PLEASE HELP ILL GIVE BRAINSLIEST OUT :D

The 2 given lines with the given coordinates when analyzed are seen to be; Parallel

The formula to find the slope of a line passing through two coordinates is;

m = (y2 - y1)/(x2 - x1)

Slope of Line 1 which has coordinates of (-1, 9) and (-6, -6) is;

m1 = (-6 - 9)/(-6 - (-1))

m1 = -15/-5

m1 = 3

Slope of Line 2 which has coordinates of (-7, -23) and (0, -2) is;

m2 = (-2 - (-23))/(0 - (-7))

m2 = 21/7

m2 = 3

Now the slopes of both lines are the same and as such we can say that they are parallel. It should be noted that if the were perpendicular, then their slopes will be negative reciprocals of each other.

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Answer:

True

Step-by-step explanation:

1) Add up the cost of all items.

11+4.50+2.95=18.45

2) Compare with 18.

18.45>18

Therefore, Abdurrahman got what he asked for.

Answer:

8

Step-by-step explanation:

8 - 4 = 4

    or

8 + (-4) = 4

HOPE THIS HELPS :)

Answer:

63.2%

Step-by-step explanation:

Answer: it would have to be 63.2

The slope is 9, and the y-intercept is 2.

What is a linear function?

Two distinct but related concepts are referred to by the phrase "linear function": A polynomial function of degree zero or one that has a straight line as its graph is referred to as a linear function in calculus and related fields.

Here, we have

Given: equation y = 9x - 2

we have to find the slope and the y-intercept of the linear function.

y = 9x - 2

y = 9x + (-2)

This is in the form of y = mx + c, where m is the slope and c is the y-intercept.

Hence, The slope is 9

y-intercept means where the equation cuts the y-axis. We know that in the y-axis, the value of x is 0. So, we put x = 0 in the equation to find the y-intercept.

y = 9x + (-2)

y = 9×0 - 2

y = -2

Hence, the y-intercept is -2.

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Answer:

117-12.50=w

Step-by-step explanation:

branliest plzzzzz

Answer:

50%

Step-by-step explanation:

10 divided by 2 is 5. 5 is 50% of 10, and if you add 5 to 10, you get 15.

Answer:

Principal Square Root. The unique nonnegative square root of a nonnegative real number. For example, the principal square root of 9 is 3, although both and 3 are square roots of 9. The concept of principal square root cannot be extended to real negative numbers since the two square roots of a negative number cannot be distinguished until one of the two is defined as the imaginary unit, at which point and can then be distinguished.

Step-by-step explanation:

To compare the number of baskets made by Laine and Maddie, we need to find the number of baskets each girl makes in 36 shots.

Laine makes 5 baskets for every 9 shots, so we can set up a proportion:

5 baskets / 9 shots = x baskets / 36 shots

Cross-multiplying, we get:

9x = 5 * 36

Simplifying, we have:

9x = 180

Dividing both sides by 9, we find:

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Answer:

No estoy seguro, intenta preguntarle a tu profesor

Step-by-step explanation:

Answer:

The horizontal length is 80 cm, and the vertical height is 60 cm.

Step-by-step explanation:

The aspect ratio is the ratio of the horizontal length to the vertical height.

We have a rectangle with sides 4 and 3. We can find the length of the diagonal.

We can use the Pythagorean theorem to find the length of the diagonal.

a^2 + b^2 = c^2

3^2 + 4^2 = c^2

9 + 16 = c^2

c^2 = 25

c = 5

The diagonal is 5 in the ratio.

The ratio of the horizontal length to the vertical height to the diagonal is

4:3:5

We multiply all the numbers in the ratio by the same unknown, x.

A ratio of 4:3:5 is the same as a ratio of 4x:3x:5x.

We are told that the diagonal is 100 cm, so we have

4x : 3x : 100,

but we already had a ratio of

4x : 3x : 5x, so

5x = 100, and we can find x.

5x = 100

Divide both sides by 5.

x = 20

Since x = 20, then the horizontal length 4x = 4(20) = 80,

and the vertical height 3x = 3(20) = 60

Answer: The horizontal length is 80 cm, and the vertical height is 60 cm.

Answer:

horizontal length=80, vertical length=60

Step-by-step explanation:

a^2 + b^2 = c^2

the tv is a 3:4:5 right triangle

the ratio is then changed from

3:4:5

to

60:80:100

because 100/5 = 20

so you multiply the original ratio by 20

(because the length of 100 that we are given is the hypotenuse of the triangle(diagonal of the tv))

Therefore,

the horizontal length is 80

the vertical lengt is 60

Answer:

ok

Step-by-step explanation:

Answer:

alright lol

Step-by-step explanation:

Answer:

20% of $849 is $169.8

849- 169.8

$679.2

6% of $679.2

40.752

$679.2 + $40.752

$719.9

so approx $720

Answer: $719.95

Step-by-step explanation:

Answer:

easy, the 37 is larger

Step-by-step explanation:

you owe -32 but you have more than that.

Given matrices are u=6 −3 6 and v= −4 −2 3. u•v=0u2 =81v2 =29u v2 =0

When multiplying two matrices, it is important to verify that the inner dimensions match. If you try to multiply two matrices that don't have compatible inner dimensions, you will get the following error message:

"Error using * Inner matrix dimensions must agree.

"The product of matrices AB is defined if the number of columns of A is equal to the number of rows of B.The product matrix AB is defined as follows:

If A is an m x n matrix and B is an n x p matrix then AB is an m x p matrix u•v Calculation:6 −3 6 • −4 −2 3= (6)(-4)+(-3)(-2)+(6)(3)=-24+6+18=0So, u•v=0u2

Calculation:u2 =u•u= 6 −3 6 •6 −3 6= (6)(6)+(-3)(-3)+(6)(6)=36+9+36=81

Therefore, u2 =81v2 Calculation:v2 =v•v= −4 −2 3 • −4 −2 3=(−4)(−4)+(−2)(−2)+(3)(3)=16+4+9=29Therefore, v2 =29u v2 Calculation:u v2 =u•v•v= (6 −3 6 )• ( −4 −2 3 )2u v2 =0•(−4 −2 3 )=0Therefore, u v2 =0.

Summary:Given matrices are u=6 −3 6 and v= −4 −2 3. u•v=0u2 =81v2 =29u v2 =0

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Answer:

it's 12

Step-by-step explanation:

225-81 =144 divided by 12 is 12

Answer:

1) AD = 9 in

2) DE = 9.25 in

3) ∠EDC = 36°

4) ∠AEB = 108°

5) 11.5 in

Step-by-step explanation:

1) AD = BC = 9in

2) AC = BD (diagonals are equal)

⇒ BD = 14.25

⇒ BE + DE = 14.25

⇒ 5 + DE = 14.25

DE = 9.25

3) Since AB ║CD,

∠ABE = ∠EDC = 36°

4) ∠ABE = ∠BAE = 36°

Also ∠ABE + ∠BAE + ∠AEB = 180 (traingle ABE)

⇒ 36 + 36 + ∠AEB = 180

∠AEB = 108

5) midsegment = (AB + CD)/2

= (8 + 15)/2

11.5

Answer:

where is the chart?

Step-by-step explanation:

Answer:

0.2

Step-by-step explanation:

4.5 + 3.2 = 7.7

7.7 - 7.5 = 0.2

The limit of the given function as x approaches infinity is 0.

To find the limit of the function as x approaches infinity:

lim(x → ∞) 12x²/e²ˣ

We can use L'Hôpital's rule in this case. L'Hôpital's rule states that if we have an indeterminate form of the type "infinity over infinity" or "0/0," we can differentiate the numerator and denominator separately to obtain an equivalent limit that might be easier to evaluate.

Let's apply L'Hôpital's rule:

lim(x → ∞) (12x²)/(e²ˣ)

Differentiating the numerator and denominator:

lim(x → ∞) (24x)/(2e²ˣ)

Now, taking the limit as x approaches infinity:

lim(x → ∞) (24x)/(2e²ˣ)

As x approaches infinity, the exponential term e²ˣ grows much faster than the linear term 24x. Therefore, the limit is 0.

lim(x → ∞) (24x)/(2e²ˣ) = 0

So, the limit of the given function as x approaches infinity is 0.

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The equation representing the transformation of the parent function f(x) = x^4, where the y-intercept is translated 3 units to the right and 1 unit down, is f(x) = (x - 3)^4 - 1.

In this transformation, the parent function f(x) = x^4 is shifted horizontally to the right by 3 units. This shift is achieved by subtracting 3 from the x-coordinate within the function, resulting in (x - 3)^4. The exponent of 4 remains the same, as it represents the power to which x is raised.

Additionally, the function is shifted vertically downward by 1 unit, which is accomplished by subtracting 1 from the entire function. The constant term -1 accounts for this translation, giving us (x - 3)^4 - 1 as the equation representing the transformation of the parent function.

Therefore, the equation f(x) = (x - 3)^4 - 1 represents the translated function where the y-intercept is shifted 3 units to the right and 1 unit down from the parent function f(x) = x^4.

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Answer:

10 weeks

Step-by-step explanation:

I added downwards like this=

50      0

5 (55) 10(10)

5 (60) 10 (20)

5 (65) 10 (30)

5 (70) 10 (40)

5 (75) 10 (50)

5 (80) 10 (60)

5 (85) 10 (70)

5 (90) 10 (80)

5 (95) 10 (90)

5 (100) 10 (100)

As you can see, they both are equal to 100 after 10 weeks.

In calculating chi-square test statistics, we use the squared difference between the observed (O) and expected (E) values in each cell, divided by the expected value (E). This is referred to as the squared difference, denoted as option C.

The expected number of successes for the Rosi treatment group is given as 126.12, which corresponds to option C.

Regarding the statement, if the three treatments are not equally effective, to reject the null hypothesis, the chi-square statistic for this example will be larger. This statement is true. When the treatments are not equally effective, there will be larger differences between the observed and expected values, leading to a larger chi-square statistic. This increased statistic indicates a greater deviation from what would be expected under the null hypothesis, providing evidence to reject it.

In the given table for testing independence in 2-way tables, the observed values are presented alongside the expected values (in parentheses) for each category. The total counts for each row and column are also provided.

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Josh should mix 1.2 gallons of dark pink paint and 1.8 gallons of light pink paint to achieve the desired medium pink color.

To find out how much of each leftover paint Josh should mix to achieve a medium pink color (50% red), we can set up a system of equations based on the percentages of red in the paints.

Let's assume that Josh needs x gallons of dark pink paint and y gallons of light pink paint to achieve the desired color.

The total amount of paint needed is 3 gallons, so we have the equation:

x + y = 3

The percentage of red in the dark pink paint is 80%, which means 80% of x gallons is red. Similarly, the percentage of red in the light pink paint is 30%, which means 30% of y gallons is red. Since Josh wants a 50% red mixture, we have the equation:

(80/100)x + (30/100)y = (50/100)(x + y)

Simplifying this equation, we get:

0.8x + 0.3y = 0.5(x + y)

Now, we can solve this system of equations to find the values of x and y.

Let's multiply both sides of the first equation by 0.3 to eliminate decimals:

0.3x + 0.3y = 0.3(3)

0.3x + 0.3y = 0.9

Now we can subtract the second equation from this equation:

(0.3x + 0.3y) - (0.8x + 0.3y) = 0.9 - 0.5(x + y)

-0.5x = 0.9 - 0.5x - 0.5y

Simplifying further, we have:

-0.5x = 0.9 - 0.5x - 0.5y

Now, rearrange the equation to isolate y:

0.5x - 0.5y = 0.9 - 0.5x

Next, divide through by -0.5:

x - y = -1.8 + x

Canceling out the x terms, we get:

-y = -1.8

Finally, solve for y:

y = 1.8

Substitute this value of y back into the first equation to solve for x:

x + 1.8 = 3

x = 3 - 1.8

x = 1.2

Therefore, Josh should mix 1.2 gallons of dark pink paint and 1.8 gallons of light pink paint to achieve the desired medium pink color.

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Answer:

hope it helps

Step-by-step explanation:

I hope u can understand

To write 10 more than a number, we use the mathematical operation of addition and the notation 10 + Number = N+10.

To write 10 more than a number, we need to use the mathematical operation of addition. Addition is the process of combining two or more numbers to find the total or sum.

In this case, we are given the number 5 and we are asked to find the number that is 3 more than it. To do this, we can use the mathematical notation: 10 + Number = N+10.

This notation means that we are adding 10 to a number, which results in N+10. The "+" symbol is the addition operator and it is used to indicate that we are performing an addition operation. The "=" symbol is used to indicate that the result of the addition is N+10.

Another way to write 10 more than a number is to use the phrase "10 plus a number". This phrase indicates that we are adding 10 to a number to get N+10.

Therefore, In short, to write 10 more than a number, we use the mathematical operation of addition and the notation 10 + Number = N+10. This means that we are adding 10 to a number, resulting in N+10. It can also be written as "10 plus N", indicating the same operation.

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Answer:

Albert = 22

Bill = 22 - 2 = 20

Claire = 22/2 = 11

David = 3(20) = 60

Step-by-step explanation:

Let Albert's age = x

Bill = x - 2

Claire = x/2

David = 3(x - 2)

Total sum of their ages = 113

x + x - 2 + 0.5x + 3(x - 2) = 113

x + x - 2 + 0.5x + 3x - 6 = 113

x + x + 3x + 0.5x -2 - 6 = 113

5.5x - 8 = 113

5.5x = 113 + 8

5.5x = 121

x = 121 / 5.5

x = 22

Albert = 22

Bill = 22 - 2 = 20

Claire = 22/2 = 11

David = 3(20) = 60

The correct answer is (b) all real numbers except odd multiples of π/2. The domain of validity for cscθ (cosecant) is restricted because cosecant is undefined when the sine of an angle is zero.

In the trigonometric identity cscθ = 1/sinθ, the denominator sinθ becomes zero at odd multiples of π/2 (such as π/2, 3π/2, 5π/2, etc.), resulting in a division by zero error. Therefore, the cosecant function is not defined for these values of θ.

For all other real numbers θ, the sine function is non-zero and well-defined, allowing us to calculate the reciprocal of the sine and determine the value of the cosecant. Hence, the domain of validity for cscθ is all real numbers except odd multiples of π/2, as stated in option (b).

It's important to note that in trigonometry, the domain of validity is determined by avoiding any values that would lead to undefined expressions or division by zero errors.

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The domain of validity for csc θ = 1/sin θ is all real numbers except multiples of π, because at these points the sine function equals zero, and division by zero is undefined.

In mathematics, the cosecant function (csc), is defined as the reciprocal of the sine function, or 1/sinθ. The domain of a function are all the possible input values that will yield real numbers (output). For the csc function, its domain includes all real numbers except where the denominator is zero because division by zero is undefined.

In the unit circle context, sine equals zero at 0, π, 2π, ..., and the negative counterparts. Basically, these are the multiples of π. Thus, for the csc function, the domain is all real numbers except multiples of π, which matches option d in your choices.

The domain of validity for csc θ = 1/sin θ is all real numbers except multiples of π.

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The effective interest rate that Marina will be paying is approximately 12.8%.

The percentage of interest on a loan or financial product if compound interest builds up over the course of a year during which no payments are made is known as the effective interest rate, also known as the effective annual interest rate, annual equivalent rate, or simply effective rate.

The percentage of interest on a loan or financial product if compound interest builds up over the course of a year with no payments made is known as the effective interest rate (EIR), effective annual interest rate, annual equivalent rate (AER), or simply effective rate.

EAR = (1 + (APR/365))^365 - 1

Plugging in the values given, we get:

EAR = (1 + (47/365))^365 - 1

EAR = 1.12824652087 - 1

EAR = 0.12824652087

So the effective interest rate that Marina will be paying is approximately 12.8%.

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