When we say we are going to distribute a
factol using the distributive
property, what operation are we using?

Answer:

x= -5

Step-by-step explanation:

expand the brackets

-4x -20=5x+25

-4x-5x=25+20

-9x=45

x= -5

or

let y=(x+5)

-4y=5y

-4y-5y=0

-9y=0

resubstitute

-9(x+5)=0

-9x-45=0

-9x=45

x = -5

thankyou for listening how can i get scholarship please assist i am intelligent but i don't have money to go to university!!!!

To find the probability of accepting a lot with a defect rate of 4% using an acceptance sampling plan with n = 27 and c = 0, we need to calculate the binomial probability of having zero defects in a sample of 27 items.

The probability of accepting a lot is equal to the probability of having zero defects, which can be calculated using the binomial probability formula. The formula is P(X = k) = C(n, k) * p^k * (1 - p)^(n - k), where P(X = k) is the probability of getting k successes, n is the sample size, p is the probability of success (defect rate), and C(n, k) is the binomial coefficient.

In this case, we want to find P(X = 0) where n = 27 and p = 0.04 (4% defect rate). Substituting these values into the binomial probability formula and calculating it will give us the desired probability of accepting the lot with zero defects.

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Answer:

not equivalent to meteorologists ratio

Step-by-step explanation:

meteorologists ratio is

rainy days : sunny days = 2 : 5

last months weather is

rainy days : sunny days

= 10 : 20 ( divide both parts by LCM of 10 )

= 1 : 2 ← not equivalent to 2 : 5

Answer:

164

Step-by-step explanation:

342-178=164 im not sure i understand it but i think thats the answer HOPE I HELPED

Answer:

About 52 percent are car riders.

Step-by-step explanation:

Using cross multiply, you should set up this: ?/100 178/342

Now you multiply 178 by 100 to get 17800

Next you divide 17800 by 342.

You get: 52.0467836257

Round to get 52.05 percent.

Hope this helps, have a nice day! (^-^)

Answer:

Step-by-step explanation:

a. supplementary

b. adds up to 180 degrees

c. 63 + 6x + 2x + 30 = 180

   3(21 + 2x) + 2x + 30 = 180

   8x + 93 =180

 8x = 87

  x = 10 7/8

Since the cell population doubles at constant intervals, we can use the formula for exponential growth: N = N0 * 2^(t/k), where N0 is the initial population, t is the time elapsed, and k is the doubling time.

Since we are told that the population will double four hours from now, and since we are not given the initial population or the doubling time, we cannot determine the final population when the bacteria will be destroyed.

As the division two hours ago and the division just now, the population quadrupled that is two doubling periods, so each doubling period is about an hour.

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Answer:

(-2,-1) i am pretty sure this is the answer because the 1/3 gives a big hint

Here, we use the property of multiplication of exponential expression which states when we multiply two exponential expressions with the same base, we keep the base and add the exponents.

Therefore,

\(x^(3+5) = x^8\)

Now,

\(x^(3+5) = x^8\)

is of the form:

\(x^b = x^p\)

When we have two equal expressions on either side of the equation, the power of the base remains the same. Therefore,

p = 8

There we have it. The value of p is 8. The full solution is shown below:

\(x^3 × x^5 \\= x^px^8\\ = x^p\)

We can see that the base of the exponential expression on either side is equal.

Therefore, the power of the base must be equal as well. In other words

,p = 8.

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The circumference of a circle with a diameter of 36 inches is approximately 113.1 inches.

The circumference of a circle can be found using the formula: C = πd, where C represents the circumference and d represents the diameter. In this case, the given diameter is 36 inches.

Using the value of π (pi) as approximately 3.14159, we can substitute the values into the formula:

C = πd

C = 3.14159 * 36

C ≈ 113.09724

Rounding to the nearest tenth, the circumference of the 36-inch diameter circle is approximately 113.1 inches.

The circumference of a circle with a diameter of 36 inches is approximately 113.1 inches.

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Answer:

2

Step-by-step explanation:

The larger triangle is 1.5 times larger than the smaller one. So the smaller one has to have a height of 3/1.5=2.

Answer:

2

Step-by-step explanation:

Suppose the triangles are similar

Then h/3 = 4/6 cross multiply expressions

6h = 12 divide both sides by 6

h = 2

Answer:

only option less than $3 is (C)

Step-by-step explanation:

Volume(cylinder) = πr²h or Bh

I used the guess-and-check method and got the following:

A) 3.85

B) 3.39

C) 2.67

D) 5.65

Step-by-step explanation:

the first one I think pls give me a brainliest

Answer:

get the price of the item then divide by how many Oz or lbs you get unit price

examples 4 cakes cost $14.00 divide so one cake is $3.50

Step-by-step explanation:

In a normal distribution, changing the standard deviation affects the shape and spread of the distribution.

1. Increase in standard deviation: When the standard deviation increases, the distribution becomes wider and more spread out. This means that the data points are more dispersed from the mean, resulting in flatter and broader tails in the distribution curve. The distribution becomes more spread out, indicating a greater variability in the data.

2. Decrease in standard deviation: Conversely, when the standard deviation decreases, the distribution becomes narrower and more concentrated around the mean. The data points are less spread out, and the distribution curve becomes taller and sharper. The distribution becomes more compact, indicating less variability in the data.

Overall, the standard deviation measures the average amount by which individual data points deviate from the mean. It quantifies the spread or dispersion of the data in relation to the mean.

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In a normal distribution, changing the standard deviation affects the shape, location, and spread of the distribution curve. A larger standard deviation results in a wider and flatter curve, indicating greater variability in the data. Conversely, a smaller standard deviation results in a narrower and taller curve, indicating less variability in the data.

In a normal distribution, the standard deviation measures the spread or variability of the data. When the standard deviation is increased, the distribution becomes wider, and when it is decreased, the distribution becomes narrower.

A larger standard deviation means that the data points are more spread out from the mean, resulting in a flatter and wider curve. This indicates a greater variability in the data. On the other hand, a smaller standard deviation means that the data points are closer to the mean, resulting in a taller and narrower curve. This indicates less variability in the data.

The standard deviation also affects the location of the distribution curve. The mean of the distribution remains the same, but the curve is shifted to the left or right depending on whether the standard deviation is increased or decreased.

Changing the standard deviation has important implications in various statistical analyses and probability calculations. It helps determine the likelihood of certain events occurring within a given range of values.

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Answer:

Its Irrational because it does not repeat or terrminate.

Step-by-step explanation:

Rational numbers end, and this one does not not. It also is not a patteren so it dont repeat.

There are 20! number of ways for everyone to do this so that at the end of the move, each seat is taken by exactly one person.

People are seated in a 2 by 10 rectangle grid. All 20 persons stand up from their seats and relocate to an orthogonally neighboring one upon the blowing of a whistle.

Now, we have to find the number of possible ways in which each seat is taken up by exactly one person after the move.

As the number of people is 20 and 20 seats are to filled exactly once.

So, the number of ways = 20!

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The answer is "false". The interval [1, 2] contains all the real numbers between 1 and 2 including the endpoints.

An interval notation is used for representing the continuous set of real values. This is the shortest way of writing inequalities.

Intervals are represented within the brackets such as square brackets or open brackets(parenthesis).

The given interval is [1, 2]

The given statement is - 'the interval [1, 2] contains exactly two numbers - the numbers 1 and 2'

The given statement is 'false'.

This is beacuse, an interval consists set of all the real values in between the two values given.

So, according to the definition, there are not only the end values but also many real values in between them.

Thus, the answer is "false". The interval [1, 2] consists of all the real values between 1 and 2 including 1 and 2.

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The calculated summation value with the message "Summation: " preceding it. The program assumes that the user will provide valid numerical inputs (integers) when prompted.

Here's a Python program that calculates the sum using a loop based on the user's input values for `i` and `k`. The program handles cases where `i` is larger than `k` and continuously asks for proper values until valid inputs are provided.

```python

while True:

   i = int(input("Enter value for i: "))

   k = int(input("Enter value for k: "))

   if i <= k:

       break

   else:

       print("Error: i cannot be greater than k.")

summation = 0

for x in range(i, k+1):

   summation += 2 * x

print("Summation:", summation)

```

In this program, we use a `while` loop to repeatedly prompt the user for values of `i` and `k`. We convert the inputs to integers using `int()` for numerical comparison. If the condition `i <= k` is satisfied, we break out of the loop; otherwise, an error message is displayed, and the loop continues.

Once we have valid values for `i` and `k`, we initialize the `summation` variable to 0 and use a `for` loop with `range(i, k+1)` to iterate through the values of `x` from `i` to `k` (inclusive). We accumulate the sum by adding `2 * x` to `summation` in each iteration.

Finally, we print the calculated summation value with the message "Summation: " preceding it.

Note: The program assumes that the user will provide valid numerical inputs (integers) when prompted.

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Answer:

Translation

Step-by-step explanation:

Translation as the x and y are both being moved over the plane.

The probability of a score above 56 is 0.025.

The probability of an event occurring is defined by probability. Probability is the unit of measurement for an event's likelihood. It is the proportion of successful outcomes to all possible outcomes. For instance: (1) Throwing a die and getting the numbers 3 and 5 (2) Throwing a die and getting both an even and an odd number

Given,

A normal distribution has a mean of 50, and a standard deviation of 3.

P( x > 56)

= P(X - mean/standard deviation > 56-50/3)

= P(Z > 6/3)

= P( Z > 2)

= 1 - P(Z<2)

= 1 - 0.9772

= 0.0228

0.025 (Approximately)

The probability of a score above 56 is 0.025.

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Answer: Marsha gets 100, Matthew gets 150

Step-by-step explanation:

they work 5 days total

250/5 days = 50/day

Marsha works 2 days, Matthew works 3

2 x 50 = 100 for Marsha

3 x 50 = 150 for Matthew

Answer:

Marsha would earn $100 while matthew would earn $150.

Step-by-step explanation:

In total they earned $250, the total amounts of days worked were 5.

250 ÷ 5 = 50, they were being paid $50 per day.

Meaning marsha would earn $100 while matthew would earn $150

For the irrational number x + 3 = √5, the value of the algebraic equation y = (x + 3)² is equal to 5.

In this problem we find that the square root of 5 is equal to x + 3 and we need to find the exact value of the following algebraic expression:

y = (x + 3)², where x + 3 = √5.

Then, if we know that x + 3 = √5, then the exact value of y is:

y = (√5)²

y = 5

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Answer:

1/8

Step-by-step explanation:

Answer:

1/8 or option A for edge 2020

Step-by-step explanation:

I got it right in the warm up ^^

Hope this helps!!

Answer:

136

Step-by-step explanation:

because 32 times 4 is 128 and 32 divided by 4 is 8 that together is 136 its dived by four because 15 is 1/4 of 60 which is an hour

Answer: 136 copies in 4 minutes and 15 seconds

Step-by-step explanation:

First, we need to find how many copies the machine makes per second

a minute has 60 seconds. Divide the number of copies made per minute by 60

32/60

simplify

8/15

It can make 8/15 copies per second.

It takes a minute to print 32 copies, so multiply the number of copies per minute by 4 minutes

32*4=128

128 copies in 4 minutes

now 8/15 * 15 =120/15 = 8

128+8=136

The mass of the water can be determined using the formula for heat transfer, which states that heat transferred (in calories) is equal to the mass of the substance (in grams) multiplied by the specific heat capacity of the substance (in calories/gram°C) multiplied by the change in temperature (in °C). By rearranging the formula, we can find that the mass of water is equal to the heat transferred divided by the product of the specific heat capacity and the temperature change.

Given:

Initial temperature (T1) = 45°C

Final temperature (T2) = 25°C

Heat transferred (Q) = 20 calories

Specific heat capacity of water (C) = 1 calorie/gram°C

We can use the formula for heat transfer:

Q = m * C * ΔT

Where:

Q is the heat transferred,

m is the mass of the substance,

C is the specific heat capacity of the substance, and

ΔT is the change in temperature.

Rearranging the formula, we have:

m = Q / (C * ΔT)

Substituting the given values:

m = 20 calories / (1 calorie/gram°C * (45°C - 25°C))

Simplifying the equation:

m = 20 calories / (1 calorie/gram°C * 20°C)

m = 20 grams

Therefore, the mass of water is 20 grams.

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Answer:

ab means a multiplied by b, a(b+c) means add b and c together, then multiply by a, and (a+b)(c+d) means first add a and b

Step-by-step explanation:

ab means product, a(b+c) means product of a and sum of b & c and (a+b)(c+d) product of sum of a & b and c & d.

The result of multiplying two or more numbers together is the sum. The product of two or more numbers is what results from multiplication.

In mathematics, "ab" typically represents the product of two numbers, a and b.

"a(b+c)" represents the product of a and the sum of b and c, where a, b, and c are numbers.

"(a+b) (c+d)" represents the product of the sums of a and b and the sums of c and d.

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The volume of the original pyramid is, 250/3 cubic inches, and the volume of the reduced size pyramid is, 80/3 cubic inches.

What is the pyramid?

A pyramid is a structure that has triangular exterior surfaces that converge to a single step at the summit, giving it roughly a pyramidal shape in the geometric sense. Any polygonal form, including triangular and quadrilateral, can serve as the base of a pyramid. A pyramid has at least three outside triangle surfaces as a result.

Let, the pyramid has a square base of lengths 5 inches  and the height is 10 inches.

Since,

Volume of pyramid = (l x b x h)/3

where,

l is the base length,

b is the base width and

h is the height.

Here, l = b = 5, h = 10

So,

V = (5 x 5 x 10)/3 = 250/3 cubic inches.

Now, to save costs in production, the lengths of the sides of the base are each reduced by one inch while the pyramid's height remains the same.

So, l = b = 4, h = 10

Therefore,

V = (l x b x h)/3 = (4 x 4 x 10)/ 3 = 80/3 cubic inches.

Hence, the volume of original pyramid is, 250/3 cubic inches and the volume of reduced pyramid is, 80/3 cubic inches.

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The measures of the angles are ∠1 = 127°, ∠2 = 53°, ∠3 = 127°, ∠4 = 37°, ∠5 = 53°, ∠6 = 90°, ∠7 = 37°, ∠8 = 143°, ∠9 = 37° and ∠10 = 143°

From the question, we have the following parameters that can be used in our computation:

The transversal lines and the other lines

So, we have

∠1 = 180 - 53

Evaluate

∠1 = 127°

Also, we have

∠5 = 53°

By vertical angles, we have

∠2 = 53°

∠3 = 127°

Next, we have

∠4 = 127 - 90°

∠4 = 37°

Solving further, we have

∠6 = 90°

By corresponding angles, we have

∠7 = 37°

∠9 = 180 - 90 - 53°

∠9 = 37°

∠10 = 90 + 53°

∠10 = 143°

∠8 = 143°

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