What is the percentge change from a 3/8 to a 7/8

Answer:

B

Step-by-step explanation:

Answer:

Answer B!

Step-by-step explanation:

First solve:

3x+6-2x+4=x+10

Ok so we know x+10 is the answer use the key now:

X is a green rectangle ok so we have that.

1 is a little yellow square so we need 10 of those...

now lets see which one has 1 green rectangle and 10 yellow squares? B!!

Hope this helps!

Answer:

84

Step-by-step explanation:

Lauren has read 4 books per month. So the answer would be 84.

Answer:670

Step-by-step explanation:

200 + 500 - 30 =

700-30

670

Answer:

A. 55

Step-by-step explanation:

its a right angle and triangles are equal to 180 so 180 - (95 + 35) = 55

Hope this helps! Please tell me any questions or concerns in the comments! Byeee <3

Answer: <

6.12 x 10^4 < 612,000

Step-by-step explanation:

Answer:

<

Step-by-step explanation:

because 6.12 × 10^4 = 61,200 and 612,000 is obviously a way bigger number, so greater than symbol is the correct answer.

To find the equation of the parabola with the given properties, we can use the standard form of a parabola equation:

(x - h)^2 = 4p(y - k)

where (h, k) represents the vertex of the parabola and p is the distance between the vertex and the focus (or vertex and directrix).

In this case, the focus is at (-5, -2) and the directrix is the line y = 3.

The vertex of the parabola can be found as the midpoint between the focus and the directrix. The y-coordinate of the vertex will be the average of the y-coordinates of the focus and the directrix:

y-coordinate of vertex = (-2 + 3) / 2 = 1/2

So, the vertex is (-5, 1/2).

The distance between the vertex and the focus (or directrix) is given by p.

Distance from vertex to focus (or directrix) = |k - y-coordinate of focus| = |1/2 - (-2)| = 5/2

Since the directrix is above the vertex, p is positive.

Now we have the values needed to write the equation of the parabola:

(x - (-5))^2 = 4(5/2)(y - 1/2)

Simplifying further:

(x + 5)^2 = 10(y - 1/2)

Expanding the equation:

x^2 + 10x + 25 = 10y - 5

Rearranging the terms and writing the equation in standard form:

x^2 + 10x - 10y + 30 = 0

Therefore, the equation of the parabola with the given properties in standard form is x^2 + 10x - 10y + 30 = 0.

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Answer:

AB and CD would be 30

AC and BD would be 16

Step-by-step explanation:

The scale factor is what you multiply the sides by. Dilate means wider or larger so you multiply each side by the scale factor of 2 to get the higher scaled rectangle.

Answer:

Step-by-step explanation:

a = 16 inches

NEAREST TENTH: 20

Answer:

1/6

Step-by-step explanation:

1 out of the 6 cards is 4

The time Austin had left to solve part two will be 25 minutes.

It is important to note that an equation is the statement that illustrates the variables given. In this case, two or more components are taken into consideration to describe the scenario.

In this case, Austin's final exam in math had two parts. He had a total of 50 minutes to complete the entire exam.

Since he spent 25 minutes on Part one of the exam, the time he had left to solve part two will be:

t = 50 - 25

t = 25

The time is 25 minutes.

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The upper control limit (UCL) is approximately 2.0018 litres, and the lower control limit (LCL) is approximately 1.9982 litres, which would include roughly 95.5 percent of the sample means.

Now let's check if the process is in control using the given sample means:

To determine the upper and lower control limits for the sample means, we can use the formula:

Upper Control Limit (UCL) = Mean + (Z * Standard Deviation / sqrt(n))

Lower Control Limit (LCL) = Mean - (Z * Standard Deviation / sqrt(n))

In this case, we want to include roughly 95.5 percent of the sample means, which corresponds to a two-sided confidence level of 0.955. To find the appropriate Z-value for this confidence level, we can refer to the standard normal distribution table or use a calculator.

For a two-sided confidence level of 0.955, the Z-value is approximately 1.96.

Given:

Mean = 2.0 litres

Standard Deviation = 0.01 litres

Sample size (n) = 5

Using the formula, we can calculate the upper and lower control limits:

UCL = 2.0 + (1.96 * 0.01 / sqrt(5))

LCL = 2.0 - (1.96 * 0.01 / sqrt(5))

Calculating the values:

UCL ≈ 2.0018 litres

LCL ≈ 1.9982 litres

Therefore, the upper control limit (UCL) is approximately 2.0018 litres, and the lower control limit (LCL) is approximately 1.9982 litres, which would include roughly 95.5 percent of the sample means.

Now let's check if the process is in control using the given sample means:

Mean of the sample means = (2.005 + 2.001 + 1.998 + 2.002 + 1.995 + 1.999) / 6 ≈ 1.9997

Since the mean of the sample means falls within the control limits (between UCL and LCL), we can conclude that the process is in control.

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Answer:

An acute angle is an angle less than 90°

Answer:

A. Acute angle

Step-by-step explanation:

The angle which is less than 90 degrees is known as the acute angle.

Perpendicular to y=-3/7 and passes through (2/3,1/2):Finding the equation of a line perpendicular to a given line and passing through a particular point is one of the fundamental topics of analytical geometry. Let's take a look at the steps that are required to solve this problem.

Step 1: Understand the problem The first step in solving any mathematical problem is to understand the problem and the information given. In this case, we're given the equation y=-3/7 and the point (2/3,1/2), and we're asked to find the equation of a line that is perpendicular to the given line and passes through the given point.

Step 2: Find the slope of the given lineTo find the slope of the given line, we need to convert the equation into slope-intercept form (y=mx+b), where m is the slope and b is the y-intercept. y=-3/7x + bTo do this, we must rearrange the equation in terms of y. y= (-3/7)x + bComparing it with y = mx + b format, we have m = -3/7. Therefore, the slope of the given line is -3/7.

Step 3: Find the slope of the perpendicular lineThe slope of a line perpendicular to another line is the negative reciprocal of the slope of the given line. The negative reciprocal of -3/7 is 7/3.

Step 4: Use the point-slope formula to find the equation of the lineThe point-slope formula for a line is y-y1=m(x-x1).We know that the point (2/3,1/2) lies on the line. Therefore, x1=2/3 and y1=1/2.Substituting these values, we get: y - 1/2 = 7/3(x - 2/3)Multiplying through by 3, we get: 3y - 3/2 = 7x - 14/3Rearranging, we get: 7x - 3y = 8/3Therefore, the equation of the line that is perpendicular to y=-3/7 and passes through (2/3,1/2) is 7x - 3y = 8/3.

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The probability of red on the second spin 1/12. the probability of blue on the second spin 1/18.  the probability of not spinning cyan on either spin is 25/36.

Simply put, probability is the likelihood that something will occur. When we don't know how an event will turn out, we can discuss the likelihood or likelihood of several outcomes. Statistics is the study of events that follow a probability distribution.

The ratio of favorable outcomes to all possible outcomes is used as the formula to determine an event's probability. Probabilities are always in the 0 to 1 range.

Probability = Number of Favorable Outcomes / Total Number of

we know the formula of probability;

probability=favorable outcomes/total number of outcomes

so for red:

P(red) = 3/6 = 1/2

so for blue:

P(blue) = 2/6 = 1/3

so for cyan

P(cyan) = 1/6

Now totally;

P( cyan then red) =  1/6 * 1/2 = 1/12

P(cyan then blue) =  1/6 * 1/3 = 1/18

P( no cyan on 2 spins) = (1/2+1/3)* (1/2+1/3) = 5/6 * 5/6 = 25/36

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If the receiver is placed at the focus, it is 4 inches from the bottom of the dish. The result is obtained by using the equation of parabola with the vertex is at (0,0).

With the vertex at (0,0), the equation of a parabola can be expressed as

x² = 4ay

Where

Given

How far is the receiver from the bottom of the dish if it is placed at the focus?

Suppose that the vertex is at (0,0).

x = 1/2 × diameter

x = 1/2 × 48

x = 24

Now, we got two points (-24, 36) and (24,36). See the picture in the attachment!

By using the x and y value, the value of a is

x² = 4ay

24² = 4a(36)

576 = 144a

a = 576/144

a = 4 inches

Hence, the receiver is placed at 4 inches from the bottom of the dish.

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All three angles on a triangle always equal 180°.

Example: 100°+40°+40°=180°

102+39=141°

180-141=39°

x = 39°

Answer:

Part A:
$12 x 1

Part B: $64.80

tep-by-step explanation:

Answer:

625.5 cm^2

Step-by-step explanation:

The volume of a cone is

V = 1/3 B h

4170 = 1/3 B 20

4170 = 20/3 B

Multiply each side by 3/20

4170 *3/20 = B

625.5 = B

Hey there! I'm happy to help you!

The formula for the volume of a cone is V=1/3(πr²h). Now, to make it look ungibberishy and all numbery...

The volume of the cone is equal to the area of the base (the circle on the bottom whose area formula is pi multiplied by the radius squared) multiplied by the height and then divided by three.

In our case, though, we already have the volume. We need to undo the equation so that we can find the area of the circle base.

In our equation the last thing we do is divide by three. So, we will want to multiply by three to undo this.

4,170*3= 12510

The other step we took was multiply the base by the height, which is 20 centimeters.  To get our base, we will divide by the height instead!

12510/20= 625.5

Therefore, the area of the base of the cone is 625.5 centimeters squared.

I hope that this helps! Have a wonderful day!

The probability of the company's order from first-time customers with the sample proportion less than 0.28 will be 0.6103.

Total percent of company’s orders from first-time customers are 35%

Probability of the company's orders from first-time customers are 35/100 = 0.35.

Total number of customers in the random sample is 62.

Minimum given probability of company’s order from first time customers is 0.28

And the minimum probability of company’s order not from first time customers will be 1 - 0.28 = 0.72

Therefore,

As per the given question, Let P(z<0.28) is the required probability, where

Z = (0.28 - 0.35)/sqrt(0.28x0.72/62)

  = (0.28 - 0.35)/sqrt(0.28x0.0112)

  =(0.28 - 0.35)sqrt(0.003250)

  = (-0.07)/sqrt(0.003250)

  = -0.07/0.057

  = -1.228

From the z-score, we can get P( z<0.28 ) = 0.6103 ( From standard normal table )

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Answer:

(v+3)2

Step-by-step explanation:

Therefore, the area of the composite figure is  41.2 square meter.

To find the area of the figure we need to calculate the area of the composite figure made of a triangle, square and semicircle.

To calculate the area of a triangle

Area= base × height/2

base is 6 feet.

height of 3 feet

Area = 6 × 3/2 = 9 square feet.

Area of semicircle

area of semicircle is area of circle/2 = πr²/2

= π × 3 ×3/2 = 9π/2.

= 22/7 × 9= 28.2 square meter

Area of square

Area of square = L×L.

area= 2×2 = 4 meter²

The area of the figure = area of square + area of triangle + area of semicircle.

Area = 4+ 9 +9π/2.

Therefore, the area of the composite figure is  41.2 square meter.

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Answer:

a

Step-by-step explanation:

the graphic is step by step

Answer:

A

Step-by-step explanation:

Since the first number to the problem is -4, you start at -4 on the number line. The next number is +7.5 so you would move 7.5 spaces to the right on your number line. Finally, where you land would be your answer.

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Work Shown:

The rule to reflect over the x axis is

\((x,y) \to (x,-y)\)

The x coordinate stays the same. The y coordinate flips from positive to negative, or vice versa.

So we have,

\((x,y) \to (x,-y)\\\\(-6,4) \to (-6, -4)\)

The abscissa of the coordinate will remain the same. Then the coordinate after the reflection over the x-axis will be (-6, -4).

A spatial transformation is each mapping of feature space to itself and it maintains some spatial correlation between figures.

The reflection does not change the shape and size of the geometry. But flipped the image. A reflection is a transformation that maps every point P over a line such that the line segment PP' will intersects the line of reflection at a right angle.

The point is (-6, 4). Then the reflection of the x-axis.

The abscissa of the coordinate will remain the same. Then the coordinate after the reflection over the x-axis will be (-6, -4).

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Geometric series have the same ratio. The series which is a geometric series is 1, 3, 9, 27.

A series of numbers is a geometric series if the quotient of any two consecutive numbers is the same.

A series of numbers is a geometric series if the quotient of any two consecutive numbers is the same.

A.) 0.1 0.3 0.5 0.7

To check if the series is geometric series, find the quotient.

\(r_1=\dfrac{0.3}{0.1} = 3\\\\r_2 = \dfrac{0.5}{0.3} = 1.66\)

Since the ratio is different this is not a geometric series.

B.) 1 3 9 27

To check if the series is geometric series, find the quotient.

\(r_1=\dfrac{3}{1} = 3\\\\r_2 = \dfrac{9}{3} = 3\)

Since the ratio is the same this is a geometric series.

C.) 19 17 15 13

To check if the series is geometric series, find the quotient.

\(r_1=\dfrac{17}{19} = 0.8947\\\\r_2 = \dfrac{15}{17} = 0.8823\)

Since the ratio is different this is not a geometric series.

D.) 0.4 0.9 1.5 2.2

To check if the series is geometric series, find the quotient.

\(r_1=\dfrac{0.4}{0.9} = 0.4444\\\\r_2 = \dfrac{0.9}{1.5} = 0.6\)

Since the ratio is different this is not a geometric series.

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Answer:

its b 1 + 3 + 9 + 27

Step-by-step explanation:

Answer:

slope is -1

y= -1x+3

Step-by-step explanation:

rise over run

slope going down to the right is negative

Answer:

The slope is -1

Answer:

Third one : y + 1 = 3(x - 2)

Step-by-step explanation:

The standard form is y - y1 = m(x - x1)

Answer:

132 square feet

Step-by-step explanation:

If you need an explanation, just ask.

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