The product of (a + b)(a − b) is a perfect square trinomial. (1 point)

a
Sometimes

b
Always

c
Never

Answer:

6x-10 =32

Step-by-step explanation:

Let the number be x

the product of 6 and a number

6x

ten less than

6x-10

That is equal to 32

6x-10 =32

The length of the tail if it's half the insects total length as described in the task content is; 7/16 inches.

It follows from the task content that the length of the tail of the insect whose length is as given is to be determined.

Since the given length of the insect is; 7/8 inches.

Also, the tail of the insect is half the insects to tak length.

Consequently, the expression which holds true for the length of the tail is;

(1/2) × (7/8)

= 7/16.

The length of the insect's tail is therefore; 7/16 feet.

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To determine the Mean Absolute Deviation (MAD), we need the actual sales data and the forecasted values. Since the actual sales data is not provided, it is not possible to calculate the MAD accurately.

MAD is calculated by taking the average of the absolute differences between the forecasted values and the actual values. Without the actual sales data, we cannot compute the absolute differences and find the MAD.

To calculate the MAD, you will need the actual sales data and the corresponding forecasted values for each day. Then, you can calculate the absolute differences between the actual and forecasted values, take their average, and round the result to two decimal places to obtain the MAD.

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In a multiple regression problem involving two independent variables, if b1 is computed to be 2.0, it means that B. the estimated mean of y increases by 2 units for each increase of 1 unit of x1, holding x2 constant

Multiple regression is a statistical technique for examining the relationship between a single dependent variable and a number of independent variables. The goal of multiple regression analysis is to use known independent variables to predict the value of a single dependent variable.

Multiple regression predicts the value of one dependent variable by taking into account the values of the available multiple independent variables. For example, suppose a researcher decides to study the performance of students at a school over time.

In this case, the correct option is B.

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Answer:

First side=7

Second side =28

Third side =8

explanation:

Perimeter of a triangle is the sum of the length of the sides of the triangle. Given that the perimeter of the triangle = 43 inches

Second side is 4 times the first side

Third side is 1 inch longer the first

Let's call the first side x

Then equation for the perimeter of the triangle is given by

x+4x+x+1=43

We solve for x

6x+1=43

6x=43-1

6x=42

x=42/6

x=7

Therefore the first side x=7, the second side is 4x= 4*7=28, third side= 1+x= 1+7=8

Answer:

the equation is x-6

pls mark me as brainliest

Answer:3

Step-by-step explanation:

Answer:

negative

Step-by-step explanation:

Answer:

Negative

Step-by-step explanation:

The line is going down, which means that it is decreasing...which makes it negative.

Hope this helps! :)

Answer:

0.25

Step-by-step explanation:

1 divided by 4 = 0.25

The value of the rational number rounded to the nearest hundredths is given by A = 0.25

There are basically two rules while rounding up numbers

If the number you are rounding is followed by 0, 1, 2, 3, or 4, round the number down and if the number you are rounding is followed by 5, 6, 7, 8, or 9, round the number up.

Non-zero digits are always significant

Zeros between non-zero digits are always significant

Leading zeros are never significant

Trailing zeros are only significant if the number contains a decimal point

Given data ,

Let the rational number be represented as A

Now , the value of A is

A = ( 1/4 )   be equation (1)

On simplifying , we get

The value of 1 divided by 4 is 25 %

So , A = 0.25

On rounding the number 0.25 to the nearest hundredths , we get

A = 0.25

Therefore , the value of A is 0.25

Hence , the rounded number is A = 0.25

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Answer:

20 is 35.0877193% of 57

Step-by-step explanation:

Answer:

35.09

Step-by-step explanation: Hope this helps!

Answer:

b = -4/5

Step-by-step explanation:

Alright, let's look at this.

-7b - 3 = 3b + 5.

To isolate the variable, we can subtract 3b from both sides to get:

-10b - 3 = 5

Now, we can add 3 to both sides!

-10b = 5 + 3 = 8

So, our resulting equation is

-10b = 8

To isolate the variable by itself (without the pesky -10 bothering us), we can divide the equation by -10 :)

b = -8/10, simplified to -4/5

I don't believe there is more than one solution to this!

Answer:

\(b= -\frac{4}{5}\)

Step-by-step explanation:

\(-7b - 3 = 3b + 5\)

\(-10b = 8\)

\(\frac{-10b}{-10} = \frac{8}{-10}\)

\(b = -\frac{4}{5}\)

​

Answer:

D.3

Step-by-step explanation:

We are going to use the Slope Formula --> (y2-y1)/(x2-x1)

(9-3)/(3-1)=6/2=3

Answer:

3= 1/3

25=100/25

i dont know about 6a on what u want me to do

sorry

Step-by-step explanation:

Answer:

5

Step-by-step explanation:

6-(-8÷4)+1

6--2+1

6--1

5

The length of the curve defined by the polar equation r = 8a cos(theta) over the interval [-π/16, π/16] is πa units.

To find the length of the curve defined by the polar equation r = 8a cos(theta) over the interval [-π/16, π/16], we can use the arc length formula for polar curves.

The arc length formula for a polar curve is given by:

L = ∫[a, b] √(r^2 + (dr/dθ)^2) dθ

In this case, we have:

r = 8a cos(theta)

dr/dθ = -8a sin(theta)

Substituting these values into the arc length formula and simplifying, we get:

L = ∫[-π/16, π/16] √(64a^2 cos^2(theta) + 64a^2 sin^2(theta)) dθ

L = ∫[-π/16, π/16] √(64a^2) dθ

L = 8a ∫[-π/16, π/16] dθ

Integrating the constant term, we have:

L = 8a [θ] from -π/16 to π/16

L = 8a (π/16 - (-π/16))

L = 8a (2π/16)

L = 8a (π/8)

L = πa

Therefore, the length of the curve defined by the polar equation r = 8a cos(theta) over the interval [-π/16, π/16] is πa units.

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The probability of getting three heads when tossing three coins is 1/2 x 1/2 x 1/2 = 1/8.

1/8

The probability of getting a head or a tail when flipping a coin is 1/2.  

Therefore, the probability of getting two heads when tossing two coins is 1/2 x 1/2 = 1/4.

The probability of getting three heads when tossing three coins is 1/2 x 1/2 x 1/2 = 1/8.

Since each person is tossing three coins, the probability that they both obtain the same number of heads is 1/8.

The probability of getting n heads when tossing n coins is 1/2^n. Therefore, the probability of getting the same number of heads when two people toss n coins is 1/2^n. This means that if two people each toss a coin, the probability that they both get heads is 1/4; if they each toss two coins, the probability that they both get two heads is 1/16; if they each toss three coins, the probability that they both get three heads is 1/64; and so on.

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The probability that the next card Scarlett selects will have an anglerfish on it is 2/15, or approximately 0.1333.

To find the probability of selecting an anglerfish on the next card, we need to calculate the ratio of the number of anglerfish cards to the total number of cards in the deck.

From the given information, Scarlett selected 2 anglerfish cards during her previous selections.

The total number of cards she selected is 2 + 3 + 1 + 4 + 5 = 15.

Therefore, the probability of selecting an anglerfish card on the next draw is 2/15.

Calculate the total number of cards Scarlett selected.

2 + 3 + 1 + 4 + 5 = 1

Calculate the number of anglerfish cards Scarlett selected.

Scarlett selected 2 anglerfish cards.

Calculate the probability of selecting an anglerfish card on the next draw.

Probability = Number of anglerfish cards / Total number of cards

Probability = 2 / 15

Probability ≈ 0.1333

Thus, the probability that the next card Scarlett selects will have an anglerfish on it is 2/15, or approximately 0.1333.

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- #4 -

y = 12

[] First we will solve for x. Our angles with x are vertical angles, so they can be set equal to each other

8x - 61 = 6x - 13

8x - 48 = 6x

-48 = -2x

24 = x

[] Then, we will plug it into one of the angles (with x) and solve:

8x - 61

8(24) - 61

192 - 61 = 131

[] Last, these are supplementary angles so we can add them together and set it equal to 180:

131 + 3y + 1 = 180

132 + 2y = 180

2y = 48

y = 12

- #6 -

y = 22

[] First we will solve for x. These angles are vertial angles, so we can do the following:

9x + 42 = 15x

42 = 6x

7 = x -> x = 7

[] Then, we will plug it into one of the angles (with x) and solve:

15x = 15(7) = 105

[] Last, we will solve for y. These are supplementary angles so we can add them together and set it equal to 180:

4y - 13 + 105 = 180

4y + 92 = 180

4y = 88

y = 22

- #7 -

y = 9

[] First we will solve for x. They are supplementary angles so we can add them together and set it equal to 180:

x + 21 + 3x + 11 = 180

4x + 32 = 180

4x = 148

x = 37

[] Then, we will plug it into one of the angles (with x) and solve:

3x + 11 = 3(37) + 11 = 111 + 11 = 122

[] Last, we will solve for y. These are vertical angles, so they can be set equal to solve:

122 = 14y - 4

126 = 14y

9 = y

- See attached for where I pulled numbers from -

Have a nice day!

     I hope this is what you are looking for, but if not - comment! I will edit and update my answer accordingly. (ノ^∇^)

- Heather

Answer:

15.50 x 32.25=499.875

Answer:

-20

Step-by-step explanation:

For k(x)=3/4x-11 substitute x with -12

=3/4(-12)-11

=-20

The number of ways to choose 2 items from a set of n items is
[(n-1)(n-2)]/2.

Combinations represent the choice of items from a predetermined group of items. We're not trying to arrange anything here. We're going to pick them. We use the symbol ⁿCr to represent the number of distinct r-selections or combinations among a set of n objects.

The formula for combinations is given by

Here we have

Number of items = n

The number of items that need to be chosen = 2

By given combination formula,

Number of ways are there to choose 2 items from a set of n items

=>  ⁿC₂ = n!/ 2![n- 2]!  

= (n - 1) × (n - 2) × (n - 3) .... (n - (n-1))/ [ 2! (n -2 - 1) × (n - 2 - 2) ..... ]    

= (n - 1) × (n - 2) × (n - 3) .... (n - (n-1))/ [ 2! (n -3) × (n -4) (n -5) ..... ]

= (n - 1)(n-2)/2 × 1

= [(n-1)(n-2)]/2    

Therefore,

The number of ways to choose 2 items from a set of n items is
[(n-1)(n-2)]/2  

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Answer:

60.83 percent hope it helps

Answer:

-10

Step-by-step explanation:

1. First, let's simplify both sides of the equation.

2. To find the missing value to make the equation have infinitely many solutions, we need to make both sides of the equation equal.

3. Given that information, means that 4x - 10 has to equal 4x + (-10) because:

4. Now, with the information in #2, let's see if it's true:

Therefore, the missing number is -10.

Answer:

I believe it is D

Step-by-step explanation:

hope this helps!!

ik bc im smart ;)

The slope of the data given in the table is -1.

To find the slope indicated in the given table, we will use the formula for calculating the slope, which is:

Slope = (change in y) / (change in x)

First, let's find the change in y and the change in x by selecting two points from the table. We can choose points (8, 2) and (6, 4).

Change in y = y2 - y1 = 4 - 2 = 2

Change in x = x2 - x1 = 6 - 8 = -2

Now, apply the slope formula:

Slope = (change in y) / (change in x) = 2 / (-2) = -1

Therefore, slope of the data indicated in the table is -1.

Note: The question is incomplete. The complete question probably is: What is the slope indicated in the table below?

X: 8 6 4 2

Y: 2 4 6 8

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Answer 1/16

Step-by-step explanation:

= 2^-4 / 1

= 2^-4

=1/2^4

=1/16

The simplest form of the given equation 2⁻⁴/4⁰ is 1/16.

A mathematical expression is simplified when it is replaced with a simpler, typically shorter, equivalent statement. Simplifying procedures is one way to achieve uniformity in work efforts, expenses, and time. It reduces diversity and variety that is pointless, harmful, or unnecessary.

Given an expression 2⁻⁴/4⁰

simplifying it

=> 2⁻⁴/1

=> 1/ 2⁴

=> 1/16

therefore, the simplest form of the given equation is 1/16.

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Answer:

the battery rate is 6.5

Step-by-step explanation:

Answer:

2 percent per minute

Step-by-step explanation:

The rate at which the battery was charged is equivalent to the rate of change of this relationship. In linear relationships, the rate of change is represented by the slope of the line. We can calculate this slope from any two points on the line. Two points whose coordinates are clearly visible from the graph are (0,40) and (5,50). Now, to find the slope, let's take the ratio of the corresponding differences in the y-values and the x-values: 50-40/5-0=10/5=2. The slope of the line is 2, which means the battery was charged at a rate of 2 percent per minute.