from 0.0 (inclusive) to 0.9999999999999999 (exclusive).

The Math class's static method randomly generates a random double value in the range from 0.0 (inclusive) up to but not including 1.0 (exclusive). This means that the correct option is b. up to and including 1.0.

When you call Math. random(), it returns a random double value greater than or equal to 0.0 and less than 1.0. The generated value can range from 0.0 (inclusive) to 0.9999999999999999 (exclusive), which is effective up to but not including 1.0.

For example, if you were to write the following code snippet:

double random value = Math.random();

The random value can take on any value from 0.0 (inclusive) to 0.9999999999999999 (exclusive).

Therefore, it's important to note that Math. random() generates pseudo-random numbers based on an algorithm and seed value. If you need random numbers within a specific range, you can use the Math. random() method in conjunction with other arithmetic operations to scale and shift the range as required.

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The area of a rhombus is given by the formula A = (base x height)/2. Plugging in the values, we get A = (17 x 14)/2 = 119 \(in^2\). Therefore, the area of the rhombus is 119 square inches.

The area of a rhombus can be calculated as the product of its diagonals divided by 2, or as the product of its base and height.

In this case, we have the height and need to find the length of one diagonal. Since the opposite angles of a rhombus are congruent, we know that the diagonals bisect each other, and the base forms a right angle with the diagonals.

Using the Pythagorean theorem, we can find the length of one diagonal:

\((diagonal/2)^2 + (base/2)^2 = height^2\)

\((diagonal/2)^2 + (8.5)^2 = (14)^2\)

\((diagonal/2)^2 = (14)^2 - (8.5)^2\)

\((diagonal/2)^2 = 119.75\)

\(diagonal/2 = \sqrt{(119.75)\)

\(diagonal = 2*\sqrt{(119.75)\)

diagonal ≈ 19.48 inches

Now we can calculate the area:

Area = (base * height)/2

Area = (17 * 14)/2

Area = 119 in²

Therefore, the area of the rhombus is approximately 119 square inches, which is option B.

A rhombus is a quadrilateral (a polygon with four sides) in which all sides are of equal length. It is a special case of a parallelogram, which means that opposite sides are parallel to each other. In addition to having sides of equal length, a rhombus also has opposite angles that are equal to each other, and its diagonals bisect each other at a right angle. A rhombus can also be thought of as a diamond shape, with two acute angles and two obtuse angles. Some examples of real-world objects that have a rhombus shape include playing cards, road signs, and some types of jewelry.

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Answer:

24

Step-by-step explanation:

Answer: (3 x --- 2) (6x--- 1)

Step-by-step explanation: Common factors from the two pairs

Rewrite in factored formed

Step-by-step explanation:

in a geometric sequence every new term is created by multiplying the previous term by a constant factor. this factor is constant (= the same) for the whole sequence.

a1 = a1

a2 = a1 × f

a3 = a2 × f = a1 × f × f = a1 × f²

...

an = a1 × f^(n-1)

so, we have here

a1 = -2

a2 = a1 × f = -2 × f = 10

f = 10/-2 = -5

an = -2 × -5^(n-1)

in any case, the next 2 terms are

-50 × -5 = 250

250 × -5 = -1250