Solve for g: 5(g + 2) = 20

Answer:

Yes,why not

You can use a tape measure

Step-by-step explanation:

Hope this helps u

Crown me as brainliest:)

Answer:

d

Step-by-step explanation:

The estimated probability that the candidate obtains a score greater than or equal to 10 is 0.7234, rounded to four decimal places, so the answer is (A).

The number of correct answers that the candidate gets is a binomial random variable with parameters n = 40 (number of trials) and p = 1/5 (probability of success). We want to find the probability that the candidate gets a score greater than or equal to 10, which is equivalent to getting 10 or more questions correct.

Using the normal approximation to the binomial distribution with continuity correction, we can approximate the distribution of the number of correct answers by a normal distribution with mean μ = np = 40 * 1/5 = 8 and variance σ^2 = np(1-p) = 40 * 1/5 * 4/5 = 6.4.

To find the probability that the candidate gets 10 or more questions correct, we can standardize the normal distribution and use the standard normal distribution table or R to find the probability.

Let X be the number of correct answers. Then, we have:

P(X >= 10) = P((X - μ) / σ >= (10 - μ) / σ)

= P(Z >= (10 - 8) / sqrt(6.4)), where Z is a standard normal random variable.

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Answer:

The number is 22

Step-by-step explanation:

Let x be the number

Answer:

22

Step-by-step explanation:

Let the number be x:

x - 10 = 12

x = 12 + 10

x = 22

The answer is 22

Answer: 1

\((\frac{x^{a+b} }{x^{c} }) ^{a-b}.(\frac{x^{b+c} }{x^{a} }) ^{b-c} .(\frac{x^{c+a} }{x^{b} })^{c-a}\\\\= \frac{x^{(a+b)(a-b)} }{x^{c(a-b)} }.\frac{x^{(b+c)(b-c)} }{x^{a(b-c)} }.\frac{x^{(c+a)(c-a)} }{x^{b(c-a)} }\\\\=\frac{x^{a^{2}-b^{2} } }{x^{ac-bc} }.\frac{x^{b^{2}-c^{2} } }{x^{ab-ac} }.\frac{x^{c^{2}-a^{2} } }{x^{bc-ab} } \\\\=\frac{x^{a^{2}-b^{2}+b^{2}-c^{2}+c^{2}-a^{2} } }{x^{ac-bc+ab-ac+bc-ab} }\\\\=\frac{x^{0} }{x^{0} }=1\)

Step-by-step explanation:

Answer:

Step-by-step explanation:

The appropriate soil media depth for the green roof can be determined, taking into account the WQv requirement and the structural limitations of the rooftop.

a) The WQv represents the volume of water that needs to be managed to meet water quality regulations. To calculate the WQv, the 90% rainfall number (P = 1.2 in) is used. The WQv can be determined by multiplying the rainfall number by the surface area of the rooftop reserved for the green roof (30 ft x 100 ft x 0.4, considering 60% reserved for maintenance access and equipment).

b) The minimum soil media depth needed to meet the WQv can be calculated by dividing the WQv by the product of the soil media porosity (20%) and the drainage layer depth (2 in).

c) Finally, the soil media depth for the green roof design needs to be determined. It should not exceed the maximum allowed soil depth of 1 foot.

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a) The probability that Archer A hits the target at least once: To get the probability of Archer A hitting the target, we use the formula P(A) = 0.6,The probability of Archer A hitting the target at least once is P(at least once) = 1 - P(none).

P(none) = P(not A) × P(not A) = 0.4 × 0.4 = 0.16P(at least once) = 1 - 0.16 = 0.84, the probability that Archer A hits the target at least once is 0.84.

b) The probability that Archer A hits the target twice That is, P(hit twice) = 0.6 × 0.6 = 0.36,the probability that Archer A hits the target twice is 0.36.

c) The probability that the target is hit in the first round :Each archer shoots one arrow in each round. So, the target is hit in the first round if Archer A, Archer B, or Archer C hits the target. The probability that the target is hit in the first round is P(hit in the first round) = P(A) + P(B) + P(C) = 0.6 + 0.7 + 0.8 = 2.1

d) The probability that the target is hit in both rounds :The probability that the target is hit in both rounds is P(A hits in round 1 and in round 2) = P(A) × P(A) = 0.6 × 0.6 = 0.36.

e) The probability that the target is hit at least once through the two rounds: The target can be hit at least once through the two rounds if one or more archers hit it. The probability that Archer A misses both shots is 0.4 × 0.4 = 0.16. The probability that Archer A hits the target at least once is P(at least once) = 1 - P(none).P(none) = P(not A) × P(not A) = 0.4 × 0.4 = 0.16P(at least once) = 1 - 0.16 = 0.84
P(at least once) = 1 - 0.04 = 0.96
1 - P(none) = 1 - 0.16 × 0.09 × 0.04 = 0.99932 ≈ 1.000

The probability that the target is hit at least once through the two rounds is 1.000.

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The 4 tests for similar triangles are:-

AAA: Three pairs of equal angles.

SSS: Three pairs of sides in the same ratio.

SAS: Two pairs of sides in the same ratio and an equal included angle.

ASA: Two angles and the side included between the angles of one triangle are equal

What is AAA,SAS,ASA,SSS?

According to the SSS rule, two triangles are said to be congruent if all three sides of one triangle are equal to the corresponding three sides of the second triangle. 

According to the SAS rule, two triangles are said to be congruent if any two sides and any angle between the sides of one triangle are equal to the corresponding two sides and angle between the sides of the second triangle.

According to the ASA rule, two triangles are said to be congruent if any two angles and the side included between the angles of one triangle are equal to the corresponding two angles and side included between the angles of the second triangle.

According to the  AAA rule, "if in two triangles, corresponding angles are equal, then their corresponding sides are in the same ratio (or proportion), and hence the two triangles are identical."

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Answer:

C) 240ma

Step-by-step explanation:

Answer:

\(x=-2,1,3\)

Step-by-step explanation:

Given: The curved line represented by the function \(f(x)\) crosses the x-axis at \((-2,0),(1,0),(3,0)\) and y-axis at \((0,-6)\)

To find: value of x for which \(f(x)=0\)

Solution:

\(f(x)=0\) gives those values of x for which the curve represented by the given function cuts the x-axis.

According to question, the curve cuts the x-axis at \(x=-2,1,3\)

The values of x, when f(x) = 0 are the y-intercepts of the graph, and the values are -2, 1 and 3

The points on the function on the graph are given as:

\((x,y) = \{(-2,0), (1,0), (3,0), (0,-6)\}\)

In the above ordered pairs, the points where y or f(x) equals 0 are:

\((x,y) = \{(-2,0), (1,0), (3,0)\}\)

Remove the y-values

\(x = \{-2, 1, 3\}\)

The above set represents the values of x, when f(x) = 0.

Hence, the values of x, when f(x) = 0 are -2, 1 and 3

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Answer:

999,960

Step-by-step explanation:

let x be a multiple of 120

120x ≤ 999,999

999,999 / 120 = 8333.325

8333 ≤ x ≤ 8334

8333(120) = 999,960

8334(1200) = 1,000,080  this is a 7-digit number

Therefore, the largest 6-digit number that is exactly divisible by 120 is 999,960

Answer:x=-5+/-isquareroot of 95

———————————-

20

Step-by-step explanation:

The total cost of power generation for a specific load demand can be calculated by optimally allocating the load demand to each unit based on their power output limits. The allocation is done in a way that minimizes the overall cost while meeting the load demand.

In the given power system depicted in Figure 1, there are three units that are always running. Each unit has specific characteristics regarding their minimum power output (Pmin), maximum power output (Pmax), and incremental cost (Ci). Let's discuss the characteristics of each unit and calculate the total cost of power generation for a given load demand.

Unit 1:

Pmin = 200 MW

Pmax = 500 MW

Ci = $50/MWh

Unit 2:

Pmin = 150 MW

Pmax = 400 MW

Ci = $40/MWh

Unit 3:

Pmin = 100 MW

Pmax = 300 MW

Ci = $30/MWh

To calculate the total cost of power generation for a given load demand, we need to determine the optimal power output for each unit. We start by considering the units with the lowest incremental cost first.

Suppose the load demand is D MW. We allocate the load demand to the units as follows:

Step 1: Check if Unit 1 can meet the load demand within its power range. If yes, allocate the load demand to Unit 1 and calculate the cost:

Cost1 = Ci * P1, where P1 is the power output of Unit 1.

Step 2: If there is still remaining load demand, allocate it to Unit 2:

Cost2 = Ci * P2, where P2 is the power output of Unit 2.

Step 3: If there is still remaining load demand, allocate it to Unit 3:

Cost3 = Ci * P3, where P3 is the power output of Unit 3.

Finally, the total cost of power generation, Cost_total, is the sum of Cost1, Cost2, and Cost3:

Cost_total = Cost1 + Cost2 + Cost3

To find the optimal power output for each unit, we consider the load demand and compare it to the minimum and maximum power output limits for each unit. The power allocation is based on meeting the load demand while minimizing the overall cost of power generation.

In summary, given the characteristics of the three units in the power system (Pmin, Pmax, and Ci), the total cost of power generation for a specific load demand can be calculated by optimally allocating the load demand to each unit based on their power output limits. The allocation is done in a way that minimizes the overall cost while meeting the load demand.

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There are 54 internal vertices in a full 3-ary tree with 161 leaves.

A full 3-ary tree is a tree where each node can have a maximum of three children.

The number of internal vertices in a full 3-ary tree with 161 leaves is 107. In a full 3-ary tree, every node, except the leaves, has exactly three children.

The leaves are the nodes that do not have any children.

We can determine the number of internal vertices in a full 3-ary tree using the following formula:

Internal vertices = (number of leaves - 1) / 3

This formula is derived from the fact that in a full 3-ary tree, every node, except the root, has exactly one parent and three children.

Since we know that a full 3-ary tree with 161 leaves has no more than one root,

we can apply this formula to determine the number of internal vertices. Internal vertices = (161 - 1) / 3 = 160 / 3 = 53.33

However, the number of internal vertices must be a whole number since we cannot have a fraction of a vertex.

Therefore, we round up the answer to the nearest whole number to get: Internal vertices = 54

Therefore, a full 3-ary tree with 161 leaves has 54 internal vertices.

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Answer:

solution,

hypotenuse (h)=10 cm

base(b)=5 cm

perpendicular (p)=?

Now,

Using Pythagoras theorem,

\( {h}^{2} = {p}^{2} + {b}^{2} \\ {p }^{2} = {h}^{2} - {b}^{2} \\ or \: {p}^{2} = {(10)}^{2} - {(5)}^{2} \\ or \: {p}^{2} = 100 - 25 \\ or \: {p}^{2} = 75 \\ or \: p = \sqrt{75} \\ p = 5 \sqrt{3} \: cm\)

Hope this helps...

Good luck on your assignment...

Answer:

Yeah!!!you're right, it's -7

Step-by-step explanation:

-2c -5c+8-4 = 53

-7c +4 = 53

-7c = 53 - 4

-7c = 49

c = -7

The depth of the water in the cone-shaped tank is increasing at a rate of approximately 1.385 meters per second.

To determine the rate at which the depth of the water is changing, we can use related rates. Let's denote the depth of the water as h(t), where t represents time. We are given that dh/dt (the rate of change of h with respect to time) is 12 m/sec, and we want to find dh/dt when h = 18 meters.

To solve this problem, we can use the volume formula for a cone, which is V = (1/3)πr^2h, where r is the base radius and h is the depth of the water. We can differentiate this equation with respect to time t, keeping in mind that r is a constant (since the base radius does not change).

By differentiating the volume formula with respect to t, we get dV/dt = (1/3)πr^2(dh/dt). Now we can substitute the given values: dV/dt = 12 m/sec, r = 26 meters, and h = 18 meters.

Solving for dh/dt, we have (1/3)π(26^2) (dh/dt) = 12 m/sec. Rearranging this equation and solving for dh/dt, we find that dh/dt is approximately 1.385 meters per second. Therefore, the depth of the water in the tank is increasing at a rate of about 1.385 meters per second.

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Answer:

Step-by-step explanation:

your mom

ANSWERS

• Mean: 67.025

• Mode: 67

EXPLANATION

The mean is the sum of all the data, divided by the amount of data,

In this case, the amount of data is 80,

Hence, the mean of this data set is 67.025.

The mode is the value or values in the data set that occurs most frequently. It is easier to find if we order the data set,

The value 67 occurs 9 times, while the second most frequent value is 66, which occurs 7 times.

Hence, the mode of this data set is 67.

Answer:104

Step-by-step explanation:

125 – 25 + 5 – 1=105

I hope this helped :))

Answer:

12

Step-by-step explanation:

Hello!

First of all you have to understand the order of operations.

PEMDAS

Parenthesis, Exponent, Multiplication/Divison, Addition, Subtraction.

From this you can see that we first have to deal with the exponent, then multiplication, then the addition.

So we get 2+9-(-1)

The 9 is from -3^2

2+9+1

11+1

12.

Hope this helps!

Answer:

2.25 per bowl.

Step-by-step explanation:

Two bowls of clam chowder cost 4.50.

\(\frac{4.50}{2}= \boxed{2.25}\)

Hope this helps.

The correlation that demonstrates the weakest correlation between two variables is option a) +.20.

Among the given options, the correlation that demonstrates the weakest correlation between two variables is option b) -50.

In correlation coefficients, the value ranges from -1 to +1, where -1 represents a perfect negative correlation, +1 represents a perfect positive correlation, and 0 represents no correlation or a very weak correlation.

Let's analyze the options provided:

a) +.20:

This indicates a positive correlation, but the value is relatively small (0.20).

It suggests a weak positive relationship between the variables.

b) -50:

This option appears to be a typographical error since the correlation coefficient cannot be negative 50.

Assuming it is meant to be -0.50, this indicates a moderate negative correlation.

c) +.75:

This option represents a strong positive correlation.

With a coefficient of 0.75, it suggests a relatively strong positive relationship between the variables.

d) -76: Similar to option b, this value appears to be a typographical error. A correlation coefficient cannot exceed the range of -1 to +1.

Assuming it is meant to be -0.76, this indicates a strong negative correlation.

Comparing the given options, the weakest correlation is option b) -50, assuming it was intended to be -0.50. A correlation coefficient of -0.50 represents a moderate negative correlation, which is weaker than the other options but still indicates some relationship between the variables.

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The graph of f(x) = -2⁻ˣ is given as attached.

To graph the function f(x) = -2⁻ˣ, we can follow these steps:

1. Choose a set of x-values to plot on the x-axis. Since the function has an exponent that involves negative powers of 2, we should choose values that are evenly spaced on the x-axis, such as -3, -2, -1, 0, 1, 2, and 3.

2. Substitute each x-value into the function to find the corresponding y-value. For example, when x = -3, we have f(-3) = -2⁻³ = -1/8. Similarly, we can find the y-values for the other x-values we chose.

3. Plot the points (x, y) on the graph. Make sure to label the axes and use a ruler or graphing software to ensure accuracy.

4. Connect the points with a smooth curve to show the shape of the function between the plotted points. Since the function has a negative exponent, it approaches zero as x gets larger, so the curve should approach the x-axis as it moves to the right.

The resulting graph should show a decreasing curve that gets closer and closer to the x-axis, without ever touching it, as x gets larger.

Note that the values of y for each x are:

When x = -3, y = -1/8

When x = -2, y = -1/4

When x = -1, y = -1/2

When x = 0, y = -1

When x = 1, y = -2

When x = 2, y = -4

When x = 3, y = -8

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Answer:

11 units

Step-by-step explanation:

To find the distance between the two points, you can use the distance formula, which is derived from the Pythagorean theorem. The formula is:

Distance = √((x2 - x1)^2 + (y2 - y1)^2)

Let's calculate the distance between the two points (3, 5) and (3, -6):

Distance = √((3 - 3)^2 + (-6 - 5)^2)

= √(0^2 + (-11)^2)

= √(0 + 121)

= √121

= 11

Therefore, the distance between the two points is 11 units.

Other than the unit of measurement i am genuinely confused by this because (as far as I know) there is no possible way of figuring this out. The unit is obviously meters but I have no idea what the answer is. You should ask your teacher to explain it to you because it's confusing.

C. The statement is false.

Correlation is a statistical measure that indicates the extent to which two variables are related in a linear manner.

The correlation coefficient, denoted by r, ranges from -1 to +1, with 0 indicating no linear relationship, -1 indicating a perfect negative linear relationship, and +1 indicating a perfect positive linear relationship.

The correlation coefficient is calculated by dividing the covariance of the two variables by the product of their standard deviations.

The important thing to note is that the correlation coefficient is a pure number, which means it has no units. This is because it only measures the strength and direction of the linear relationship between the two variables and is not affected by their units of measurement.

Therefore, the statement "The units of the correlation are the same as the units of x" is false because the correlation coefficient is not expressed in the units of x or y. Instead, it is a pure number that provides information about the strength and direction of the linear relationship between the two variables, regardless of their units.

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The correct option regarding the correlation coefficient is that A. I can’t be confident at all; this is about as close to a random guess as you can get.

The correlation coefficient is a statistical measure of the strength of a two-variable linear relationship. Its values can range between -1 and 1. A correlation coefficient of -1 denotes a perfect negative, or inverse, correlation, in which values in one series rise while those in the other fall, and vice versa.

A coefficient of one indicates that there is a perfect positive correlation, or a direct relationship. A correlation coefficient of 0 indicates that no linear relationship exists. In science and finance, correlation coefficients are used to assess the degree of association between two variables, factors, or data sets.

In this case, the fat that the person gets 0 implies that it's probably a random guess. In conclusion, the correct option is A.

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