Mindy and Daisy are making necklaces using beads. Mindy uses 4 red beads for every 5 white beads. Daisy uses 6 red beads for every 7 white beads. Use tables of equivalent ratios to determine who will use more white beads when Mindy and Daisy each use 12 red beads.
A.
Mindy will use 15 white beads and Daisy will only use 14 white beads, so Mindy will use more white beads.
B.
Daisy will use 42 white beads and Mindy will only use 20 white beads, so Daisy will use more white beads.
C.
Daisy will use 13 white beads and Mindy will only use 9 white beads, so Daisy will use more white beads.
D.
Mindy will use 20 white beads and Daisy will only use 13 white beads, so Mindy will use more white beads.

The perpendicular bisector of line 7 cm is given below.

What is perpendicular bisector?

A perpendicular bisector is a line that divides the given into two halves which also makes an angle of 90° at the where it intersects the given line.

Steps to construct perpendicular bisector for the given line 7 cm.

Step 1 : Draw a line 7 cm using pencil and scale and named as AB.

Step 2: Take a measurement more than half of a line AB and draw a arc from A on both sides of the line AB.

Step 3: Repeat the step 2 from the point B.

Step 4: Join the arc by the straight line and named as MN, which is the required perpendicular bisector of line AB.

Hence the perpendicular bisector is shown in the figure.

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The value of y for that, the three horizontal lines would be parallel, is 7√2/ 16.

Lines in a plane that are consistently spaced apart are known as parallel lines. Parallel lines don't cross each other.

Given:

A right-angled triangle.

Sin60° = Perpendicular/hypotenuse

Hypotenuse = 8

To find the value of y for that, the three horizontal lines be parallel:

The parallel lines are equally spaced.

So,

8 / 16 = y / 7√2/8

y =  7√2/ 16

Therefore, the value of y is 7√2/ 16.

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The points that can be included to keep the graph a function are given as follows:

P and U.

A relation represents a function when each input value is mapped to a single output value.

On a graph, a function is represented if the graph contains no vertically aligned points, that is, if there are no values of x at which we could trace a vertical line that would cross the graph of the function more than once.

Hence the points we can include on the graph to keep it a function are given as follows:

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The diameter of the earth is 3.66 times larger than the diameter of the moon.

The mean radius of the earth is 6.37 x 10^6 meters,

Re = 6.37 x 10^6 meters

The mean radius of the moon is 1.74 x 10^6 meters.

Rm = 1.74 x 10^6 meters

To compare the size of the diameter,

D = De/Dm = 6.37 x 10^6 / 1.74 x 10^6

Diameter of the earth is 3.66 times larger than the diameter of the moon.

In geometry, a circle's diameter is any straight line segment whose centre is on the circle and whose ends are on the circle. The longest chord of the circle is another name for it. Either of the two approaches can be used to determine the diameter of a sphere.

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The angles m∠APE and m∠EPD are complementary angles and so the measure of angle m∠EPD is equal to 20° which makes option D correct.

In geometry, if two angles are said to be complementary, then the total of their sum is equal to 90°.

The angles m∠APE and m∠EPD are complementary angles so we evaluate for the angle m∠EPD as follows:

m∠APE + m∠EPD = 90°

70° + m∠EPD = 90°

m∠EPD = 90° - 70° {subtract 70° from both sides}

m∠EPD = 20°.

Therefore, the measure of angle m∠EPD is equal to 20°.

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It will take the pump 80 minutes to fill the tank completely.

We can find the time to fill the tank by subtracting the current amount of the tank (3/8 of its capacity) from its total capacity. Then, dividing that amount by the flow rate of the pump (which is 1/16 of its capacity per minute).

The calculation is given as:

Remaining amount to fill = Total capacity - Current amount = 1 - 3/8 = 5/8

Time to fill completely = Remaining amount ÷ Flow rate = 5/8 ÷ (1/16) = 80 minutes

So, it will take the pump 80 minutes to fill the tank completely.

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____ The given question is incorrect, the correct question is given below:

If a pump fills a tank in 16 minutes and the tank currently has 3/8 of its capacity, then we can calculate how many minutes it will take to fill the tank completely.

As a result, the angle CBF has a 61 degree value.

When two consecutive lines or beams intersect at a single terminus, an angle is created. The apex of an arc is the location where two points come together.

Since Ray BF splits angle BCD into two equal portions because it is an angle bisector, the measures of angle CBF and angle DBF are the same. Consequently, we can write:

3z + 7 = 5z - 29

Simplifying and solving for z:

2z = 36

z = 18

Now we can substitute z = 18 into the expression for the measure of angle CBF:

3z + 7 = 3(18) + 7 = 61

Therefore, the measure of angle CBF is 61 degrees.

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Answer:

see below

Step-by-step explanation:

if the sum of two angles is 90 degrees, then they are said to be complementary angles, and they form a right angle together.

so <1 and <2 = 90

m<3 = 90

The solutions of the quadratic equation 3x² – 8x + 5 = 5x² will be 0.4595 and negative 4.5495.

The allocation of weights to the important variables that produce the calculation's optimum is referred to as a direct consequence.

Let the equation be ax² + bx + c = 0. Then the roots of the equation will be given as,

[tex]\rm x = \dfrac{-b \pm \sqrt{b^2 - 4 a c }}{2a}[/tex]

The equation is given below.

3x² – 8x + 5 = 5x²

Simplify the equation, then we have

3x² – 8x + 5 = 5x²

2x² + 8x – 5 = 0

Then the roots of the equation are given as,

x = [ -8 ± √(8² - 4 · 2 · (-5))] / (2 · 2)

x = (- 8 ± 10.198) / 4

x = (- 8 + 10.198) / 4 , (- 8 - 10.198) / 4

x = 0.5495, -4.5495

The solutions of the quadratic equation 3x² – 8x + 5 = 5x² will be 0.4595 and negative 4.5495.

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Answer:212

Step-by-step explanation:

$2000 - $200 = $1800

$1800/$8.50 = 211.76 round up to 212

Answer: look at the image and better give me brainliest

Step-by-step explanation:

Jake will have traveled 36 miles in his boat after 3 hours at a speed of 12 mph.

What is Distance?

Distance is defined as the space between two points in space.

To find out how far Jake will have traveled after 3 hours, we can use the formula:

distance = speed x time

where speed is the rate at which Jake is traveling and time is the duration of the travel. In this case, the speed is 12 mph and the time is 3 hours.

So, the distance traveled after 3 hours is:

distance = 12 mph x 3 hours = 36 miles

Therefore, Jake will have traveled 36 miles in his boat after 3 hours at a speed of 12 mph.

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Answer:

20 - (6 + b)

Step-by-step explanation:

ur mom

the area of the shaded region is 38.8575 square centimeter.

The area of a sector is the space inside the section of the circle created by two radii and an arc. It is a fraction of the area of the entire circle.

The formula to find the area of a sector = θ/360° ×πr²

ABCD is a rectangle with AB=9 cm and BC=18 cm.

O is the midpoint of BC. Then, BO= 9 cm

a) By Pythagoras theorem,

Now, OA²=AB²+BO²

OA²=9²+9²

AO=9√2 cm

b) We know that, tanθ=Opposite/Adjacent

tanθ=18/9√2

tanθ=√2

θ=54.73°

≈55°

c) The area of the shaded region = 55°/360° ×3.14×9²

= 38.8575 square centimeter

Therefore, the area of the shaded region is 38.8575 square centimeter.

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Answer:

40/7

Step-by-step explanation:

3 3/7 divided 4 4/5+1 1/7 * 4 3/8

3 3/7 = 24/7

4 4/5 = 24/5

1 1/7 = 8/7

4 3/8 = 35/8

So, our equation is

24/7 divided 24/5 + 8/7 · 35/8

120/168 + 8/7 · 35/8

120/168 + 280/56

120/168 + 840/168

960/168

240/42

120/21

40/7

The data given has: a) A strong correlation, b) A positive correlation

Correlation is a statistical measure that expresses the extent to which two variables are linearly related, meaning they change together at a constant rate.

We have ordered pairs in the data as:

x             y

1             2

2            3

3            8

4            10

5            26

6            38

7            46

8            50

9            68

Plotting the graph (attached)

Clearly, on plotting the scatter plot on the basis of table of values, we see that the relation is a strong correlation since we can find a relationship between variable x and y.

i.e. the points will lie above or below the curve  which is formed by connecting some points of the scatter plot and are not scattered away.

Hence, the data above has: A strong correlation.

Also, the graph is a positive correlation since with the increasing value of x the y-value also increases.

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the value of a will be 15 in equation 3 a plus b equals 54 when b equals 9.

Any mathematical statement that includes numbers, variables, and an arithmetic operation between them is known as an expression or algebraic expression. In the phrase 4m + 5, for instance, the terms 4m and 5 are separated from the variable m by the arithmetic sign +.

Given, equation 3 a plus b equals 54 when b equals 9

In numerical form,

3a + b = 54

and b = 9

Comparing these equations

3a + 9 = 54

3a = 45

a = 15

Therefore, the value of a will be 15 in equation 3 a plus b equals 54 when b equals 9.

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Just evaluate the line in the values of the point and check if the equation is true or not.

So let's say line l has an equaiton known:

y = a*x +b

To check if a point is on the line, just replace the values of the point on the line equation, if the equation is true, then that point belongs to the line, if don't, then the point does not belong to the line.

That is the only way to check that.

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The missing values of Deviation of July is 289.17, August is 339.17, September is 14800.17, whereas, October, November and December are -65.83, 10690.17 and -480.83 respectively.

When determining the standard deviation: By combining the data points and dividing the result by the number of data points, you may determine the mean, or average, of the data points. Each data point's mean should be subtracted, and the results should then be squared.

Month               sales                          Average                           Deviation:

July                    $1,750                      1,460.83                                     289.17

August              $1,800                      1,460.83                                      339.17

September        $1,6251,                   1,460.83                                  14800.17

October            $1,395                      1,460.83                                      -65.83

November        $1, 2151                     1,460.83                                  10690.17

December           $980                      1,460.83                                   -480.83

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The area and perimeter of the figure be 562.08 m² and 123.68 m.

The figure referred to is made out of a parallelogram and a crescent. The area of the parallelogram can be determined by utilizing the equation base x level, bringing about an area of 336 m².

The area of the crescent is determined utilizing the formula (π x r²)/2, calculating an area of 226.08 m². Thus, the complete area of the figure is 562.08 m².

The perimeter of the parallelogram is 86 m, while the border of the half circle is 37.68 m, giving an all-out perimeter of 123.68 m.

The area of the figure is 562.08 m², while the perimeter is 123.68 m.

This can be additionally separated into the area and perimeter of the parallelogram and half circle, which are 336 m² and 226.08 m² for the area, and 86 m and 37.68 m for the border, individually.

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Answer:

Step-by-step explanation:

To find the standard deviation of the population, we first need to find the mean of the population.

Mean = (28 + 28 + 29 + 31 + 28 + 24) / 6 = 28

Next, we need to find the variance of the population.

Variance = [(28 - 28)^2 + (28 - 28)^2 + (29 - 28)^2 + (31 - 28)^2 + (28 - 28)^2 + (24 - 28)^2] / 6

Variance = (0 + 0 + 1 + 9 + 0 + 16) / 6 = 2.67

Finally, we can find the standard deviation of the population by taking the square root of the variance.

Standard deviation = sqrt(2.67) ≈ 1.63

Therefore, the standard deviation of the population is approximately 1.63 seconds.

The inequality equation is x ≥ 48 inches

Inequalities are the mathematical expressions in which both sides are not equal. In inequality, unlike in equations, we compare two values. The equal sign in between is replaced by less than (or less than or equal to), greater than (or greater than or equal to), or not equal to sign.

In an inequality, the two expressions are not necessarily equal which is indicated by the symbols: >, <, ≤ or ≥.

Given data ,

Let the minimum height to ride the roller coaster be represented as x

Now , the required height to ride the roller coaster is = 48 inches

So , the individual must be equal to 48 inches tall

x = 48 inches

And , the individual could be greater than 48 inches tall

x > 48 inches

Substituting the values in the equation , we get

x ≥ 48 inches

Hence , the inequality is x ≥ 48 inches

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Answer: The area of the triangle is given by the formula:

Area = (base * height) / 2

We are told that the area is less than 18 square inches, so we can write the inequality:

(base * height) / 2 < 18

Multiplying both sides by 2, we get:

base * height < 36

To find the possible values of "a", we need to isolate "base" on one side of the inequality. Let's assume that the base is equal to "a". Then we have:

a * height < 36

Dividing both sides by height, we get:

a < 36 / height

Since the height is 6 inches, we can substitute it in the inequality:

a < 36 / 6 = 6

So the possible values of "a" are any value less than 6 inches. That is,

0 < a < 6.

Step-by-step explanation:

Answer:

0.80 m/s

Step-by-step explanation:

rate = 40 m / 50 s = 0.8 m/s

a. The values of Q1 = 355, Q2 = 510, Q3 = 910, range = 980 and IQR = 555.

b. The lower bound is not applicable and the upper bound is 1195. There are no outliers.

c.  The value at the 70th percentile is approximately 725.6 calories.

a. For the calories of each burger, we will find the Q1, Q2, and Q3, range, and IQR as follows -

Arranging the calorie values in order from smallest to largest we get,

250, 300, 410, 430, 445, 460, 510, 540, 670, 710, 840, 980, 1230.

The median of the lower half (from 250 to 540) is the average of the two middle values: (300 + 410) / 2 = 355.

Therefore, Q1 = 355.

Arranging the calorie values in order from smallest to largest we get,

250, 300, 410, 430, 445, 460, 510, 540, 670, 710, 840, 980, 1230.

The middle value is the median: Q2 = 510.

Arranging the calorie values in order from smallest to largest we get,

250, 300, 410, 430, 445, 460, 510, 540, 670, 710, 840, 980, 1230.

The median of the upper half (from 670 to 1230) is the average of the two middle values: (840 + 980) / 2 = 910.

Therefore, Q3 = 910.

Range = 1230 - 250 = 980.

IQR = Q3 - Q1 = 910 - 355 = 555.

b. To calculate the outlier boundaries, we need to first calculate the lower and upper limits as follows -

Lower bound: Q1 - 1.5 x IQR

Upper bound: Q3 + 1.5 x IQR

Lower bound: 430 - 1.5 x 310 = -25

Upper bound: 740 + 1.5 x 310 = 1195

Since there are no negative values for the calories of the burgers, the lower bound is not applicable. The upper bound is 1195, which is higher than the highest value in the dataset (1090). Therefore, there are no outliers.

c. To determine the value at the 70th percentile, we need to first order the calorie values from lowest to highest as follows -

250, 300, 410, 430, 445, 460, 510, 540, 670, 710, 740, 840, 980, 1090, 1230

Next, we will calculate the percentile rank of the 70th percentile -

Percentile rank = (70/100) x (n + 1) = 10.6

Since the percentile rank is not a whole number, we need to interpolate between the 10th and 11th values in the ordered list:

10th value: 710

11th value: 740

Using linear interpolation, we get:

Value at the 70th percentile = 710 + 0.6 x (740 - 710) = 725.6

Therefore, the value at the 70th percentile is approximately 725.6 calories.

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The complete question is -

For the calories of each burger:

a. find q1, q2, q3, the range, and the IQR.

b. calculate the outlier boundaries for the data set. are there any outliers? c. determine the value at the 70th percentile.

The correct equation and solution are: D

$43. 6\ +\ 14. 3\ =\ m$

$m\ =\ 57. 9$

This equation represents the total distance traveled by the train (43.6 miles + 14.3 miles) and gives the correct answer of 57.9 miles traveled by the train.

In equation D, we add the 43.6 miles traveled with the 14.3 miles left to travel to find the total distance traveled by the train, which is 57.9 miles. This equation and solution correctly represent the number of miles traveled by the train.

The other equations and solutions  do not accurately represent the information given in the problem and do not lead to the correct answer.

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The equation representing the vertical asymptote of the graph is given as follows:

x = -8.

The vertical asymptotes of a function f(x) are the values of x which are outside the domain, which in a fraction are the zeroes of the denominator.

From the graph, we can see that the function is not defined at x = 8, only to the left and to the right of x = 8, going to either negative infinity or positive infinity at both sides.

Hence the equation representing the vertical asymptote of the graph is given as follows:

x = -8.

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The piece of information which would have to be marked on the triangle to show congruence by the HL theorem is ac = dc which is denoted as option C.

It states that 'if the hypotenuse and one leg of a right triangle are congruent to the hypotenuse and one leg of another right triangle, then the triangles are congruent.'

In triangle  ABC and triangle EDC, hypotenuses of triangles are AB and DE respectively.To use HL hypotenuse and one leg of triangles must be equal which means that :

AB = DE (hypotenuse)

AC = DC  (leg)

This means that the additional information  which  will allow you to prove the triangles congruent by the HL Theorem is AC = DC.

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The full question is:

What additional information will allow you to prove the triangles congruent by the HL Theorem?

choices

A = E

bce= 90

ac = dc

ac=bd

The combined area of the two rectangles is 32 square meters.

Rectangle is a two-dimensional shape with four straight sides, where all angles are right angles (90 degrees). The opposite sides of a rectangle are equal in length and parallel to each other, so rectangles have two pairs of equal sides.

The first rectangle has an area of 10 meters * 2 meters = 20 square meters.

The second rectangle has an area of 2 meters * 6 meters = 12 square meters.

When the two rectangles are joined together, the combined area of the two rectangles is 20 square meters + 12 square meters = 32 square meters.

So the combined area of the two rectangles is 32 square meters.

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