PLZZZ HELP ME...I AM FAILING THIS CLASS..if you can help me with ANY of these please do...i need all the work of how you got that answer..thankyou so much!!!

Answer:

2

Step-by-step explanation:

45°-45°-90° triangles are Special Right Triangles. There are some super helpful shortcuts you can learn for a 45°-45°-90° triangle.

The two legs of the triangle are always the same. The longest side, the hypotenuse, is:

hypot = leg•sqrt2

The leg in your problem is sqrt2.

You are asked to find the hypotenuse, k.

hypot = leg•sqrt2

k = leg•sqrt2

k = sqrt2•sqrt2

k = 2

k is 2. Don't be sidetracked by the direction that says "Write your answer in simplest radical form". If there was a radical in your answer, we would simplify it, but there isn't...it's just plain 2.

The probability that Aiden will roll a number 5 or higher and the coin will land on heads is 1/6 or approximately 0.1667.

To find the probability of two independent events occurring together, you need to multiply the probabilities of each event.

Let's calculate the probabilities step by step:

Rolling a number 5 or higher on the number cube:

The number cube has 6 sides labeled 1 through 6. Out of these, there are two sides (5 and 6) that meet the condition of rolling a number 5 or higher.

So the probability of rolling a number 5 or higher is 2/6 or 1/3.

Flipping a coin and landing on heads:

A fair coin has two equally likely outcomes: heads or tails. Therefore, the probability of landing on heads is 1/2.

To find the probability of both events occurring together, you multiply the probabilities:

P(rolling a number 5 or higher and landing on heads) = P(rolling a number 5 or higher) × P(landing on heads)

= (1/3) × (1/2)

= 1/6

Therefore, the probability that Aiden will roll a number 5 or higher and the coin will land on heads is 1/6 or approximately 0.1667.

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The Project Triangle is also known as the triple constraints model and consists of three elements: cost, time and scope.

The Project Triangle is also known as the Iron Triangle or Triple Constraints and is a graphical representation of the connection between project costs, schedule, and scope. It is one of the key principles of project management, and it is utilized to help organizations and project managers understand and handle trade-offs between different objectives of a project.

The three elements of the Project Triangle are:

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Answer:

A = 180 and 160.

B = 180, 45 and 45.

C = 180 and 45.

D = 180 and 164.

E = 180 and 250.

F = 180 and 55.

Answer:

Step-by-step explanation:

\( = - 1\)

Answer:

15 girls, 35 boys

Step-by-step explanation:

Step 1:

3 : 7       Ratio

Step 2:

3x + 7x = 50        Substitute

Step 3:

10x = 50     Add

Step 4:

50 ÷ 10     Divide

Step 5:

x = 5

Answer:

15 girls, and 35 boys     Multiply

Hope This Helps :)

Answer:

B

Step-by-step explanation:

Hey There!

In order for two equations to be parallel they have to have the same slope

The only answer with equation that have the same slope is b

They both have a slope of 2

Hope this helps :)

Answer:

B.

Step-by-step explanation:

If two lines are parallel, that means that their slopes are the same.

If they're perpendicular, their slopes would be the negative reciprocal of the other.

For example, if line 1's slope was 5 and line 2 was parallel to it, that means that line 2's slope must be 5 as well. If line 3 was perpendicular to line 1, that meant that line 3's slope would be -1/5.

To calculate the discharge through the circular channel, we can use Manning's equation, which relates the flow rate (Q) to the channel properties and flow conditions. Manning's equation is given by:

Q = (1/n) * A * R^(2/3) * S^(1/2)

where:

Q is the discharge (flow rate)

n is Manning's coefficient (0.014 in this case)

A is the cross-sectional area of the channel

R is the hydraulic radius of the channel

S is the slope of the channel bed

First, let's calculate the cross-sectional area (A) of the circular channel. The diameter of the channel is given as 6m, so the radius (r) is half of that, which is 3m. Therefore, the area can be calculated as:

A = π * r^2 = π * (3m)^2 = 9π m^2

Next, let's calculate the hydraulic radius (R) of the channel. For a circular channel, the hydraulic radius is equal to half of the diameter, which is:

R = r = 3m

Now, we can calculate the slope (S) of the channel bed. The given slope is 1 in 600, which means for every 600 units of horizontal distance, there is a 1-unit change in vertical distance. Therefore, the slope can be expressed as:

S = 1/600

Finally, we can substitute these values into Manning's equation to calculate the discharge (Q):

Q = (1/0.014) * (9π m^2) * (3m)^(2/3) * (1/600)^(1/2)

Using a calculator, the discharge can be evaluated to get the final result.

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Answer:

x=2

Step-by-step explanation:

Answer:

x = 2

Step-by-step explanation:

-3x - 1x + 5 = -3                    1. Combine like terms

 -4x + 5 = -3                         2. Subtract 5 from both sides

       -5      -5

       -4x = -8                         3. divide -4 from both sides

      /-4     /-4                         4. You have your answer

            x = 2

Have a nice day

Answer:

Its c

Step-by-step explanation:

If you add all of the amounts of paint that he has you will get 1 1/30

Hope this Helps!!!

In the original equation, x is a variable, hence f(x). If that term in the parenthesis changes, such as to 0 or -2, we will plug in that number in place of the current variable.

f(0) = 4(0)^2 + 3 = 0 + 3 = 3

f(-2) = 4(-2)^2 + 3 = 4(4) + 3 = 16 + 3 = 19

Hope this helps! :)

Answer:

he go 2 full 13 in pecies 2.30

Step-by-step explanation:

Answer:

what are the other numbers for????

Answer:

figure plz

Step-by-step explanation:

Answer:

The 2. one

Step-by-step explanation:

the numbers you see (-2, 2, -3) are the intersections with the x axis.

Zeros of the given polynomial function are y = (x+2)(x-2)(x+3); -2, 2-3. Therefore, option B is the correct answer.

The zeros of polynomial refer to the values of the variables present in the polynomial equation for which the polynomial equals 0.

Graphically, the zeros of a function are the points on the x-axis where the graph cuts the x-axis. In other words, we can say that the zeros of a function are the x-intercepts of its graph.

From the given graph,

x=-3, x=-2 and x=2

So, y=(x+3)(x+2)(x-2), -2, 2, -2

Therefore, option B is the correct answer.

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translating phrases and sentences into expressions, equations, and inequalities is an important skill in mathematics. It involves identifying key words and phrases that indicate mathematical operations and relationships. By understanding these key words, we can represent real-world problems using mathematical language and symbols, making it easier to solve and analyze them.

translating phrases and sentences into expressions, equations, and inequalities

When solving mathematical problems, it is often necessary to translate phrases and sentences into mathematical expressions, equations, and inequalities. This process involves identifying key words and phrases that indicate mathematical operations and relationships.

For example, let's consider the following sentence:

'The sum of a number and 5 is equal to 12.'

In this sentence, the key words 'sum,' 'number,' 'equal to,' and '12' indicate that we need to perform addition and find the value of the unknown number. We can represent this sentence as the following equation:

x + 5 = 12

Here, 'x' represents the unknown number.

Similarly, let's consider the following sentence:

'Twice a number decreased by 7 is greater than 15.'

In this sentence, the key words 'twice,' 'decreased by,' 'greater than,' and '15' indicate that we need to perform multiplication, subtraction, and comparison. We can represent this sentence as the following inequality:

2x - 7 > 15

Here, 'x' represents the unknown number.

By understanding key words and phrases, we can effectively translate real-world problems into mathematical language and solve them using expressions, equations, and inequalities.

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1) An inequality to represent the given phrase is 5q>30.

2) An equation to represent the given phrase is 2b²=8.

1) The given phrase is "The product of 5 and q is greater than 30."

Here, the product of 5 and q = 5×q

= 5q

Now, the product is greater than 30.

Thus, 5q>30

q>30/5

q>6

2) The given phrase is "Twice the square of b is equal to 8."

Here, the square of b = b×b

= b²

Twice the square of b = 2b²

So, the product is equal to 8.

That is. 2b²=8

b²=4

b=±2

Therefore,

1) An inequality to represent the given phrase is 5q>30.

2) An equation to represent the given phrase is 2b²=8.

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"Your question is incomplete, probably the complete question/missing part is:"

Translate phrases and sentences into expressions, equations and inequalities.

1) The product of 5 and q is greater than 30.

2) Twice the square of b is equal to 8.

Answer:

We get the approximate value of [n] as 5.

What is logarithm? What is a mathematical equation and expression?

A quantity representing the power to which a fixed number (the base) must be raised to produce a given number. We can write -

$$$\log_{b}({b^x})=x$$

A mathematical expression is made up of terms (constants and variables) separated by mathematical operators. A mathematical equation is used to equate two expressions.

A mathematical equation is used to equate two expressions. Equation modelling is the process of writing a mathematical verbal expression in the form of a mathematical expression for correct analysis, observations and results of the given problem.

We have 31,100 is rounded to the nearest power of 10 and [N] represents a power of 10.

We can write -

We can write -10ⁿ = 31100

We can write -10ⁿ = 3110010ⁿ = 311 x 10²

We can write -10ⁿ = 3110010ⁿ = 311 x 10²10ⁿ ⁻ ² = 311

We can write -10ⁿ = 3110010ⁿ = 311 x 10²10ⁿ ⁻ ² = 311log(10ⁿ ⁻ ²) = log(311)

We can write -10ⁿ = 3110010ⁿ = 311 x 10²10ⁿ ⁻ ² = 311log(10ⁿ ⁻ ²) = log(311)(n - 2) log 10 = log (311)

We can write -10ⁿ = 3110010ⁿ = 311 x 10²10ⁿ ⁻ ² = 311log(10ⁿ ⁻ ²) = log(311)(n - 2) log 10 = log (311)n - 2 = log(311)/log(10)

We can write -10ⁿ = 3110010ⁿ = 311 x 10²10ⁿ ⁻ ² = 311log(10ⁿ ⁻ ²) = log(311)(n - 2) log 10 = log (311)n - 2 = log(311)/log(10)n - 2 = 2.5

We can write -10ⁿ = 3110010ⁿ = 311 x 10²10ⁿ ⁻ ² = 311log(10ⁿ ⁻ ²) = log(311)(n - 2) log 10 = log (311)n - 2 = log(311)/log(10)n - 2 = 2.5n = 4.5

We can write -10ⁿ = 3110010ⁿ = 311 x 10²10ⁿ ⁻ ² = 311log(10ⁿ ⁻ ²) = log(311)(n - 2) log 10 = log (311)n - 2 = log(311)/log(10)n - 2 = 2.5n = 4.5n = 5 (approx.)

We can write -10ⁿ = 3110010ⁿ = 311 x 10²10ⁿ ⁻ ² = 311log(10ⁿ ⁻ ²) = log(311)(n - 2) log 10 = log (311)n - 2 = log(311)/log(10)n - 2 = 2.5n = 4.5n = 5 (approx.)Therefore, we get the approximate value of [n] as 5.

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Answer:

It would be linear, because the input and output both increase at a constant rate.

The completed statement on the exponential model that fits the data in the question is presented as follows;

The exponential model indicates that the plastic production has a 7.88% growth per year. The model predicts that the production 15 years after 1960 was closest to 30 million metric tons, because the correlation coefficient indicates a strong correlation between the model and the data, this prediction is correct.

The correlation coefficient is an indication of the level at which the variables are interdependent.

The table of values in the question can be entered into a spreadsheet application as follows;

The equation for the trendline obtained from MS Excel is presented as follows; f(x) = 9.2179·e^(0.0788·x)

The growth rate from the above exponential function is 7·88% per year

The production 15 years after 1960 is therefore;

f(15) = 9.2179·e^(0.0788 × 15) ≈30.06

The number of plastic produced 15 years after 1960 is about 30 million metric tons

The correlation coefficient obtained from MS Excel is R² = 0,9157, which indicates a strong correlation between the data and the model

The prediction is correct based on the strong correlation between the year and the number of plastic produced.

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Answer:

See below ~

Step-by-step explanation:

First 3 blanks

Final blank

Therefore, the indicated z-score is 2.45.

To find the indicated z-score, we need to use a standard normal distribution table. From the graph, we can see that the area to the right of the z-score is 0.9850.
Looking at the standard normal distribution table, we find the closest value to 0.9850 in the body of the table is 2.45. This means that the z-score that corresponds to an area of 0.9850 is 2.45.
It's important to note that the standard deviation of the standard normal distribution is always 1. This is because the standard normal distribution is a normalized version of any normal distribution, where we divide the difference between the observed value and the mean by the standard deviation.

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Answer:

,7/8×x=14

x=14×8/7

x=16 is the answers for the question of

Step-by-step explanation:

please give me brainlest

The factored expression is 89 - 161² = - ( 161 + √89 ) ( 161 - √89 ).

The expression can be factored as:

89 - 161² = -161² + 89

Use the difference of squares formula, which states that:

a² - b² = ( a + b )( a - b )

In this case,:

a = 161 and b = √89

So, write:

-161² + 89 = - ( 161 + √89 ) ( 161 - √89 )

Therefore, the factored expression is:

89 - 161² = - ( 161 + √89 )( 161 - √89 )

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Answer:

Either (A.) or (D.)

Step-by-step explanation:

not quite sure

The answer to the given normal distribution-based question is (a) 0.7486, which means that around 75% of the population has an IQ between 90 and 110.

The proportion of the population that falls within the average IQ range of 90 to 110 can be found by calculating the area under the normal distribution curve between these two values. Since the mean of the distribution is 100 and the standard deviation is 15, we can use the standard normal distribution table or calculator to find the corresponding z-scores for the lower and upper bounds of the range.

The z-score for an IQ of 90 is (90-100)/15 = -0.67, and the z-score for an IQ of 110 is (110-100)/15 = 0.67. Using the standard normal distribution table or calculator, we can find the area between these two z-scores, which is approximately 0.7486.

Therefore, the answer is (a) 0.7486, meaning that about 75% of the population falls within the average IQ range of 90 to 110.

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Answer:d

Step-by-step explanation:

The answer is d. None of the above is true.

To calculate velocity, we need to use the equation:

Velocity = M * P / Y

Given:

M = 1,000

P = 2.25

Y = 2,000

Plugging in the values:

Velocity = 1,000 * 2.25 / 2,000

Simplifying:

Velocity = 2.25 / 2

The result is:

Velocity = 1.125

Therefore, the correct answer is: d. None of the above is true.

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Answer:

if the original number is a decimal the exponent is negative for example .005 would be 5x10^-3

Step-by-step explanation:

the exponent is only positive for whole numbers like 50 500 5000 hope it helps

Answer:

if the decimal point moves to the right

Therefore, the weight of the heavier package is 4 pounds, and the weight of the lighter package is (3/4)x4 = 3 pounds.

To solve this problem, we need to use an equation to represent the relationship between the weight of the two packages. Let's let x be the weight of the heavier package in pounds. Then, since the lighter package weighs 3/4 as much as the heavier package, its weight can be represented as (3/4)x.
Now, we know that the total weight of the packages is 7 pounds. So, we can set up the equation:
x + (3/4)x = 7
To solve for x, we can combine like terms:
(7/4)x = 7
Then, we can isolate x by multiplying both sides by 4/7:
x = 4
In conclusion, the weights of the two packages are 4 pounds and 3 pounds, respectively. The equation we used to solve for these weights was x + (3/4)x = 7. This equation had to be solved by combining like terms and isolating x.

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