A number is equal to 3 times a smaller number. Also, the sum of the smaller number and 4 is the larger number. The
situation is graphed on the coordinate plane below, where x represents the smaller number and y represents the
larger number

Answer:   C

.......................

Answer: A

Step-by-step explanation:

Answer:

You have 3 + 2 + 2 which is the same as 7 on the other side.

Step-by-step explanation:

3 + 2 + 2 is 7

Answer:

x=2

Step-by-step explanation:

3+x+x=7

2x=4

x=2

The solution to the system of inequalities y ≤ 2x + 2 and y < -2x - 3 can be represented by a graph. The inequality y ≤ 2x + 2 represents a line with a slope of 2 and y-intercept of 2. The inequality y < -2x - 3 represents a line with a slope of -2 and y-intercept of -3. ( The graph attached)

The inequality y ≤ 2x + 2 represents a line in the form y = mx + b, where m is the slope and b is the y-intercept. In this case, the slope is 2 and the y-intercept is 2. To graph this inequality, we can first plot the line by using the y-intercept, which is the point (0,2) on the graph. Then, we can use the slope to find additional points that fall on the line, such as (1,4) or (-1,0). Once we have plotted several points, we can connect them to form the line.

The inequality y < -2x - 3 represents a similar line, but with a different slope and y-intercept. In this case, the slope is -2 and the y-intercept is -3. To graph this inequality, we can use the same process as before by first plotting the y-intercept (0,-3), and then using the slope to find additional points that fall on the line.

The solution to the system of inequalities is the area that lies on one side of the first line and the opposite side of the second line, which is the area between the two lines. This area can be represented by shading the region below the first line and above the second line on the graph. It is important to note that the solution region is not including the lines themselves, because the inequalities are strict inequalities.

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Answer:

In explanation below.

Step-by-step explanation:

Presumably, the proof you have in mind is to use a=b=2–√a=b=2 if 2–√2√22 is rational, and otherwise use a=2–√2√a=22 and b=2–√b=2. The non-constructivity here is that, unless you know some deeper number theory than just irrationality of 2–√2, you won't know which of the two cases in the proof actually occurs, so you won't be able to give aa explicitly, say by writing a decimal approximation.

Method:

Front: 6x8 = 48/2 = 24

Back: Also 24

Base: 8x4 = 32

Left: 6x4=24

Add your answers:

24 + 24 + 24 + 32 + 40

Answer:

TSA is 144 cm²

Answer:

36 is the final

Step-by-step explanation:

4(5)+8(2)

20+16

36

Step-by-step explanation:

area of the base is the area of the rectangle 5×12.

B = 5×12 = 60 in²

the height h is then the side going up from that base rectangle : 4 in.

the perimeter of the base (rectangle) is 2×length + 2×width

P = 2×12 + 2×5 = 24 + 10 = 34 in.

Answer:

Distance = 5 units

Slope = \(\displaystyle\frac{4}{3}\)

Step-by-step explanation:

Hi there!

1) Finding the distance of the line

\(d=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}\) where two endpoints of a line are \((x_1,y_1)\) and \((x_2,y_2)\)

Plug in the points (-7,2) and (-4,6):

\(d=\sqrt{(-4-(-7))^2+(6-2)^2}\\d=\sqrt{(-4+7)^2+(6-2)^2}\\d=\sqrt{(3)^2+(4)^2}\\d=\sqrt{9+16}\\d=\sqrt{25}\\d=5\)

Therefore, the length of the line/distance of the line is 5 units.

2) Finding the slope of the line

\(m=\displaystyle\frac{y_2-y_1}{x_2-x_1}\) where two points are \((x_1,y_1)\) and \((x_2,y_2)\)

Plug in the points (-7,2) and (-4,6):

\(m=\displaystyle\frac{6-2}{-4-(-7)}\\\\m=\displaystyle\frac{6-2}{-4+7}\\\\m=\displaystyle\frac{4}{3}\)

Therefore, the slope of the line is \(\displaystyle\frac{4}{3}\).

I hope this helps!

Answer:

x = amount invested in the 15% account

x*.15*3 + (500-x)*.1*3 = 200

x = 333.33

so, 500-333.33 = 166.67 at 10%

Step-by-step explanation:

Answer:

x = amount invested in the 15% account

x*.15*3 + (500-x)*.1*3 = 200

x = 333.33

so, 500-333.33 = 166.67 at 10%

Step-by-step explanation:

sorry if i did it wrong

Answer:

82 inches squared

Step-by-step explanation:

7*3*2 = 42

7*2*2 = 28

3*2*2 = 12

42 + 28 + 12 = 82

Answer:

Step-by-step explanation:

Vertical asymptotes exist where there is a problem in the denominator of a fraction. The only time there will be a problem in the denominator is when a value is plugged in that causes it to go to 0. To find the vertical asymptote(s) of a function, set the denominator equal to 0 and solve for x:

2x + 3 = 0 and

2x = -3 so

x = -3/2

The vertical asymptote is the vertical line x = -3/2

The answer is −63,868. To get this just put it into a calculator.

Option 3) Sometimes is the correct answer, Sometimes an equilateral triangle is similar to a scalene triangle.

If the respective sides are proportional and the corresponding angles are congruent, two triangles are comparable. An equilateral triangle has three congruent sides and three congruent angles, so any triangle that is similar to an equilateral triangle must also have three congruent angles. However, a scalene triangle has no congruent sides and no congruent angles, so it is possible for a scalene triangle to be similar to an equilateral triangle only if it has the same angle measurements as an equilateral triangle, but with different side lengths. Therefore, a scalene triangle can be similar to an equilateral triangle, but it is not always the case.

In general, if two triangles are similar, it means that they have the same shape but possibly different sizes. In the case of an equilateral triangle and a scalene triangle, if they are similar, then it means that the scalene triangle has the same angles as the equilateral triangle, but its sides are of different lengths. So it is possible for a scalene triangle to be similar to an equilateral triangle, but not in all cases.

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Answer:

Step-by-step explanation:

(a) and (b) see diagram

(c) you can see from the graph, the purple line hits the parabola twice which is y=6   or k=6

(d)  Solving simultaneously can mean to set equal

6x - x² = k                        >subtract k from both sides

6x - x² - k = 0                  >put in standard form

- x² + 6x - k = 0               >divide both sides by a -1

x² - 6x + k = 0

(e) The new equation is the same as the original equation just flipped (see image)

(f)  The discriminant is the part of the quadratic equation that is under the root. (not sure if they wanted the discriminant of new equation or orginal.  I chose new)

discriminant formula = b² - 4ac

equation:   x² - 6x + 6 = 0            a = 1      b=-6    c = 6

discriminant = b² - 4ac

discriminant= (-6)² - 4(1)(6)

discriminant = 36-24

discriminant = 12

Because the discriminant is positive, if you put it back in to the quadratic equation, you will get 2 real solutions.

The only possible answer is optionC:  A n U = Ø . This means that there are no common elements between set A and set U.

The set A n U represents the intersection of set A and set U, while the set A U represents the union of set A and set U. Therefore, we need to determine whether the intersection of these two sets is equal to the empty set (Ø), set A, or set U.
If A n U = Ø, then there are no elements that belong to both sets A and U.

This would imply that the two sets are disjoint and have no common elements.

However, we know that A and U are not disjoint since A ≠ Ø and A ≠ U. Therefore, we can eliminate option A from the possible answers.
If A n U = U, then all elements in set A also belong to set U, and there are no elements in set U that do not belong to set A.

This would imply that set A is a subset of set U. However, we know that A ≠ U, so this option can also be eliminated.
Therefore, the only possible answer is option C: A n U = Ø.

This means that there are no common elements between set A and set U. It is important to note that this does not necessarily mean that the two sets are disjoint, as there may be other elements that belong to either A or U, but not both.

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Answer:

What is the missing number when n = 1.5?

5n+___=8.89

Answer:

3h−3k

Step-by-step explanation:

Answer:

4 (ignore this its for 20 characters

The area of the parallelogram shown is 6.6 square inches.

According to the question,

We have the following information:

We have a parallelogram with base 2.2 inches and height 3 inches.

We know that the following formula is used to find the area of parallelogram:

Area of parallelogram = Base*height

Area of parallelogram = 2.2*3

Area of parallelogram = 6.6 square inches

(Please note that area of any object or figure is always given in square units. For example, it may be square meters, square inches, square feet, etc.)

Hence, the area of the parallelogram shown is 6.6 square inches.

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Answer:

$12

Step-by-step explanation:

30x.4=12 dollars for fuel

The area of the given rhombus is 24 square centimeters.

What is rhombus ?

A rhombus is a four-sided polygon (also called a quadrilateral) in which all sides are equal in length. It is also known as a diamond, because it has a symmetrical shape similar to that of a diamond.

In addition to having all sides equal in length, a rhombus also has two pairs of opposite angles  that are equal to each other. This means that the opposite angles have the same measure, so if one angle is, for example, 60 degrees, then the opposite angle will also be 60 degrees.

To find the area of a rhombus, you can use the formula:

Area = (diagonal 1 x diagonal 2) / 2

where diagonal 1 and diagonal 2 are the lengths of the two diagonals.

In this case, we have:

diagonal 1 = 8 cm

diagonal 2 = 6 cm

side = 10 cm

We can first find the length of each half of the diagonals by dividing them by 2:

half diagonal 1 = 8 cm / 2 = 4 cm

half diagonal 2 = 6 cm / 2 = 3 cm

We can then use the Pythagorean theorem to find the length of each side of the rhombus:

a^2 = (half diagonal 1)^2 + (side/2)^2

a^2 = 4^2 + 5^2

a^2 = 41

a = sqrt(41)

Similarly, we can find the length of the other two sides:

b^2 = (half diagonal 2)^2 + (side/2)^2

b^2 = 3^2 + 5^2

b^2 = 34

b = sqrt(34)

Now we can use the formula for the area of a rhombus:

Area = (diagonal 1 x diagonal 2) / 2

Area = (8 cm x 6 cm) / 2

Area = 24 cm^2

Therefore, the area of the given rhombus is 24 square centimeters.

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If cholesterol level were changed to being measured in grams instead of milligrams, the correlation between fat content and cholesterol level would not be affected.

This is because correlation is a measure of the strength and direction of the linear relationship between two variables, and converting the units of measurement does not change the underlying relationship between the variables. So, the correlation coefficient of 0.75 would remain the same whether cholesterol level is measured in milligrams or grams.

The correlation between fat content and cholesterol level for the 20 different brands of American cheese slices is 0.75. If you change the measurement of cholesterol level from milligrams to grams (1 gram = 1000 milligrams), it will not affect the correlation. The correlation coefficient will remain 0.75, as it is unit-less and only represents the strength and direction of the relationship between the two variables.

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Scenario 2 Magnifi Co. produces a high-end amplifier for musical aficionados. Historically, only 85% of the 200 amplifiers produced per month on average have met the company's demanding standards for quality control. Suppose a random sample of 50 amplifiers is taken from a month's production..

What is the probability that less than 40 of the amplifiers will meet the company's quality standards? b) What is the probability that between 40 and 45 inclusive of the amplifiers will meet the company's quality standards? c) What is the probability that more than 45 of the amplifiers will meet the company's quality standards? a) In order to solve for the probability that less than 40 amplifiers will meet the company's quality standards, we can use the binomial distribution formula: P(X < 40) = Σi=0^39 C(50, i) (0.85)i(1-0.85)50-i

This can be solved using a computer, calculator, or by using a binomial probability table. Using a binomial table, we can find that P(X < 40) = 0.024. Therefore, there is a 0.024 probability that less than 40 amplifiers will meet the company's quality standards. b) To solve for the probability that between 40 and 45 amplifiers inclusive will meet the company's quality standards, we can use the binomial distribution formula again. We need to solve for P(40 ≤ X ≤ 45): P(40 ≤ X ≤ 45) = Σi=40^45 C(50, i) (0.85)i(1-0.85)50-i This can also be solved using a computer, calculator, or binomial table. Using a binomial table, we can find that P(40 ≤ X ≤ 45) = 0.435. Therefore, there is a 0.435 probability that between 40 and 45 amplifiers inclusive will meet the company's quality standards. c) To solve for the probability that more than 45 amplifiers will meet the company's quality standards, we can use the binomial distribution formula one more time. We need to solve for P(X > 45): P(X > 45) = Σi=46^50 C(50, i) (0.85)i(1-0.85)50-i Once again, this can be solved using a computer, calculator, or binomial table. Using a binomial table, we can find that P(X > 45) = 0.056. Therefore, there is a 0.056 probability that more than 45 amplifiers will meet the company's quality standards.Overall, it can be concluded that the probability that less than 40 amplifiers will meet the company's quality standards is low, the probability that between 40 and 45 amplifiers inclusive will meet the company's quality standards is relatively high, and the probability that more than 45 amplifiers will meet the company's quality standards is relatively low.

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Answer:

t = 6 hours

Step-by-step explanation:

553  =  265  +  48 t

t = 6

Explanation:

Let  R  be the repair bill . Let  P  be the cost of parts

Let  L  be the labor cost

R = P +L

R

=

553

P

=

265

553

=

265

+

L

Let  

t

be the labor duration

Let  

r

be the labor rate

L

=

r

t

r

=

48

⇒

L

=

48

t

553

=

265

+

L

⇒

553

=

265

+

48

t

⇒

288

=

48

t

⇒

t

=

6

The number of bits transferred or received per unit of time is referred to as the "bit rate."

The term "bit rate" refers to the rate at which bits of data are transferred or received in a given unit of time. It measures the speed or capacity of a digital communication channel to transmit information.

Bit rate is typically expressed in bits per second (bps) or multiples thereof, such as kilobits per second (Kbps) or megabits per second (Mbps). It represents the amount of data that can be transmitted or received in a specific timeframe.

For example, a bit rate of 1 Mbps means that one million bits can be transferred or received in one second. Higher bit rates indicate a faster data transmission or reception capability.

Bandwidth, on the other hand, refers to the capacity of a communication channel to carry data and is typically measured in hertz (Hz). It represents the range of frequencies that can be transmitted through the channel.

Wireless fidelity (Wi-Fi) is a technology standard that enables wireless local area networking. While Wi-Fi can be used to transmit data wirelessly, the specific term for the rate at which data is transferred or received is still referred to as the "bit rate."

In summary, the term "bit rate" accurately describes the number of bits transferred or received per unit of time in a digital communication system.

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The cost is directly proportional to the lateral area, the silo with the smallest lateral area, which is Silo D, will also have the lowest cost to paint.

To determine which silo will cost the least to paint, we need to calculate the lateral area for each silo using the formula for the lateral area of a cylinder, which is LA = 2πrh.

Silo A:

Radius (r) = 6 feet

Height (h) = 60 feet

Lateral Area (LA) = 2π(6)(60) = 720π square feet

Silo B:

Radius (r) = 8 feet

Height (h) = 50 feet

Lateral Area (LA) = 2π(8)(50) = 800π square feet

Silo C:

Radius (r) = 10 feet

Height (h) = 34 feet

Lateral Area (LA) = 2π(10)(34) = 680π square feet

Silo D:

Radius (r) = 12 feet

Height (h) = 20 feet

Lateral Area (LA) = 2π(12)(20) = 480π square feet

To compare the costs, we multiply the lateral area of each silo by the cost per square foot, which is $1.20:

Cost of Silo A = 720π * $1.20 = 864π dollars

Cost of Silo B = 800π * $1.20 = 960π dollars

Cost of Silo C = 680π * $1.20 = 816π dollars

Cost of Silo D = 480π * $1.20 = 576π dollars

Since the cost is directly proportional to the lateral area, the silo with the smallest lateral area, which is Silo D, will also have the lowest cost to paint.

Therefore, Silo D will cost the least to paint.

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Answer:

Given equation are 3x+4y=11 and 2x+3y=8

Comparing with a

1

x+b

1

y+c

1

=0 and a

2

x+b

2

y+c

2

=0 we have

a

1

=3,b

1

=4,c

1

=−11 and a

2

=2,b

2

=3,c

2

−8

Now , x=

a

1

b

2

−a

2

b

1

b

1

c

2

−b

2

c

1

and y=

a

1

b

2

−a

2

b

1

c

1

a

2

−c

2

a

1

⇒x=

3×3−2×4

4x(−8)−3×(−11)

and y=

3×3−2×4

−11×2−(−8)×3

⇒x=

9−8

−32+33

and y=

9−8

−22+24

⇒x=1 and y=2

y = -1/3x + 1

y = -2x - 3

We can compare the equations to the graphs and see which graph represents the intersection point of the two equations.

The first equation, y = -1/3x + 1, has a negative slope (-1/3) and a y-intercept of 1.

The second equation, y = -2x - 3, also has a negative slope (-2) and a y-intercept of -3.

Based on the slopes and y-intercepts, we can identify the correct graph by finding the point where the two lines intersect.

Unfortunately, since the graphs are not provided, I am unable to determine which specific graph shows the solution to the system of linear equations. I recommend referring to the graph representation of the equations and identifying the intersection point to determine the correct graph.