The value of sin35∘ is equivalent to which value?
A. cos65∘
B. cos55∘
C. cos90∘
D. cos45∘

Answer:

The answer is C.

Step-by-step explanation:

3.844 X 10 w/ power of 5= 384400

2 X 10 w/ power of 3= 2000

2000 x 384400= 768800000

7.688 x 10 w/ power of 5 = 768800

Answer:

Jupiter to Sun = 7.688 * 10⁸km

Jupiter to Sun = 2 * 10³ times Earth to Moon

Substitute 3.844 * 10⁵km for Earth to Moon

Jupiter to Sun = 2 * 10³ *  3.844 * 10⁵km

Jupiter to Sun = 2 *  3.844 * 10³ * 10⁵km

Jupiter to Sun = 7.688 * 10³ * 10⁵km

Jupiter to Sun = 7.688 * 10⁸km

Therefore, the answer would be C. 7.688 * 10⁸km

Answer:

\(\displaystyle 2x^2 + \frac{x}{2} - \frac{5}{2}\)

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Algebra I

Step-by-step explanation:

Step 1: Define

\(\displaystyle (2x + \frac{5}{2})(x - 1)\)

Step 2: Expand

\(9x+4y=4\implies 4y=-9x+4\implies y=\cfrac{-9x+4}{4} \\\\\\ y=\cfrac{-9x}{4}+\cfrac{4}{4}\implies y=\stackrel{\stackrel{m}{\downarrow }}{-\cfrac{9}{4}}x+1\qquad \impliedby \qquad \begin{array}{|c|ll} \cline{1-1} slope-intercept~form\\ \cline{1-1} \\ y=\underset{y-intercept}{\stackrel{slope\qquad }{\stackrel{\downarrow }{m}x+\underset{\uparrow }{b}}} \\\\ \cline{1-1} \end{array}\)

Answer:

1ans) 6/14 or 3/7 probability

2ans) 1/2 or a 50% chance

Answer:

\(21x \: - \frac{1}{3} \\ 3\)

Approximately 190 of the 200 intervals will contain the population mean.

We have,

When constructing a 95% confidence interval, we expect that about 95% of the intervals will contain the population mean.

Since we are using 200 samples, and each sample produces one interval, we can estimate the number of intervals that will contain the population mean by multiplying the probability (95%) by the total number of intervals (200).

Mathematically:

Number of intervals containing the population mean = Probability of interval containing the population mean * Total number of intervals

Number of intervals containing the population mean = 0.95 x 200

Number of intervals containing the population mean ≈ 190

Therefore,

Approximately 190 of the 200 intervals will contain the population mean.

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Answer

100.57 square units

Explanation

The area of a circle is given as

Area = πr²

The area of a semi-circle is half of the area of a circle.

Area of a semi-circle = ½ (πr²)

r = radius = 8 units

Area of a semi-circle = ½ (πr²)

= ½ [π (8²)]

= ½ (64π)

= 32π

= 100.57 square units

Hope this Helps!!!

Try this option, note, the answers are marked with orange colour.

Answer:  35,000

Step-by-step explanation:

The analysis of the data in the table, which is a linear relationship between the pages Jake reads to the number of days is as  follows;

1. Please find attached the graph of the data in the table created with MS Excel

a. The variable x represents the number of days Jake reads the book

b. The variable y represents the number of pages Jake reads

c. The slope is the rate of change of the pages Jake reads to the number of days he has been reading the book

d. The slope is 27 pages per day

A linear relationship is a relationship that has a straight line graph when plotted on the coordinate plane.

1. The data in the table are presented as follows;

Days\({}\)             Pages Read

0\({}\)                   0

2\({}\)                   54

4\({}\)                   108

6\({}\)                   162

8\({}\)                   216

Please find attached the graph created with the above data in the table for the Days and the number of Pages Jake read, created with MS Excel.

a. The input variable is normally represented by x, while the output variable is normally represented by y.

The input variable, which is the variable that determines or indicates the number of pages Jake reads is the number of days, therefore;

The value of x represents the number of days

b. The output variable obtained from the input variable which is the number of days is the number of books Jake reads, therefore;

The output variable, y, represents the number of books Jake reads

c. The slope is the rate of change of the number of pages Jake reads per unit time. Therefore, the slope represents the number of pages Jake reads per day.

d. The graph of the data in the table indicates that the relationship is a straight line relationship,the slope can therefore be obtained using two points as follows;

Slope, m = (108 - 0)/(4 - 0) = 27

The slope of the line is 27 pages per day

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Answer:

Factor 49x^2-4 49x2 − 4 49 x 2 - 4 Rewrite 49x2 49 x 2 as (7x)2 (7 x) 2. (7x)2 − 4 (7 x) 2 - 4 Rewrite 4 4 as 22 2 2.

Step-by-step explanation:

Hoped it helped

Answer:

(7x-2)(7x+2)

Step-by-step explanation:

This was the easiest thing I had in Analytic Geometry!!

The equation to plot in the complex Cartesian plane is 2Re(z) - |z²| ≥ -3Im(iz).

To plot the equation 2Re(z) - |z²| ≥ -3Im(iz) graphically, you can follow these steps:

1. Represent the complex number z in terms of its real and imaginary parts, z = x + yi, where x is the real part and y is the imaginary part.

2. Substitute the values of x and y into the equation and simplify it.

3. Separate the equation into real and imaginary parts.

4. For each part, plot the corresponding inequality on the Cartesian plane.

- For the real part, plot the inequality 2x - |(x + yi)²| ≥ -3y.

- For the imaginary part, plot the inequality 0 ≥ 0 (as -3Im(iz) = 0 for all values of x and y).

5. Determine the common region that satisfies both inequalities. This region represents the solution to the original equation.

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Answer:

1. Convert the larger unit to the smaller unit

2. Simplify the ratio as normal

Step-by-step explanation:

simplify 25mm : 5cm

convert the centimetres into millimeters by multiplying by 10.

5×10=505cm=50mm

simplify by dividing by 25

25:50÷25=1:2

Answer:Disturbed is not a type of rock so ya

CAN I PLZ HAVE BRAINLILEST I ONLY NEED ONE MORE

The mean of the given fuel prices data set is $4.61 with a standard deviation of $1.62.

To calculate the mean and standard deviation in Excel, you can use the following functions:

Mean: The AVERAGE function calculates the mean of a range of values. In this case, enter "=AVERAGE(A1:A30)" in an Excel cell, assuming the data is in cells A1 to A30.

Standard Deviation: The STDEV.S function calculates the standard deviation of a range of values. Enter "=STDEV.S(A1:A30)" in an Excel cell to calculate the standard deviation of the data set.

Using the mean ($4.61) and standard deviation ($1.62), we can now proceed to calculate the Confidence Interval.

The Confidence Interval can be determined using the formula: E = Z * (σ / √n)

In the formula, Z is the z-score corresponding to the desired level of confidence (e.g., 95% confidence corresponds to a z-score of approximately 1.96), σ is the population standard deviation (which can be estimated using the sample standard deviation in this case), and n is the sample size.

Let's assume we want a 95% confidence interval for the data set with a sample size of 30. We can use the formula "=CONFIDENCE.NORM(0.05, STDEV, 30)" in an Excel cell to calculate the E value.

Substituting the values into the formula, we get E = 1.96 * (1.62 / √30) ≈ 0.595.

Now, we can set up the confidence interval using the mean and E value:

Confidence Interval = (mean - E, mean + E)

Confidence Interval = ($4.61 - $0.595, $4.61 + $0.595)

Confidence Interval = ($4.015, $5.205)

Therefore, the 95% Confidence Interval for the given fuel prices data set is approximately $4.015 to $5.205.

In summary, the mean of the fuel prices data set is $4.61 with a standard deviation of $1.62. The 95% Confidence Interval for the data is approximately $4.015 to $5.205.

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To determine the number of tons of metal per year needed for Machine A to be favored over Machine B, we compare their costs. Machine A costs $323,000 with an annual operating cost of $2.40/ton, while Machine B costs $178,000 with an annual operating cost of $8.00/ton. The machines have useful lives of 10 years and 6 years, respectively, and the minimum attractive rate of return (MARR) is 18% per year.

By calculating the equivalent annual costs (EAC) for each machine using the given formula and comparing them, we can determine the point at which Machine A becomes more favorable. However, specific values for the discounting factors and the tons per year needed are missing, making it impossible to provide an exact answer.

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Answer:

The graph of f(x) = x ^ 2 is reflected across the y-axis and reduced or shrunk by 1/3 vertically. The graph translated 4 units to the left and 1 unit Down

Step-by-step explanation:

The graph of f(x) = x ^ 2 is reflected across the y-axis and reduced or shrunk by 1/3 vertically. The graph translated 4 units to the left and 1 unit Down.

Y axis because it's multiplied by -1/3 which is negative

Reduced or shrunk by 1/3 because 1/3 is a fraction

4 units to the left because (x+4)   What x=0 could do now the x=-4 can do so the graph shifted to the left

And 1 unit down because of the -1 at the end.      

Check the picture below on the left-hand-side, that's just a transformations template, so hmmm let's use that to rewrite g(x)

\(g(x)=\stackrel{A}{-\frac{1}{3}}(\stackrel{B}{1}x\stackrel{C}{+4})^2 \stackrel{D}{-1} \\\\[-0.35em] ~\dotfill\\\\ A=-\cfrac{1}{3}\qquad \textit{flipped upside-down and stretched by a factor of 3}\\\\ B=1\qquad C=+4\qquad \textit{horizontal shift of }\frac{4}{1}\textit{ to the left}\\\\ D=-1\qquad \textit{vertical shift downwards of 1 unit}\)

Check the picture below on the right-hand-side.

Answer:

I think it's 22.65 but I'm not for sure

Answer:

A scale factor of 2 could be in fact 4 because you can factor 2 twice to give you 4

Step-by-step explanation:

Answer:

b

Step-by-step explanation:

%, a relative figure signifying hundredths of any amount. Before the raise, I was making $45,000.

A percentage that represents a tenth of a quantity. In essence, percentages are fractions with a denominator of 100. The percent symbol (%) is placed next to a number to indicate that it is a percentage. For instance, you would have received a 75% on the examination if you correctly answered 75 out of 100 questions (75/100).

Calculating a percentage involves dividing an item by its sum and multiplying the result by 100.

Considering the query

It was $52,200 after a 16% raise in my pay.

In light of the conditions stated, come up with

\($=\frac{52200}{1+16 \%}$$=\frac{52200}{1+0.16}$$=\frac{52200}{1.16}$$=\frac{5220000}{116}$\)

= $45000

Before the raise, I was making $45,000.

Therefore, the answer is $45,000.

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Using the elimination method, the price of one t-shirt is $30 and one key-chain is $11.

In the given question, Elizabeth's family went to NYC for their vacation.

At the gift shop on Liberty Island, Valerie bought three t-shirts and four key chains for $134, and Jennifer bought four t-shirts and five key chains for $175.

We have to find the price of each item.

Let the price of one t-shirt = $x

Let the price of one Key chain = $y

According to question

Price of three t-shirts and four key chains = $134

So the equation is

3x + 4y = $134……………….(1)

Also,

Price of four-shirts and five Key chains = $175

So the equation is

4x+5y = $175……………………..(2)

Now solving the equation using the elimination method.

Multiply Equation (1) by 5 and Equation (2) by 4, we get

15x+20y = 670....................(3)

16x+20y = 700......................(4)

Subtract equation 4 and 3, we get

x = 30

Now put the value of x in equation 1,

3*30 + 4y = $134

90+4y=$134

Subtract 90 on both side, we get;

4y = 44

Divide by 4 on both side, we get;

y = 11

Hence, the price of one t-shirt is $30 and one key-chain is $11.

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Answer:

B 1296

Step-by-step explanation:

Area of a rectangle = Length × Width

Area of a triangle = \(\frac{1}2\) × Base × Height

3 sides are rectangles with the measurements of (9mm by 21mm)

So 3(9 × 21) = 567mm^2

6 sides are rectangles with the measurements of (9mm by 9mm)

So 6(9 × 9) = 486mm^2

1 side is a rectangle with the measurements of (9mm by 15mm)

So (9 × 15) = 135mm^2

2 sides are triangles with unknown, but equal bases.

To calculate the base, you subtract 9 from 21:   21 - 9 = 12mm

Therefore the base = 12mm

The other measurement can be found by looking to the left of the triangle (9mm from the side)

So   2(\(\frac{1}2\) × 12 × 9) = 108mm^2

Add the sides up:

567 + 486 + 135 + 108 = 1296 mm^2

Answer:

x=8

Step-by-step explanation:

You have to add 6 to both sides in order to get x by itself.

Answer:

5

This is essentially the third identical question that you posted with the same

type of solution ... if you look at the previous question you asked and the explanation.. you will see that the red line crosses a corner of a box at (4,20)

4 cups =  20 pralines thus the number you are looking for is 20/4 = 5

Step-by-step explanation:

lets try this "story" to explain...

assume that you can walk 3 miles in 1 hour

this means that at 0 hr you go 0 miles , 1 hr you go 3 miles etc

0,0

1,3

2,6

3,9

etc.

if you graph that you will have the red line in you graph, and the x values would be 0,1,2,3 with the y values being 0,3,6,9....

if you DIVIDE any of those points

3/1 ,6/2, 9,3 the result is always a "3" that is the speed that you are walking at

it is a CONSTANT (in this problem) ... note: if the speed is NOT constant then this basically becomes a calculus problem, ant an algebra one.