Please help asap!!!!

Answer:

10

Step-by-step explanation:

It's the $10 that is to be added to the cost for each produced item.

The area under the curve between z = -1 and z = 2 in the standard normal distribution is approximately 0.8186.

The standard normal distribution, also known as the Z-distribution, is a probability distribution with a mean of 0 and a standard deviation of 1. The area under the curve represents the probability of a random variable falling within a certain range. To find the area under the curve between z = -1 and z = 2, we can use statistical tables or calculators that provide the cumulative distribution function (CDF) for the standard normal distribution. The CDF gives the probability that a random variable is less than or equal to a given value.

Using the standard normal distribution table or calculator, we find that the CDF value for z = -1 is approximately 0.1587 and the CDF value for z = 2 is approximately 0.9772. To find the area under the curve between these two z-values, we subtract the CDF value for z = -1 from the CDF value for z = 2: 0.9772 - 0.1587 = 0.8185. Therefore, the area under the curve between z = -1 and z = 2 in the standard normal distribution is approximately 0.8186. This represents the probability that a random variable from the standard normal distribution falls within the range of -1 to 2.

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Step-by-step explanation:

if this figure is rectangle then opposite side of rectangle are equal

perimeter= sum of all sides

156=5x-3+5x-3+4x+4x

156=18x-6

x=9

So length of side WX is 9. 4

WX= 36

The quadratic equation 2a^2 = -6 + 8a has two solutions: a = 3 and a = 1.

To solve the quadratic equation 2a^2 = -6 + 8a, we need to rearrange it into standard quadratic form, which is ax^2 + bx + c = 0, where a, b, and c are coefficients.

Step 1: Move all the terms to one side of the equation to set it equal to zero:

2a^2 - 8a + 6 = 0

Step 2: The equation is now in standard quadratic form, so we can apply the quadratic formula to find the solutions for 'a':

a = (-b ± √(b^2 - 4ac))/(2a)

Comparing with our equation, we have:

a = (-(-8) ± √((-8)^2 - 4(2)(6)))/(2(2))

Simplifying further:

a = (8 ± √(64 - 48))/(4)

a = (8 ± √16)/(4)

a = (8 ± 4)/(4)

Now, we can calculate the two possible solutions:

a1 = (8 + 4)/(4) = 12/4 = 3

a2 = (8 - 4)/(4) = 4/4 = 1

Therefore, the quadratic equation 2a^2 = -6 + 8a has two solutions: a = 3 and a = 1.

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Answer:

C- where n (greater than or equal to ) 1

Step-by-step explanation:

C- where n (greater than or equal to ) 1

Because in that sequence 0 doesn't make sense since 160 * 1/2 = 80 ^ 0 = 1. Doesn't make sense since there's no "1" in that sequence.

It's not "any number" because It can't be negative nor a decimal.

So, C.

:) hope this helps

Rosita should use the domain in option C : n ≥ 1, where n is an integer to generate the sequence for the function T(n) = 160 ( \(\frac{1}{2}\) )ⁿ.

Functions are defined as the relation which is mapped from a set A to a set B such that it satisfies the property that an element in set A will only map to one element in B.

If f is a function defined from a set A to a set B, then all the elements of A which has an image on B is called the domain of the function f.

Here the given function is,

T(n) = 160 ( \(\frac{1}{2}\) )ⁿ

And we know the first element is 80.

T(n) = 80 if and only if n = 1

T(1) = 160 ( \(\frac{1}{2}\) )¹ = 160 / 2 = 80

Similarly,

T(2) = 160 ( \(\frac{1}{2}\) )² = 40

T(3) = 160 ( \(\frac{1}{2}\) )³ = 20

T(4) = 160 ( \(\frac{1}{2}\) )⁴ = 10

and it goes on.

So the values of n are all integers where n ≥ 1.

Hence the domain of the function T(n) = 160 ( \(\frac{1}{2}\) )ⁿ that Rosita should use for T to generate the sequence is  n ≥ 1 where n is an integer.

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Answer:

y=8x+1

Step-by-step explanation:

y=mx+b

m=rise/run=(8)/(1)=8

y=8x+b

b is the y-intercept  

y=8x+1

The exact values for angles sine, cosine and tangent are

sin((7π/8)/2) = ±0.98078°

cos((7π/8)/2) = ±0.19509°

tan(7π/8) = ± 5.02733°

What is half angle identities?

In trigonometry, the half-angle formula is used to calculate the precise values of trigonometric ratios of angles like 15° (half of the standard angle 30°), 22.5° (half of the standard angle 45°), and so on. The half angle is represented by θ/2 if is an angle.

Let the given angle is θ = 7π/8.

We have to find the exact values of the sine, cosine and tangent angles using half angle formulas.

Consider, the half angle formula for sine,

sin(θ/2) = ± √((1 - cosθ) / 2)

sin((7π/8)/2) = ±√((1 - cos(7π/8)/2)

sin((7π/8)/2) = ±0.98078°

Now consider the half angle formula for cosine,

cos(θ/2) = ± √(1 + cosθ)/2

cos((7π/8)/2) =  ± √(1 + cos(7π/8)/2)

cos((7π/8)/2) = ±0.19509°

Now consider the half angle formula for tangent,

tan(θ/2) = ± √((1 - cosθ)/(1 + cosθ))

tan(7π/8) = ± √((1 - cos(7π/8))/(1 + cos(7π/8)))

tan(7π/8) = ± 5.02733°

Hence, the exact values for angles sine, cosine and tangent are

sin((7π/8)/2) = ±0.98078°

cos((7π/8)/2) = ±0.19509°

tan(7π/8) = ± 5.02733°

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Answer:

Step-by-step explanation:

15 divded by 3 is 5 one 5 is 2 second 6 third 7

Question:

In three days Tina sold 15 boxes. On the second day, she sold 1 more than on the first. On the third day, she sold 5 more than on the first. How many boxes did she sell on the third day?

Answer:

8. Tina sold eight boxes on the third day.

Step-by-step explanation:

Three days, 15 boxes.

On the first day, Tina sold 3 boxes.

On the second, she sold one more than on the first. (4)

On the third day, she sold five more than on the first. (8)

 3 + 4 = 7

7 + 8 = 15

So your answer would be:

Tina sold eight boxes on the third day.

The area of figure ABCDE is 26.5 square units.

Three angles, three sides, and three vertices make up the closed shape of a triangle. It is one of the most fundamental geometric shapes, and the symbol for it is.

Area is the entire amount of space occupied by a flat (2-D) surface or an object's shape

Given:

Area of triangle ABC = 7.95 square units

Area of triangle ACD = 9.8 square units

Area of triangle AED = 8.75 square units

To calculate the area of the figure we have to add the area of the individual triangles together.

So, Area of figure ABCDE

= Area of triangle ABC + Area of triangle ACD + Area of triangle AED

= 7.95 + 9.8 + 8.75

= 26.5 square units

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Answer:

20 12cost and the the rest 16

Step-by-step explanation:

Answer:

Let's start with part B. if it was originally 10 cm tall and it goes up 0.5 cm. each day, then we know that to go up one cm it needs two days. With that information we can say that 8*2 = 16. So it needs 17 days to go up 8.5 cm which would make it 18.5 cm tall.

Step-by-step explanation:

f(x) = 0.5x + 10

0.5x + 10 = 18.5

0.5x = 18.5 - 10

0.5x = 8.5

x = 8.5/0.5

x = 17 days

Given that John climbs a height of \($(x + 5)$\) miles in \($(x - 1)$\) hours and Jane climbs a height of \($(x + 11)$\) miles in \($(x + 1)$\) hours. We know that the distance covered by both John and Jane are equal.

Distance covered by John = Distance covered by Jane

Therefore, \($(x + 5) = (x + 11)$\)

Thus, x = 6

Now, we need to find the speed of both, which is given by the formulae:

Speed = Distance / Time

So, speed of John = \($(x + 5) / (x - 1)$\) Speed of John =\($11 / 5$\) mph

Similarly, speed of Jane = \($(x + 11) / (x + 1)$\)

Speed of Jane = \($17 / 7$\) mph

Since both have to be equal, Speed of John = Speed of Jane Therefore,

\($(x + 5) / (x - 1) = (x + 11) / (x + 1)$\)

Solving this equation we get ,x = 2Speed of John = \($7 / 3$\) mph

Speed of Jane = \($7 / 3$\) mph

Thus, their speed was \($7 / 3$\) mph.

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Answer:

7.1 cm

Step-by-step explanation:

Answer:

7.07 cm

Step-by-step explanation:

Answer:I would think bobs thing..

Step-by-step explanation:

no one can make that many pizzas.

the radius is approximately 6 meters,

height is approximately 11 meters

The radius of cylinder = 6 meter.

The height of cylinder = 11 meter.

A cylinder is a "three-dimensional object with two round flat bases and one curved side. It has a curved surface in the middle. The base and the top surface are identical".

According to the question,

Surface area of the cylinder = 640.56 m²

Let the height of the cylinder = x meters

Let the radius of the cylinder = (x-5)meters

Formula for surface area of cylinder = 2πrh ( where 'r' is the radius of the cylinder and 'h' height of the cylinder)

640.56 = 2(3.14)(x-5)(x)

640.56/(6.28) = x² - 5x

x² - 5x =102

x² - 5x - 102 =0

using quadratic equation, [-b±√(b² - 4ac)]/2a.

b = -5; a=1; c=102

x =[-(-5) ±√(-5)² - 4(1)(102)]/2

 = [5 ± √433]/2

x = 11 and -7

since x=-7 neglect negative value, we get x=11.

The height of the cylinder is 11 meters

The radius of the cylinder is  (11 - 5) = 6 meters.

Hence, The radius of cylinder = 6 meter.

The height of cylinder = 11 meter.

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Your brother's monthly payment would be approximately $367.74 more than yours.

To calculate the monthly payment for a mortgage, we can use the formula:

M = P * (r * (1 + r)^n) / ((1 + r)^n - 1),

where M is the monthly payment, P is the principal (loan amount), r is the monthly interest rate, and n is the total number of payments.

For your mortgage:

Principal (P): $150,000

Interest rate (r): 4.2% per year, compounded monthly (0.042/12 = 0.0035 monthly)

Total number of payments (n): 30 years * 12 months/year = 360 payments

Using the formula, we can calculate your monthly payment:

M = 150,000 * (0.0035 * (1 + 0.0035)^360) / ((1 + 0.0035)^360 - 1)

≈ $741.39

For your brother's mortgage:

Principal (P): $150,000

Interest rate (r): 7.4% per year, compounded monthly (0.074/12 = 0.00617 monthly)

Total number of payments (n): 30 years * 12 months/year = 360 payments

Using the formula, we can calculate your brother's monthly payment:

M = 150,000 * (0.00617 * (1 + 0.00617)^360) / ((1 + 0.00617)^360 - 1)

≈ $1,109.13

Therefore, your brother's monthly payment would be approximately $367.74 more than yours.

Based on the given information, your brother would have a higher monthly mortgage payment compared to yours. The difference in payments is mainly due to the difference in interest rates. Your brother's mortgage has a higher interest rate of 7.4% compared to your mortgage's rate of 4.2%. This highlights the impact of interest rates on monthly mortgage payments. It is essential to consider the interest rate when choosing a mortgage as it significantly affects the affordability and overall cost of the loan.

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The difference in the measures of the two angles is 90 - 84 = 6 °

Theorem of Complementary Angles states that two angles are complementary if the sum of their measures is equal to 90°.

This question can be solved using the theorem of complementary angles, which states that if two angles add up to 90°, then they are complementary angles.

1. Since <A is a right angle, m<A = 90°

2. To find the measure of angle B, solve the equation 9x - 24 = 90.

3. 9x = 114, so x = 12.5.

4. Therefore, m<B = 9x - 24 = 108 - 24 = 84.

5. The difference in the measures of the two angles is 90 - 84 = 6°

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Therefore, the correct statistical decision is (b) reject the null hypothesis with either α = .05 or α = .01.

To determine the correct statistical decision, we need to compare the calculated F-ratio to the critical F-value based on the degrees of freedom and the chosen alpha level (α).

The degrees of freedom for the numerator (df between) is k - 1, where k is the number of conditions (k = 4 in this case). The degrees of freedom for the denominator (df within) is N - k, where N is the total sample size (N = 8 * 4 = 32).

Using a significance level of α = .05, we can consult an F-table or use statistical software to find the critical F-value with (k-1) and (N-k) degrees of freedom. For this case, the critical F-value is 3.10.

Since the calculated F-ratio (F = 4.60) is greater than the critical F-value (3.10) at α = .05, we can reject the null hypothesis and conclude that there are statistically significant mean differences among the four conditions.

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The general solution for the given higher-order linear ODE is:
y(x) = y_c(x) + y_p(x) = C1 * e^(2x) + C2 * x * e^(2x) + (1/2) * x^2 * e^(2x)

To solve the given higher-order linear ODE, we need to find a particular solution for the equation:
y'' - 4y' + 4y = e^(2x)

First, we find the complementary function (solution of the homogeneous equation) by solving the characteristic equation:

r^2 - 4r + 4 = 0

(r - 2)^2 = 0

The roots are r1 = r2 = 2. Therefore, the complementary function is:
y_c(x) = C1 * e^(2x) + C2 * x * e^(2x)

Next, we find a particular solution y_p(x) by using the method of undetermined coefficients. Since the right-hand side of the equation is e^(2x), we can assume a particular solution of the form:

y_p(x) = A * x^2 * e^(2x)

Taking the first and second derivatives of y_p(x):

y_p'(x) = A * (2x * e^(2x) + 4x^2 * e^(2x))

y_p''(x) = A * (2 * e^(2x) + 8x * e^(2x) + 8x^2 * e^(2x))

Now substitute y_p, y_p', and y_p'' back into the given ODE:

A*(2 * e^(2x) + 8x * e^(2x) + 8x^2 * e^(2x)) - 4A*(2x * e^(2x) + 4x^2 * e^(2x)) + 4A*x^2 * e^(2x) = e^(2x)

Simplify and cancel out the terms:

2A * e^(2x) = e^(2x)

A = 1/2

Now we have the particular solution:
y_p(x) = (1/2) * x^2 * e^(2x)

The general solution for the given higher-order linear ODE is:
y(x) = y_c(x) + y_p(x) = C1 * e^(2x) + C2 * x * e^(2x) + (1/2) * x^2 * e^(2x)

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The given expression is,

10639/500+22

According to

Answer:

15 dollars an hour

Step-by-step explanation:

480/32=15

Answer:

Sophia Earned $15

Step-by-step explanation:

All you have to do is divide the amount she earned by the hours she worked to see how much money she earned per hour, then you get $15 dollars per hour.

Answer:

Ray

Step-by-step explanation:

A ray has a starting point and then continues in one direction.

Step-by-step explanation:

21/100 = 0.21            4620(0.21) = 970.2

PARA ENCONTRAR LA CANTIDAD QUE LE COBRAN POR MES

870.2/12 = $80.85

Sulfhuric acid, boric acid and vinegar have 7 atoms present in them

To find the compounds with equal number of atoms, we must take each individual atoms and find how many atoms are present in them.

In the first compound, we have sulfuric acid.

\(H_2SO_4 = 7 atoms\\\)

Second compound, we have phosphoric acid

\(H_3PO_4 = 8 atoms\)

Third compound, we have vinegar

\(C_2H_3O_2 = 7 atoms\)

Fourth compound, we have boric acid

\(H_3BO_3 = 7 atoms\)

From the above, only sulfuric acid, vinegar and boric acid have equal number of atoms present in them.

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Answer:

x = 4

Step-by-step explanation:

−12=−48

-12x=-48−12x=−48

−12−12=−48−12

x = 4

Answer:

1)

x=8 degrees

<B=70 degrees

2)

<MON=57 degrees

Step-by-step explanation:

Detailed ans is in attachment

hope it helps :)

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