Solve the following system of inequalities graphically on the set of axes below. State
the coordinates of a point in the solution set.
y > -2x - 1
y > x + 2

Answer:

I think it is 3600

Step-by-step explanation:

Answer:

D

Step-by-step explanation:

RISE/RUN = slope

This slope will be POSITIVE because it rises in quadrant 1.

Rise=2, run=3

Slope= 2/3

Hope that helps

The height of rectangular prism B is 5 yards.

Let's first find the volume of rectangular prism B:

The volume of the solid figure = Volume of prism A + Volume of prism B

180 = 75 + length × width × height of prism B

105 = length × width × height of prism B

We know that the length of prism B is 7 yards and the width is 3 yards,

Substitute those values:

105 = 7 × 3 × height of prism B

105 = 21 × height of prism B

height of prism B = 105/21

height of prism B = 5

Therefore, the height of rectangular prism B is 5 yards.

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Answer: 1/10

Step-by-step explanation:

I think you mean 3/5 - 1/2?

we need to make the denominators the same, so we find the LCM of 5 and 2, which is 1, so we multiply them to get a common denominator of 10.

Now we multiply 3/5 by 2/2 to get 6/10, and 1/2 by 5/5 to get 5/10.

6/10 - 5/10 = 1/10

can you give brainliest

nothing? I don't understand!

Answer:

y = 45 / 2x + 50

Step-by-step explanation:

The best equation for the line of the best fit would be y = 45 / 2x + 50.

The slope would be 45 / 2 and the y-intercept would be ( 0 , 50 ).

I used the points, ( 0 , 50 ) and ( 4 , 140 ) to get the equation, slope, and the y-intercept.

I used those points because they were the most accurate ones that I know for now.

Also, remember the formula is, "y = mx + b."

Answer:

Step-by-step explanation:

Hope it helps you!

When a variable (or set of letters) in an algebraic statement is substituted, its numerical value is used instead. The expression's total value can then be calculated.

Using the given functions, we have:

\(f(x) = x^2 + 3\)

\(g(x) =\) \(\sqrt{(x-4)}\)

To find f(g(x)), we substitute g(x) for x in the expression for f(x):

\(f(g(x)) = (g(x))^2 + 3\)

= (\(\sqrt{(x-4))^2 + 3}\)

\(= (x-4) + 3\)

\(= x - 1\)

Therefore,\(f(g(x)) = x - 1.\)

To find g(f(x)), we substitute f(x) for x in the expression for g(x):

\(g(f(x)) =\) \(\sqrt{((f(x)) - 4)}\)

= \(\sqrt{((x^2 + 3) - 4)}\)

= \(\sqrt{(x^2 - 1)}\)

= |x|\(\sqrt{(x^2 - 1)}\)

Therefore,  \(g(f(x)) =\) |x|  \(\sqrt{(x^2 - 1)}\)

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Answer:

55

Step-by-step explanation:

divide 385 by 7 :)

Combinations have allowed us to determine that there are 38760 different groups of six children that you can drive.

A combination in mathematics is a choice made from a group of separate elements where the order of the selection is irrelevant.

The number of permutations/k! is the formula for computing the number of combinations. n!/(n-k) is the number of permutations!

Hence, the number of combinations is (n!/(n-k)!)/k!

So, there are 20 children in total.

There are 6 students who can fit in the van.

The maximum number of 6-child groups that the van can accommodate.

²⁰C₆

n! = n(n-1)(n-2)(n-3).......1

= (20 x 19 x 18 x 17 x 16 x 15) / (6 x 5 x 4 x 3 x 2)

= 4 x 19 x 2 x 17 x 15

= 38760

Therefore, combinations have allowed us to determine that there are 38760 different groups of six children that you can drive.

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Complete question:

You volunteer to help drive children at a charity event to the zoo. But you can fit only 6 of 20 children present in your van. How many different groups of 6 children can you drive?

Answer:

Welcome to Gboard clipboard, any text that you copy will be saved here.Touch and hold a clip to pin it. Unpinned clips will be deleted after 1 hour.Tap on a clip to paste it in the text box.

Answer:

The slope is 13/9 and the y intercept is -3

Step-by-step explanation:

The slope intercept form of an equation is

y = mx+b where m is the slope and b is the y intercept

13x -9y = 27

Subtract 13x from each side

13x -9y -13x =-13x+ 27

-9y = -13x+27

Divide each side by -9

-9y/-9 = -13x/-9 + 27/-9

y = 13/9 x -3

The slope is 13/9 and the y intercept is -3

The system of equations to represent the clerk's sales is a + c = 15 and 13a + 11c = 181   .

In the question ,

it is given that ,

a clerk sells a ticket at the movie theater ,

the cost for 1 adult ticket = $13

the cost for 1 child ticket = $11

the total number of tickets sold is = 15 tickets

let the number of adult tickets sold at the theater be "a" , and

let the number of child tickets sold at the theater be "c" ,

So , the equation is , a + c = 15

and overall the amount that clerk makes by selling tickets = $181

So , the equation is written as

13a + 11c = 181

Therefore , The system of equations to represent the clerk's sales is a + c = 15 and 13a + 11c = 181   .

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The decision of which two homework assignments to complete depends on Mofor's individual circumstances and priorities.

If Mofor only has time to do two homework assignments out of the five subjects, he will need to choose which subjects to prioritize. The specific subjects he chooses to work on will depend on various factors such as his strengths, weaknesses, upcoming deadlines, and personal preferences. Here are a few strategies he could consider:

1. Prioritize based on importance: Mofor can prioritize the homework assignments that carry more weight in terms of grades or have upcoming deadlines. This way, he ensures that he completes the assignments that have a higher impact on his overall academic performance.

2. Focus on challenging subjects: If Mofor finds certain subjects more difficult or time-consuming, he can prioritize those assignments to allocate more time and effort to them. This approach allows him to concentrate on improving his understanding and performance in subjects that require extra attention.

3. Balance workload: Mofor can choose to distribute his efforts evenly across subjects, selecting two assignments from different subjects. This strategy ensures that he maintains a balanced workload and avoids neglecting any particular subject.

The decision of which two homework assignments to complete depends on Mofor's individual circumstances and priorities. It is essential for him to consider his academic goals, time constraints, and personal strengths to make an informed decision.

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The two shapes have exactly the same area.

To determine whether Liam is correct, we need to calculate the areas of the parallelogram and the rectangle with the same dimensions, and compare them.

The area of a parallelogram is given by the formula A = bh, where b is the base (length of one of the sides) and h is the height (perpendicular distance between the two parallel sides). In this case, the base is 3 meters and the height is 7 meters, so the area of the parallelogram is:

A_parallelogram = bh = 3 x 7 = 21 square meters

The area of a rectangle with the same dimensions (length 3 meters and height 7 meters) is simply the product of its length and width, which is:

A_rectangle = lw = 3 x 7 = 21 square meters

As we can see, the areas of the parallelogram and the rectangle are the same, so Liam is not correct in saying that the parallelogram's area is greater than the area of the rectangle with the same dimensions. Actually, the two shapes have exactly the same area.

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Answer:

Don't quote me i think the poulation of 3

Step-by-step explanation:

for 9 suared is 81 so it cant be squared for then it would be 81cm and the one you need can not be longer than 1cm

The minimum sample size should be 35.

The mean of your estimate plus and minus the range of that estimate constitutes a confidence interval. Within a specific level of confidence, this is the range of values you anticipate your estimate to fall within if you repeat the test.

Given:

Variance= 9

So, standard deviation= √9 = 3

and, The critical z-score values when using a 95 percent confidence level are -1.96 and +1.96 standard deviations.

Then, Sample size= Critical value x SD / Margin error

= 1.96 x √ 3 / 139

= 34.57

= 35

Hence, the minimum sample size should be 35.

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Answer:

Please help me important question in image

Step-by-step explanation:Please help me important question in image

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Answer:

The equation a=0.003x^2+21.3 models the average ages of women when they first married since the year 1940 in the United States. In this equation, a represents the average age and x represents the years since 1940. To estimate the year in which the average age of brides was the youngest, we need to find the minimum value of the quadratic function a=0.003x^2+21.3. This can be done by using the formula x=-b/2a, where b is the coefficient of x and a is the coefficient of x^2. In this case, b=0 and a=0.003, so x=-0/(2*0.003)=0. This means that the average age of brides was the lowest when x=0, which corresponds to the year 1940. The value of a when x=0 is a=0.003*0^2+21.3=21.3, so the average age of brides in 1940 was 21.3 years old. This is consistent with the historical data, which shows that the median age of women at their first wedding in 1940 was 21.5 years old. The average age of brides has been increasing since then, reaching 28.6 years old in 2021.

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Answer:

U1

Step-by-step explanation:

The section with the greatest fraction of perfect scores is the best choice.

L1 57/90 = 0.6333

L2 33/52 = 0.6346

L3 47/75 = 0.6267

U1 55/84 = 0.6548

U2 27/43 = 0.6279

U3 22/35 = 0.6286

Answer: U1

The given information does not provide any clear indication for determining the position that should be taken on 3/01 and 3/02. Without additional information, it is not possible to make a decision. The table only displays the closing prices of the July GBP Futures Contract on different days, and it is unclear what trading strategy or what scenario is being considered. Additional information about the goals and objectives, the market conditions, and other relevant factors would be necessary to make a decision about trading positions.

Answer:

y= -3x+1

Step-by-step explanation:

x1= -2 x2=2 y1=7 y2=-5

using the formula

(y-y1)/(x-x1)=(y2-y1)/(x2-x1)

(y-7)/(x-(-2))=(-5-7)/(2-(-2))

(y-7)/(x+2)=(-5-7)/(2+2)

(y-7)/(x+2)=(-12)/4

(y-7)/(x+2)=-3

cross multiply

y-7=-3(x+2)

y-7=-3x-6

y=-3x-6+7

y=-3x+1

Answer:

\(w^{22}\)

Step-by-step explanation:

\((w^3)^4\cdot(w^5)^2=w^{3*4}\cdot w^{5*2}=w^{12}\cdot w^{10}=w^{12+10}=w^{22}\)

Answer:

x= 3 and x= -4.

Step-by-step explanation:

The only way to make this expression undefined, is if the denominator equals 0. Therefore, let's find out all the values that make the denominator equal 0:

\(x^{2} +x-12=0\\\\\\\)

Factorize x.

\((x-3)(x+4)=0\\\\x_{1} =3\\\\x_{2} =-4\\\)

Therefore, we have 2 values that make this whole expression be undefined: 3 and -4.

Extra. Check out the graph of the fuction and see how it looks when we make x=3 and x= -4 (check image below).

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A good trick to factorize x.

Write this:

(x )(x )

We are looking for 2 numbers that equal 1 when added up, and -12 when multiplied, because the coefficient of x in \(x^{2} +x-12=0\\\\\\\) is 1, and the coefficient of -12 is itself.

-3 and 4 are 2 numbers that meet these parameters, therefore, you write:

(x-3)(x+4)

Note. Sometimes it is not possible to factorize x using this method, you will have to use other methods to solve the equation.

Answer:

Step-by-step explanation:

81 texts in 9 hours

So you do 81 divided by 9

Which givrs you 9 text an hour

Answer:

150 dollars. if I am wrong correct me

Answer:

C and D

Step-by-step explanation:

15 to 30 galons at $9.95 to $21.00

the minimum amount can be found by calculating the minimum amount sold at a minimum price 15*9.95 = $149.25

the maximum amount can be found by calculating the maximum amount sold at a maximum price 30*21 = $630

there are 2 choices that are between 149.25 and 630, C, and D

The number of inches apart that the four bolts will be along the circumference of the metal plate shown in the figure is 9.425 inches.

The circumference refers to the total distance around a circle.

The circumference can determined using the following formula.

Circumference = 2πr

Diameter of the circle = 12 inches

Radius = 12/2 inches = 6 inches

Circumference = 2 x 22/7 x 6

= 37.7 inches

The number of bolts along the circumference = 4

Distance between the four bolts = 9.425 inches (37.8 ÷ 4)

Thus, using division operation, the distance apart of the four bolts is 9.425 inches.

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area of the rectangle = width x length

Answer:

5 Hours and 30 minutes

Step-by-step explanation:

I THINK

Answer:

3.34 * 10^-21 g

Step-by-step explanation:

1.67*10^-24 * 2000 = 1.67 * 10^-24 * 2 *10^3 = 3.34 * 10^-21 g