What is the answer plwese help!?!"!.!

Answer:

hey thanks for ur points too

Step-by-step explanation:

The the length of each side of the triangle are: 5 units, 8.7 units and 10 units respective

A triangle is a polygon with three sides, three angles, three vertices and sum of angles equal to 180 degrees

From the triangle, Using the trigonometric ratio of sine

Sin C = opposite/Hypothenuse

Sin30 = 5/H

Making h the subject of the relation we have

h= 5/sin30

h=5/0.5

Therefore the value of h=10 units

To find the third side use Pythagoras theorem

10² = 5²+p²

100-25 = p²

75 = p²

Taking the square of both sides

p=√75

p=8.7 units

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Answer: It would be the first one (20 pens for 8$)

Step-by-step explanation: If you divide 20 by 8 then each pencil will be 2.50$. However if you divide 30 by 10 it will be 3 dollars for each pencil so the first deal will be better since you spend less money.

Step-by-step explanation:

To eliminate x in the system of equations:

1. Multiply Equation 1 by 9 and multiply Equation 2 by -4, this gives:

Equation 1: 36x -54y = 90

Equation 2: -36x - 8y = -28

2. Add the two equations together to eliminate x:

(36x - 54y) + (-36x - 8y) = 90 - 28

Simplifying, we get:

-62y = 62

3. Solve for y:

y = -1

4. Substitute y = -1 into one of the original equations, say Equation 1:

4x - 6(-1) = 10

Simplifying, we get:

4x + 6 = 10

5. Solve for x:

4x = 4

x = 1

Therefore, the solution to the system of equations is x = 1 and y = -1. We can check that these values are correct by substituting them back into the original equations and verifying that they satisfy both equations.

Answer:

The circle equation is  x2+y2=9

Step-by-step explanation:

∴ The equation is x2 + y2=9

a. The equation of the line of best fit is y = 1.2x + 375.

b. The correlation coefficient for the line of best fit is 0.97.

c. The correlation coefficient of 0.97 is very close to 1, which indicates that there is a strong positive correlation between the number of calories and the amount of sodium in beef hot dogs.

Mean of x-values: (186 + 181 + 176 + 149 + 184 + 190 + 158 + 139) / 8 = 169

Mean of y-values: (495 + 477 + 425 + 322 + 482 + 587 + 370 + 322) / 8 = 437.5

Calculate the slope of the line of best fit.

Slope = (y2 - y1)/(x2 - x1) = (587 - 495)/(190 - 186) = 1.2

Calculate the y-intercept of the line of best fit.

y-intercept = mean of y-values - slope * mean of x-values

= 437.5 - 1.2 * 169

= 375

The equation of the line of best fit is y = 1.2x + 375.

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Answer:

12 weeks.

Step-by-step explanation:

On the twelfth week they will both have saved $160.

hope this helps.

Answer:

-57.6=x

Step-by-step explanation:

-22.3= x/3-3.1
-19.2=x/3
-57.6=x

Hello!

Answer:

x = 3

Step-by-step explanation:

Hope this helps!

Answer:

-5x + 15 = 2x - 6

15 = 7x - 6

21 = 7x

x = 3

Step-by-step explanation:

Hope it Helps

Answer: Z=-5

Step-by-step explanation:

we want to group Z on only one side of the equation

-18=Z-3+2Z

-18-Z-2Z=-3 (subtract Z and 2Z from both sides, to remove Z from one side and to move it to the other side)

-3Z=-3+18 (regroup Z and add 18 on both sides, to have Z on only one side)

-3Z=15 (add -3+18)

3Z=-15 (multiply both sides by -1 to get a positive Z)

Z=-5 (divide both sides by 3)

Answer:

0

It runs parallel to the z-axis and so has a zero slope

Therefore, nine rabbits will need 7.5 sacks of food for one week.

The unitary method is a mathematical technique that involves finding the value of a single unit to determine the value of a given number of units. It is a method of solving mathematical problems that involve proportional relationships between quantities. The unitary method is commonly used in various areas of mathematics, such as algebra, arithmetic, and geometry. It is also used in everyday life to solve problems related to money, time, distance, and other quantities.

Here,

To solve this problem, we can use proportionality. We know that the number of sacks of food needed is directly proportional to the number of rabbits.

Let x be the number of sacks needed for 9 rabbits. Then, we can set up the following proportion:

6/10 = 9/x

Cross-multiplying, we get:

6x = 90

Dividing both sides by 6, we get:

x = 15/2 or 7.5

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Complete question:

If six rabbits need 10 sacks of food per week, how many sacks will nine rabbits need to eat for one week?

Answer:

43.2 oz

Step-by-step explanation:

4.8/x=10/100

simplify:

4.8/x=1/10

cross multiply:

x=48

there is 48 oz juice in total

to find the rest:

48-4.8=43.2

43.2 oz is something other than fruit juice.

The B is 2. B is the Y Intercept.

The method of proof required to prove the statements are are as follows:(a) proof by contradiction. (b)  proof by construction. and (c) proof by contrapositive.

a) To prove the statement "there are no integers x and y such that x is a prime greater than 5 and x 6y 3", we can use proof by contradiction.

The proof starts by assuming that there exist integers x and y such that x is a prime greater than 5 and x 6y 3. We then show that this assumption leads to a contradiction, i.e., a statement that cannot be true.

Suppose that x is a prime greater than 5 and x 6y 3 for some integers x and y. Then, we can write x as x = 6y + 3 = 3(2y + 1). This means that x is divisible by 3 and hence cannot be a prime greater than 5, contradicting our initial assumption. Therefore, our assumption that there exist integers x and y such that x is a prime greater than 5 and x 6y 3 is false, and the statement is proven.

b) To prove the statement "for all integers n, if n is a multiple of 3, then n can be written as the sum of consecutive integers", we can use proof by construction.

The proof starts by taking an arbitrary integer n that is a multiple of 3. We then construct a sequence of consecutive integers whose sum is equal to n.

Let k = n/3 be an integer. Then, we can write n as n = 3k. We can now construct a sequence of consecutive integers starting from k - (k-1) = 1 and ending at k + (k-1), such that their sum is n. For example, if k = 4, then the sequence is 1, 2, 3, 4, 5, 6, 7, and their sum is 3k = 12 = 1+2+3+4+5-6-7. Since we can construct such a sequence for any integer n that is a multiple of 3, the statement is proven.

c) To prove the statement "for all integers a and b, if a 2 b 2 is odd, then a or b is odd", we can use proof by contrapositive.

The contrapositive of the statement is: "if both a and b are even, then a 2 b 2 is even". To prove this, we can use the properties of even numbers, which can be written in the form 2k for some integer k.

Suppose that both a and b are even. Then, we can write a = 2m and b = 2n for some integers m and n. Substituting these values into the expression a 2 b 2, we get:

a 2 b 2 = (2m)2 (2n)2 = 4m2n2 = 2(2m2n2).

Since 2m2n2 is an integer, we have shown that a 2 b 2 is even. Therefore, the contrapositive statement is true.

Since the contrapositive statement is true, the original statement "for all integers a and b, if a 2 b 2 is odd, then a or b is odd" must also be true, because it is the logical equivalent of the contrapositive.  

Therefore, the mentioned statements are proved with the methods of contradiction, construction, and contrapositive.

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The parametric equations are mathematically given as

(x(t), y(t), z(t))= (2-4t, 1-t, t)

Generally, To express the parametric point from A (2,1,0) to B(-2,0,1) in parametric form, we can use the following equation:

P(t) = (2-4t, 1-t, t)

To find the parametric equations for a point moving from A to B, we can use the following formula:

x = x₁ + t(x₂ - x1)

y = y₁ + t(y₂ - y₁)

z = z₁ + t(z₂ - z₁)

Where (x₁, y₁, z₁) is the starting point (A), (x₂, y₂, z₂) is the ending point (B), and t is a parameter that varies from 0 to 1.

Using this formula, the parametric equations for a point moving from A (2,1,0) to B(-2,0,1) are:

x = 2 + t(-2 - 2)

= 2 - 4t

y = 1 + t(0 - 1)

= 1 - t

z = 0 + t(1 - 0)

= t

These equations describe the motion of a point that starts at A, moves along the line segment from A to B, and arrives at B when t = 1.

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The complete Question was found

Find parametric equations for the line. (Use the parameter t.)

The line through points A (2,1,0) to B(-2,0,1)

(x(t), y(t), z(t))= \((\square)\)

The equivalent ratios are 8: 6 and 12:9.    

Two ratios are equivalent if they represent the same proportion or relative size. To find an equivalent ratio, we can multiply both terms of the ratio by the same non-zero number. This doesn't change the condition between the two terms.  

Here we have 4:3

To find equivalent ratios, we can multiply both terms by the same number.

Multiplying by 2

=> 4 × 2 : 3 × 2

=> 8 : 6

Multiplying by 3

=> 4 × 3 : 3 × 3

=> 12: 9

Therefore,

The equivalent ratios are 8: 6 and 12:9.    

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Complete Question

What is the equivalent ratio for 4: 3

The quadratic function f whose zeros are -4 and -1 is f(x) = x² + 5x + 4.

Roots are the points where the graph intercepts with the x-axis, at that point y or f(x) = 0.

Given the roots in the question;

-4 and -1.

x = -4 was found by solving for x when x - (-4) = y or f(x) and we know that y or f(x) = 0

Hence, the factor is

x - (-4) ⇒ ( x + 4 )

x = -1 was found by solving for x when x - (-1) = y or f(x) and we know that y or f(x) = 0

Hence, the factor is

x - (-1) ⇒ ( x + 1 )

Next, we combine the factors and expand;

f(x) = ( x + 4 )( x + 1 )

f(x) =  x( x + 1 ) +4( x + 1 )

f(x) = x² + x + 4x + 4

Combine like terms

f(x) = x² + 5x + 4

Therefore, the quadratic function f whose zeros are -4 and -1 is f(x) = x² + 5x + 4.

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Answer:

A

Step-by-step explanation:

y + 3 = -6(x + 2)

y + 3 = -6x - 12

y + 3 = -6x - 12

y = -6x - 15

Answer:

Step-by-step explanation:

Our environment is very important to us because it is where we live and share resources with other species. ... Environmental science enlightens us on how to conserve our environment in the face of increasing human population growth and anthropogenic activities that degrade natural resources and ecosystems. hope it help

Answer:

$4,204

Step-by-step explanation:

Ehthan A = $3,999.73

A = P + I where

P (principal) = $2,400.00

I (interest) = $1,599.73

After 9.75 years

A = $4,204.24

Susan: A = P + I where

P (principal) = $2,400.00

I (interest) = $1,804.24

First, convert R as a percent to r as a decimal

r = R/100

r = 5.75/100

r = 0.0575 rate per year,

Then solve the equation for A

A = Pert

A = 2,400.00(2.71828)^(0.0575)(9.75)

A = $4,204.24

The total amount accrued, principal plus interest, with compound interest on a principal of $2,400.00 at a rate of 5.75% per year compounded continuously over 9.75 years is $4,204.24.

The function is positive on the interval (-1, 1)," is the only answer that is accurate. Due to the fact that the function accepts positive values for x between -1 and 0, accepts 0 at x = 0, and then accepts positive values.

When a function is specified at each point along an interval without any gaps, leaps, or interruptions, the interval is said to be continuous for that function.

When we examine the function's graph, we can observe that:

Because the function accepts negative values for x > 1 and positive values for x -1, it does not have a maximum value of 0.

The function does not approach as x approaches. Instead, as x rises, the function alternates between positive and negative values.

There are times when the function increases. Rather, it is rising on the interval (1, ) and falling on the intervals (-, 1). At x = -1, it has a local minimum, while at x = 1, it has a local maximum.

Due to the fact that it accepts negative values for x between -1 and 0, the function is not positive on the range (-1, 1).

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Answer:

3

Explanation:

Given;

To be able to determine the quotient of the above, we have to introduce the multiplication sign and invert the second fraction as seen below;

The ABCD rectangle with BC as the radius is:

answer: the range is 41.

to find the range of this data set, we first need to find the minimum and maximum values - which are 59 and 100.

then we subtract the minimum from the maximum.

59 - 100 = 41.

In a frequency distribution, class width refers to the difference between the upper and lower boundaries of any class or category. It is calculated as:

Where "greatest" and "lowest" are the greatest and the lowest numbers of the whole set of data, and "n" is the number of classes. Hence, the class width is 2.85