92.3- (3.2 ÷ 0.4) × 2³

Answer:

W

Step-by-step explanation:

It intercepts the y at 2 and x at -3

Answer:

W.

Step-by-step explanation:

The y-intercept of 2 can be found on the vertical line ( up and down ) and the x-intercept of -3 can be found on the horizontal line ( left to right )

Therefore the answer would be graph W.

The population of white tailed deer was increased by 40 times .

What are white tailed deer?

The medium-sized white-tailed deer is a native of North America, Central America, and South America as far south as Peru and Bolivia. It is often referred to as the white tail or Virginia deer.

Main body:

population of white tailed deer in 1905 = 5*10^5

population of white tailed deer in 2000 = 2*10^7

Population increase can be calculated by using simple division ,

calculating :

⇒ 2*10⁷/5*10⁵

⇒ 2*10⁽⁷⁻⁵⁾/ 5

⇒ 2*10²/ 5

⇒ 200/5

⇒ 40

Hence population increased by 40 times from 1905 to 2000 for white tailed deer.

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The goal of a confidence interval is to provide a range of values that are reasonable for the parameter of interest. So the correct option is (A).

The goal of a confidence interval is to provide a range of values that is reasonable for the parameter of interest. The confidence interval is based on the sample data and the level of confidence. The level of confidence is the probability that the confidence interval contains the true value of the parameter.

The confidence interval is calculated using the sample mean, the sample standard deviation, and the level of confidence. The confidence interval is calculated by adding and subtracting the margin of error from the sample mean. The margin of error is the product of the critical value and the standard error. The critical value is based on the level of confidence. The standard error is the standard deviation of the sampling distribution.

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The equation of the line in point slope form is (c) y - 6 = -2(x + 2)

The graph represents the given parameter

On the graph, we have the following points

(x, y) = (2, -2) and (-2, 6)

The slope of the line is then calculated using the following slope equation

Slope = (y₂ - y₁)/(x₂ - x₁)

Where

(x, y) = (2, -2) and (-2, 6)

Substitute the known values in the above equation

So, we have the following equation

m = (6 + 2)/(-2 - 2)

Evaluate

m = -2

The equation of a line can be represented as

y  - Y = m(x - X)

Where

Slope = m = -2

(X, Y) = (-2, 6)

So, we have

y - 6 = -2(x + 2)

Hence, the line has an equation of y - 6 = -2(x + 2)

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Answer:

43446

Step-by-step explanation:

52 weeks in an year

835.5*52

= 43446

Based on the calculation below, the number of years the person must leave the money in the bank until it reaches 6500 dollars is 4.3 years.

This can be calculated using the formula for calculating the future value (FV) as follows:

FV = PV(1 + r)^n ......................... (1)

Where:

FV = future value or the amount in the bank after certain years = 6500

PV = present value or the amount invested = 5000

r = quarterly interest rate = 6.25% / 4 = 0.0625 / 4 = 0.015625

n = number of quarters

Substituting relevant values into equation (1) and solve for n, we have:

6500 = 5000(1 + 0.015625)^n

6500 / 5000 = 1.015625^n

1.3 = 1.015625^n

Log linearize both sides, we have:

log1.3 = n * log1.015625

0.1139 = n0.0067

n = 0.1139 / 0.0067

n = 17 quarters

Number of years the money must be in the bank = n / number of quarters in a year = 17 / 4 = 4.25 years

To the nearest tenth of a year, we have:

Number of years the money must be in the bank = 4.3 years

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Answer:

Its actually 4.2

Step-by-step explanation:

saw it on delta

Answer:

Step 3 is wrong. If 3x+28=15, then 3x= 15-28

Using cross multiplication method we find out that the value of z is equals to 60. Therefore, the last option is correct.

The given equation is -

[tex]\frac{z}{-12}=-5[/tex]

We have to solve this equation.

Now,

[tex]\frac{z}{-12}=-5\\[/tex]

We have to use cross multiplication method to solve the given equation.

[tex]\frac{z}{-12}=-5\\\\= > z= (-5) (-12)\\= > z = 60[/tex]

Thus, by solving through cross multiplication method we find out that the value of z is equals to 60. Therefore, the last option is correct.

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Answer:

Step-by-step explanation:

first of all the graph is shifted up by 1 then we should add 1 to the function we have.

after that its obvious that the function is sine because if we remove the 1 we add it then it will be 0 when the angle is 0.

the function we have now is y = 1 + sin(ax).

to know the value of a we choose an angle we already know its sine for example:

2 = 1 + sin(a * 1/8)

1 = sin(a * 1/8)

sin-1(1) = PI/2 = a*1/8 => PI = 180

a = 4 * PI

at the end we will have => y = 1 + sin(4PI * x).

Answer:

A

Step-by-step explanation:

Answer: [tex]4\frac{2}{3} in;[/tex]  [tex]5\frac{2}{3} in;[/tex]  [tex]6\frac{2}{3} in[/tex]

1. The measure of angle H is 79 degrees

2. The measure of angle G is 54 degrees

What is isosceles triangle?

An isosceles triangle is one that has two sides of equal length.

The angles opposite to equal sides are equal.

1. Given is isosceles triangle

∠H=∠O = x

sum of all interior angles of a triangle= 180 degrees

22+x+x=180

2x+22=180

2x=158

x=158/2=79

So, ∠H=79

2. Given is isosceles triangle

∠D=∠O = 63

Let ∠G=x

sum of all interior angles of a triangle= 180 degrees

63+63+x=180

x+126=180

x=180-126=54

So, ∠G=54

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The solution of the equation is -3, 5+2i, 5-2i

What is solution of equation?

The solution of an equation is the array of all values that, when replaced for unknowns, make an equation true. For equations requiring one unknown, raised to a power one, two basic algebra rules involving the additive property and the multiplicative property are used to decide its solutions.

given equation is [tex]x^3+87=7x^2+x[/tex]

we can write it as

[tex]x^3+7x^2+x+87=0[/tex]

solving this cubic equation, we get

(x+3)(x2-10x+29)=0

x = -3 is the first root of the equation.

x2-10x+29 = 0

x =(-b±√b2-4ac)/2

x =(10±√-16)/2

x =5±2i

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The line is dashed with a y-intercept at (0,-2) and slope of -3/2 which is a correct option(C)

Inequality is defined as mathematical statements that have a minimum of two terms containing variables or numbers that are not equal.

-3x - 2y <6

Let's consider an equation of a line,

-3x-2y = 6

-2y = 3x + 6

y = -3/2x - 3

So, slope = -3/2

Substitute y =0 in the equation of a line

So, y-intercept at (0,-2)

Due to Inequality, the graphical representation of the line is a dashed line.

Hence, the line is dashed with a y-intercept at (0,-2) and a slope of -3/2

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Answer:

105

Step-by-step explanation:

627-102=525

525 divided by 5 is 105

Question:

4 unit squares each have 5/7 of their area shaded. What is the total area that is shaded?

The total area that is shaded=20/7  unit squares

What is the area?

A two-dimensional figure's area is the amount of space it takes up. In other terms, it is the amount that counts the number of unit squares that span a closed figure's surface. In general, square units such as square inches, square feet, etc. are used as the standard unit of area.

The total area= 4*(5/7)=20/7

This cannot be simplified any more than it is

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Answer: 9 hours

Step-by-step explanation:

Amount of money/ amount of hours worked
154/11 = 14

$14 made per hour, so $126 divide by 14 would equal to how many hours worked to have a same rate of $14 per hour.

126/14 = 9

The angles formed between the parallel lines a and b and their common transversal are; on line a; 1,2,3,4. On line b; 5,6,7,8,

A two column table can be used to prove m∠1 = m∠5 with the correct options underlined as follows;

Statements                         [tex]{}[/tex]                                 Reasons

1. a ║ b                                 [tex]{}[/tex]              1. Given

2. m∠1 + m∠3 = 180°               [tex]{}[/tex]          2. (Linear pair Theorem)

3. m∠5 + m∠6 = 180°               [tex]{}[/tex]         3. (Linear pair Theorem)

4. m∠1 + m∠3 = m∠5 + m∠6             [tex]{}[/tex]4. (Substitution property of equality)

5. m∠3 = m∠6             [tex]{}[/tex]                       5. (Alternate interior angles)

6. m∠1 = m∠5             [tex]{}[/tex]                        6. (Subtraction Property of Equality)

Parallel lines are lines on the same plane that do not intersect or have a common point as they extend indefinitely in both directions.

The theorems and properties used to prove that the angles m∠1 = m∠5 are as follows

Linear pair theorem;

The linear pair theorem states that two angles that together form a linear pair are supplementary angles (Add up to 180°)

Substitution property of equality;

The substitution property of equality states that if two variables have the same value, then one variable can replace the other variable in equations and expressions without changing their value.

Subtraction property of equality

The subtraction property of equality states that when the same quantity is subtracted from two equal expressions, the values of the new expressions will also remain equivalent

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x [tex]\geq[/tex] -9; x [tex]\leq[/tex] 6 or in interval notation [-9,6]

To find out what are the steps in solving the below inequality:

Given equation is 2x - 3 > 15

The absolute value function takes any term and transforms it to its non-negative form. Therefore, we must solve the term within the absolute value function for both its negative and positive equivalent.

−15≤2x-3≤15

First, subtract 3  from each segment of the system of equations to isolate the x term while keeping the system balanced:

−15−3≤2x-3−3≤15−3

−18≤2x-6≤12

−18≤2x-6≤12

Now, divide each segment of the system by 2 to solve for x while keeping the system balanced:

[tex]-\frac{18}{2}\leq \frac{2x}{2} \leq \frac{12}{2}[/tex]

-9 [tex]\leq[/tex] x [tex]\leq[/tex] 6

or

x [tex]\geq[/tex] -9; x [tex]\leq[/tex] 6

or in interval notation [-9,6]

on the horizontal axis.

The lines will be a solid line because the inequality operators contain "or equal to" clauses.

We will shade between the lines to show the interval:

Hence the steps to solve an inequality has been show

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Answer are

a) The Excepted value (p-hat) of p is 0.57

b) The Standard error of p is 0.05

c) Sampling distribution of p is Normal distribution

d) E(p-hat) = 0.57 , σ(p-hat) = 0.05

Excepted value or "p-hat" is defined as the ratio of number of succes in any sample or event to the total the size of sample . It is also known as sample proportion.

P-hat = X/ N

we have given that,

Sample size (N) = 100

Probability of an event occuring (p) or population proportion = 0.57

The Excepted value of sample proportion i.e p-hat is equal to population proportion i.e p

a) so, excepted value of p = 0.57

b) Standard error of p-hat is equal to square roots of product of p and (1-p) divided by sample size .

Standard error of p- hat = √p(1-p)/n

= √0.57 × 0.43/100= 0.05

c) Sampling distribution of sample mean is normal distribution using central limit theorem.

d) Sampling distribution of p shows

E(p-hat) = 0.57

σ(p-hat) = 0.05

Hence, we get all the required values of excepted value of p , standard error of p , distribution of p.

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the perimeter of the composite figure is 20cm and its area is 37cm².

what is perimeter  ?

Perimeter is the total length of the boundary of a two-dimensional shape or figure. In other words, it is the distance around the outside of a shape. To find the perimeter of a shape, you simply add up the lengths of all its sides.

In the given question,

To find the perimeter of the composite figure, we need to add up the lengths of all the sides.

Starting from the left side of the figure, we have a vertical line segment of length 6cm, followed by a horizontal line segment of length 5cm, then another vertical line segment of length 2cm, followed by a slanted line segment of length 3cm, then another horizontal line segment of length 2cm, and finally, a vertical line segment of length 2cm.

So the perimeter of the composite figure is:

Perimeter = 6cm + 5cm + 2cm + 3cm + 2cm + 2cm

Perimeter = 20cm

To find the area of the composite figure, we can break it down into simpler shapes and add up their areas.

The composite figure can be split into two rectangles, one with dimensions 6cm x 5cm and the other with dimensions 2cm x 2cm, and a right triangle with base 3cm and height 2cm.

The area of the first rectangle is:

Area = length x width

Area = 6cm x 5cm

Area = 30cm²

The area of the second rectangle is:

Area = length x width

Area = 2cm x 2cm

Area = 4cm²

The area of the right triangle is:

Area = (base x height) / 2

Area = (3cm x 2cm) / 2

Area = 3cm²

Therefore, the total area of the composite figure is:

Area = 30cm² + 4cm² + 3cm²

Area = 37cm²

So the perimeter of the composite figure is 20cm and its area is 37cm².

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Answer

the one on the bottom left

Step-by-step explanation:

Answer:

Bottom left option is correct.

Step-by-step explanation:

Now we have to find,

→ the table represents y as function of x.

Then the table will be,

→ | x || y |

| -1 || -1 |

| 0 || -1 |

| 2 || 0 |

| 3 || 2 |

(Because the values of x is not repeated)

Hence, bottom left option is correct.

Table number three represents y as a function of x.

A function is defined as the expression that set up the relationship between the dependent variable and the independent variable.

The expression that established the relationship between the dependent variable and independent variable is referred to as a function. In the function as the value of the independent variable varies the value of the dependent variable also varies.

The data in table number 3,

x     y

-1     -1

0     -1

2     0

3     2

The above table has different values of input and the other tables have different values of output at the same value as the input which is not possible.

Therefore, table number three represents y as a function of x.

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The pounds of berries that Gabrielle put in each container, given the pounds of berries she picked, are  5/6 pounds

Gabrielle was able to pick 5 ⁵/₆ pounds of berries. First convert this to an improper fraction for easier calculations:

= 5 ⁵/₆

= ((6 x 5) + 5) / 6

= 35 / 6

The pounds of berries that went into each container is:

= Pounds of berries / Number of containers

= 35 / 6 ÷ 7

= 35 /6 x 1/7

= 35/42

= 5/6 pounds

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Answer:

D 1/15 or 2/30

Step-by-step explanation:

Just make sure your subtracting and making sure that the answer choices don't throw you off, reduce all of the answers

Answer:

2/30

Step-by-step explanation:

4/6-3/5

We have to find common denominator

30 is a common factor so we change both fractions to have a denominator of 30

4x5/6x5-3x6/5x6

20/30-18/30

Now we subtract numerators and keep denominators the same

2/30

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Answer:

600 miles

Step-by-step explanation:

1 Inch = 100 Miles

6 Inches = 600 Miles

Answer:

<3, < 6, <7 are all 102,

<1, <4, <5 and <8 are all 78

Step-by-step explanation:

If you slide angles 1, 102, 3 qnd 4 down along p, they will fit perfectly over 5,6,7 and 8.  So if you find the top four angles, you have found the bottom 4 angles.

<3 is a vertical angle to 102 and vertical angles always have the same measurement.

Angles 1 and 4 are supplemental to 102.  That means that the two angles will add to 180.  180 - 102 = 78

The two x intercept of the equation [tex]y=\frac{1}{2}(x+2)^2-4[/tex] is -2(√2+1) and 2(√2-1).

In the given question we have to find the two x intercept of the equation.

The give equation is [tex]y=\frac{1}{2}(x+2)^2-4[/tex].

We can find the x intercept by putting y=0. Then solving the equation for x.

Now putting y=0 in the given equation.

0= [tex]\frac{1}{2}(x+2)^2-4[/tex]

Add 4 on both side, we get

[tex]\frac{1}{2}(x+2)^2[/tex] = 4

Multiply by 2 on both side, we get

[tex](x+2)^2[/tex] = 8

Taking square root on both side, we get

x+2 = √8

x+2 = ±2√2

Subtract 2 on both side we get

x=±2√2-2

Taking 2 common

x=2(±√2-1)

Now the values of x

x={2(-√2-1), 2(√2-1)}

x={-2(√2+1), 2(√2-1)}

Hence, the two x intercept of the equation [tex]y=\frac{1}{2}(x+2)^2-4[/tex] is -2(√2+1) and 2(√2-1).

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