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A zookeeper predicted that the weight of a newborn lion would be 2.8 pounds. When the zoo’s lion gave birth, the newborn weighed 3.5 pounds. What is the zookeeper’s percent error?

Answer:

Statement Reason

4d = 1/3(c - d) Given

12d = c - d Multiplication property

13d = c Addition property

c = 13d Symmetric property

Explanation:

The initial equation is

4d = 1/3(c - d)

Then, we need to multiply both sides by 3, so

3(4d) = 3(1/3)(c-d)

12d = c - d

Finally, add d to both sides of the equation

12d + d = c - d + d

13d = c

Then,

c = 13d

Therefore, the answer is

Statement Reason

4d = 1/3(c - d) Given

12d = c - d Multiplication property

13d = c Addition property

c = 13d Symmetric property

Answer:

40000

Step-by-step explanation:

Use force calculator

Ans is 351/8.

hope it is helpful

If a data analyst uses the bias() function to compare the actual outcome with the predicted outcome to determine if the model is biased and gets a score of 0.8, this simply means that: 2. The model is biased.

In Mathematics, a sampling bias can be defined as a type of bias in which members of an intended population are selected in such a way that some members have a higher or lower sampling probability (chances) than the other members.

This ultimately implies that, a sampling bias would occur when members of an intended population are selected incorrectly, which eventually results in a sample that is not representative of the entire population.

In conclusion, a bias() function with an outcome score of 0.8 in R programming indicates that a model is biased because the closer a score is to zero, the lower are its chances of being biased.

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Complete Question:

A data analyst uses the bias() function to compare the actual outcome with the predicted outcome to determine if the model is biased. They get a score of 0.8. What does this mean?

1. Bias cannot be determined

2. The model is biased

3. Bias can be determined

4. The model is not biased

sorry for bad handwriting

Answer:

1: Moving 2:A cup of room temperature water 3:It can solidify into ice 4:The sun coming out every morning, warm air. 5:Cold air conditioning inside of a car, Night starts. 6:C 7:liquids 8: Into the leg 9:They slow down 10:smaller, slow down.

Step-by-step explanation:

Answer:

3 1/5

Step-by-step explanation:

8×2/5 is 16/5= 3 1/5

because u multiple the top number

The total number of students in the class is 1240.

How to calculate ratio ?

To calculate a ratio, you need to express the relationship between two or more quantities in the form of a fraction. Here are the steps to follow:

Identify the quantities you want to compare. For example, if you want to compare the number of boys and girls in a class, these would be the two quantities.

Write the quantities as a fraction, with the numerator representing one quantity and the denominator representing the other. For example, if there are 20 boys and 30 girls, the ratio of boys to girls would be 20/30 or 2/3.

Simplify the ratio by dividing both the numerator and denominator by their greatest common factor. In the example above, both 2 and 3 are divisible by 2, so the simplified ratio would be 1/3.

Express the ratio in the form of a statement, using a colon to separate the two quantities. For example, the ratio of boys to girls in the class is 1:3.

Note that ratios can also be expressed in different ways, such as as a decimal or percentage, but the steps above are the basic method for calculating a ratio.

Let the number of boys be 11x and the number of girls be 9x.

According to the given condition, 11x - 9x = 124

Therefore, 2x = 124

x = 62

So the number of boys is 11x = 11 * 62 = 682

And the number of girls is 9x = 9 * 62 = 558

Thus, the total number of students is the sum of the number of boys and girls, which is:

Total = 682 + 558 = 1240

Therefore, the total number of students in the class is 1240.

In conclusion, there are 682 boys and 558 girls in the class, and the total number of students is 1240.

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Answer:

7-3x<0

7 < 3x

3x > 7

x > 7/3

Hope it helps :)

Answer:

7-3x<0

7-3+5

-1

__&96&6$96&6 $96$6*"586*6)*5)"-*-*6*=$6=*)5$)5"

To find the equation of the exponential function represented by the table, we need to observe the relationship between x and y values.

Given the table: x: 0, 1, 1, 3, 2, 9, 3, 27,  y: 1, 1, 3, 9, 9, 27, 27, 81. From the table, we can see that the y-values are obtained by raising the corresponding x-values to a certain power. Specifically, the y-values are equal to 3 raised to the power of the x-values. Therefore, the equation of the exponential function is: y = 3^x.

This equation represents an exponential function where the base is 3. It shows that as the x-values increase, the y-values grow exponentially by repeatedly multiplying by 3. This exponential relationship is consistent with the values in the given table.

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L = k/f, where k is the variational constant, is the formula for the inverse variation.

A mathematical relationship between two variables in which they vary in opposing directions is referred to as an inverse proportion, also known as an inverse relationship. When one variable increases while the other decreases, this is known as having inverse proportions.

Using the variables length of violin 'l' and frequency of vibration 'f'

If the length of violin 'l' is inversely proportional to the frequency of vibration 'f', this is expressed as:

l α 1/f

l = k/f

Hence the formula for the inverse variation is l = k/f where k is the constant of variation.

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Answer:

hey its 8

Step-by-step explanation:

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Therefore , the solution of the given problem of probability comes out to be the combined data set is 0.

The evaluation of the likelihood that the claim is accurate or that a particular event will occur is the main objective of the frameworks within a method known as criteria. Chance can be represented by any number between 0 and 1, where 0 is frequently used to indicate possibility and 1 is frequently used to signify a degree of confidence. A probability diagram shows the likelihood that a particular occurrence will occur.

Here,

We can use the following algorithm to determine the lowest frequency Sheila could have gotten from any number in the combined data set:

Minimum frequency is calculated as

=>  (total rolls) * (theoretical probability - 20%).

Since there are six equally probable results when rolling a die, the theoretical probability of rolling each number is 1/6. The smallest frequency Sheila could have acquired is thus:

=> Minimum frequency = 270* (1/6 - 20%) or

=> 270*(1/6 - 0.2)

=> 270 *-0.0333)

=> -9.

The lowest frequency Sheila could have gotten is 0, though, because frequency cannot be negative.

The minimum frequency she could have determined from any number in the combined data set is 0.

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Answer:

Y= -2x-7

Step-by-step explanation:

y-3= -2(x+5)

y - 3 = -2x - 10

y= -2x -10 +3

y=-2x-7

Step-by-step explanation:

=>x⁴-5x²+4

=>x⁴-x²-4x²+4

=>x²(x²-1)-4(x²-1)

=>(x²-1)(x²-4)

=>(x+1)(x-1)(x+2)(x-2)

hope this helps you.

Answer:

slope= 1/10x and the slope represents the increase of the rental cost after x miles driven.

Step-by-step explanation:

i hope this helps :)

To help you evaluate the function F(x) = [[x]] for the indicated values:

(a) f(4.1): To evaluate the function at this value, we need to find the greatest integer less than or equal to 4.1.

Since 4 is the greatest integer less than or equal to 4.1, f(4.1) = 4.

(b) f(4.9): Similarly, for 4.9, the greatest integer less than or equal to 4.9 is 4. So, f(4.9) = 4.

(c) f(-5.5): For -5.5, the greatest integer less than or equal to -5.5 is -6. Therefore, f(-5.5) = -6.

(d) f(11/2): Since 11/2 = 5.5, we need to find the greatest integer less than or equal to 5.5. The greatest integer less than or equal to 5.5 is 5, so f(11/2) = 5.

In summary:
a) f(4.1) = 4
b) f(4.9) = 4
c) f(-5.5) = -6
d) f(11/2) = 5

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(a) (A, B) = 0, (b) ||A|| = √2, (c) ||B|| = √2, (d) d(A, B) = -1. These values are calculated using the given inner product formula and the matrices A and B.

Let's calculate the required values step by step

To find (A, B), we need to substitute the elements of matrices A and B into the given inner product formula:

(A, B) = 2(a₁₁)(b₁₁) + (a₁₂)(b₁₂) + (a₂₁)(b₂₁) + 2(a₂₂)(b₂₂)

Substituting the values from matrices A and B:

(A, B) = 2(1)(0) + (0)(1) + (0)(1) + 2(1)(0)

= 0 + 0 + 0 + 0

= 0

Therefore, (A, B) = 0.

To find ||A|| (norm of A), we need to calculate the square root of the sum of squares of the elements of A:

||A|| = √((a₁₁)² + (a₁₂)² + (a₂₁)² + (a₂₂)²)

Substituting the values from matrix A:

||A|| = √((1)² + (0)² + (0)² + (1)²)

= √(1 + 0 + 0 + 1)

= √2

Therefore, ||A|| = √2.

To find ||B|| (norm of B), we can follow the same steps as in part (b):

||B|| = √((b₁₁)² + (b₁₂)² + (b₂₁)² + (b₂₂)²)

Substituting the values from matrix B:

||B|| = √((0)² + (1)² + (1)² + (0)²)

= √(0 + 1 + 1 + 0)

= √2

Therefore, ||B|| = √2.

To find d(A, B), we need to calculate the determinant of the product of matrices A and B:

d(A, B) = |AB|

Multiplying matrices A and B:

AB = [10 + 01 11 + 00;

00 + 11 01 + 10]

= \(\left[\begin{array}{cc}0&1&\\1&0\\\end{array}\right]\)

Taking the determinant of AB:

|AB| = (0)(0) - (1)(1)

= -1

Therefore, d(A, B) = -1.

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--The given question is incomplete, the complete question is given below " Use the inner product (A,B) = 2a₁₁b₁₁ + a₁₂b₁₂ + a₂₁b₂₁ + 2a₂₂b₂₂ to find (a) (A, B), (b) ll A ll, (c) ll B ll, and (d) d (A, B) for matrices in M₂,₂

A = [1 0; 0 1]

B = [0 1; 1 0]

Thank you, Please show work"--

Therefore, the packages of buns and hotdogs will work evenly for 5 groups of 40 people each, which is a total of 200 people.

To plan a party for more than 200 people, the number of guests for which both packages of buns and hotdogs will work evenly is 40 people. Here's an explanation of how to get this answer: First, we need to find the common multiple of 8 and 10 since buns come in packs of 8 while hotdogs come in packs of 10. The common multiple of 8 and 10 is 40. Next, we need to divide the total number of people by the common multiple of 8 and 10, which is 40. So, 200 divided by 40 equals 5. Therefore, the packages of buns and hotdogs will work evenly for 5 groups of 40 people each, which is a total of 200 people. Any additional guests can be accommodated by purchasing extra packages of buns and hotdogs. So, the answer is 40 guests.

Therefore, the packages of buns and hotdogs will work evenly for 5 groups of 40 people each, which is a total of 200 people.

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Answer:

yes sir burrito

Step-by-step explanation:

c. A $33,000 car decreases in value by 30% each year.

According to the given equation V = 33,000(0.7), the value of the car (V) is determined by multiplying the initial value of $33,000 by 0.7. This indicates that the car's value decreases over time.

To determine the percentage change in value per year, we can calculate the difference between the initial value and the value after one year, and express it as a percentage of the initial value.

Initial value: $33,000

Value after one year: 33,000(0.7) = $23,100

Percentage change = ((Value after one year - Initial value) / Initial value) * 100

= ((23,100 - 33,000) / 33,000) * 100

= (-9,900 / 33,000) * 100

= -30%

The negative sign indicates a decrease in value. Therefore, option c is the correct statement that describes the situation: A $33,000 car decreases in value by 30% each year.

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Answer:

Step-by-step explanation:

0 = 0 < 3 1/

10

< 7 < 7 6/

7

0 is equal to 0 is less than 3 1/

10

is less than 7 is less than 7 6/

7

0/

70

= 0/

70

< 217/

70

< 490/

70

< 550/

70

The calculator performs basic and advanced operations with fractions, expressions with fractions combined with integers, decimals, and mixed numbers. It also shows detailed step-by-step information about the fraction calculation procedure. Solve problems with two, three, or more fractions and numbers in one expression.

Using transformations, the coordinates of the points are given as follows:

The rule for a rotation of 180º degrees about the origin is given as follows:

(x,y) -> (-x, -y).

Meaning that the signal of both the x-coordinate and of the y-coordinate is exchanged.

The coordinates of point A are given as follows:

A(-1,2).

Hence the coordinates of A' are given as follows:

A'(1, -2).

The rule for a dilation with a scale factor of k is given as follows:

(x,y) -> (kx, ky).

Meaning that each coordinate is multiplied by the scale factor.

Considering the scale factor of 2, the coordinates of A'' are given as follows:

A'' (2, -4).

Those three points are plotted on the image given at the end of the answer.

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Explanation

let the surface of the water

Given:

In triangle \(ABC, AB=9,BC=4,AC=7\).

To find:

The measure of angle C.

Solution:

We have, \(AB=9,BC=4,AC=7\). It means \(c=9,a=4,b=7\).

According to the law of cosines:

\(cos C=\dfrac{a^2+b^2-c^2}{2ab}\)

\(cos C=\dfrac{4^2+7^2-9^2}{2(4)(7)}\)

\(cos C=\dfrac{16+49-81}{56}\)

\(cos C=\dfrac{-16}{56}\)

Taking cos inverse on both sides, we get

\(C=cos^{-1} \dfrac{-16}{56}\)

\(C=106.60155\)

\(C\approx 106.6\)

Therefore, the correct option is C.

Answer:

i don't get this type of math yet

Step-by-step explanation:

The car travels 30 miles in 45 minutes with the speed 40 miles/hour with the constant speed.

Velocity is the rate and direction of an object's movement, whereas speed is the time rate at which an object is moving along a path. In other words, velocity is a vector, whereas speed is a scalar value. The distance traveled by a moving object in a specific amount of time is its speed. How quickly something is moving is determined by its speed. The distance traveled by an object in a given amount of time divided by the time gives the object's average speed.

Here,

45 minutes/60 minutes= .75 hours (this gives you the amount of time in hours)

time x speed = distance

.75 hours time x 40 mph speed = 30 miles distance

With a constant speed of 40 miles per hour, the car covers 30 miles in 45 minutes.

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Answer:

ldldlldldlsñspleleldldkkfkdosos

Given the comopound inequality:

Let's graph the compound inequality.

Here x is greater than -1 but less than or equal to 7.

To graph the inequality, we have:

Also, x is less than or greater than 7, plot a closed dot on the point 7.

Then draw a straight line connecting both points.

Hence, we have the graph below:

The value of k that makes the plane 2x-2y+z=k tangent to the sphere x²+y²+z²-126z=0 is k=63.

To find the value of k, we need to determine the point of tangency between the plane and the sphere.

First, we complete theb for the equation of the sphere: x²+y²+(z²-126z)=-126z. Rearranging the terms, we have x²+y²+(z²-126z+63²)=63². Simplifying further, we get x²+y²+(z-63)²=3969.

Comparing this equation with the standard form of a sphere, we find that the center of the sphere is (0, 0, 63) and the radius is √3969=63.

A plane is tangent to a sphere if it intersects the sphere at exactly one point. This means that the distance between the center of the sphere and the plane is equal to the radius.

Using the formula for the distance between a point (x₀, y₀, z₀) and a plane Ax+By+Cz+D=0, which is given by d = |Ax₀ + By₀ + Cz₀ + D| / √(A² + B² + C²), we can substitute the coordinates of the center of the sphere (0, 0, 63) into the equation of the plane 2x-2y+z=k and equate it to the radius:

|2(0) - 2(0) + (63) - k| / √(2² + (-2)² + 1²) = 63.

Simplifying, we have |63 - k| / √(9) = 63.

Taking the square root of both sides and multiplying by √9, we get |63 - k| = 63 * √9.

Since k>0, we consider the positive value of |63 - k|, which is 63 - k = 63 * 3.

Solving for k, we find k = 63 - 63 * 3 = 63(1 - 3) = 63 * (-2) = -126.

However, since k>0, the value of k that makes the plane tangent to the sphere is k = 63.

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3⁴ is 3 times larger than 3³, 5³ is 5 times larger than 5², 7¹⁰ is 49 times larger than 7⁸ and 17⁶ is 289 times larger than 17⁴.

3⁴ / 3³ = (3 × 3 × 3 × 3) / (3 × 3 × 3) = 3

This means that 3⁴ is 3 times larger than 3³.

5³ is 5 times larger than 5².

5³ / 5² = (5 × 5 × 5) / (5× 5) = 5

7¹⁰ is 49 times larger than 7⁸.

7¹⁰/ 7⁸ = 7² =49

17⁶ is 289 times larger than 17⁴.

17⁶ /17⁴ = 289

Hence, 3⁴ is 3 times larger than 3³, 5³ is 5 times larger than 5², 7¹⁰ is 49 times larger than 7⁸ and 17⁶ is 289 times larger than 17⁴.

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