NEED help asap please find the percentage

Answer:

The area y>x will belong to the trapezoidal area. Thus, the area of the trapezoid = 0.5*(4+1)*3 = 15/2. Finally, the required probability = trapezoid ...

Step-by-step explanation:

Answer:

3.82x10^7

Step-by-step explanation:

Basically, start counting from 3.8 and keeping counting the steps until behind the last number 0. Those steps is the exponent or in this case 7.

Given that a bag contains a mixture of almonds, walnuts, and cashews. There is an equal quantity of each nut. We have to find the probability that the nut is either an almond, a walnut, or a cashew.

Let's solve it. Total quantity of nuts in the bag = Quantity of almonds + Quantity of walnuts + Quantity of cashewsAs the bag contains an equal quantity of each nut, Let's assume that the bag contains 1 nut of each almond, walnuts, and cashews.

Quantity of almonds = 1Quantity of walnuts = 1Quantity of cashews = 1Total quantity of nuts in the bag = 3 Probability of choosing an almond from the bag

P (almond) = Quantity of almonds/Total quantity of nuts in the bag= 1/3Probability of choosing a walnut from the bag

P (walnut) = Quantity of walnuts/Total quantity of nuts in the bag= 1/3Probability of choosing a cashew from the bag

P (cashew) = Quantity of cashews/Total quantity of nuts in the bag= 1/3Probability of choosing either an almond, a walnut, or a cashew= P (almond) + P (walnut) + P (cashew) = 1/3 + 1/3 + 1/3= 1

Therefore, the probability that the nut is either an almond, a walnut, or a cashew is 1. Hence, option (d) is the correct answer.

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Answer:

Complementary angles: the angles whose sum is 90° are called complementary angles.

Supplementary angles: the angles whose sum is 180° are called supplementary angles.

Step-by-step explanation:

hope it might help....

The mean, median, mode and the mean of the extra ten rolls are  

 2.96,2.5,1 and 2.9 respectively  

The mean represents the average of the dataset, the median represents the middle value of the data set, and the mode represents the repeated value in the dataset.

Using the given information we construct the following table

Score     frequency           Cumulative Frequency  (frequency*score)

1                 15                          15                                      15

2                10                          25                                     20

3                7                            32                                      21

4                 5                           37                                      20

5                 6                           43                                      30

6                 7                           50                                      42

thus N= 50 (even) The Median is the average of the 25th and 26th observations. The 25th and 26th observations corresponds to the value 3.

The Median is = 2.5

The modal score = 1

Mode = 3×(median) – 2×(mean)

mean = 2.96

The mean score for the 60 roles is 2.95×60 = 148+sum of the extra ten

                                       sum of the extra ten =29

               Thus mean of the extra ten roles is        

                                                                       = 29/10

                                                                       = 2.9

Hence the mean, median, mode and the mean of the extra ten rolls are  

 2.96,2.5,1 and 2.9 respectively

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Based on the table (see attachment), the time which corresponds to the mode of this data set is: B. 9:00 P.M.

A mode simply refers to a statistical term that is used to denote the value that appears most often or occurs repeatedly in a given data set.

This ultimately implies that, a mode represents the value (number) with the highest frequency and this is 9:00 P.M with a frequency of 25.

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Answer: B 9:00

Step-by-step explanation:

This is a horizonal line going through y = 4.

Horizontal lines are of the form

Where

a is a number

Slope is rise over run, or, the change in y divided by change in x.

No matter what the change in x is, the change in y is always zero (horizontal line). Thus, the slope is always 0 as well.

1.

The slope of the line is 0

2.

The slope intercept form is:

Since the slope is zero, m = 0 and y intercept (b) is 4, we have:

Answer:

7 lbs. or option B.

Step-by-step explanation:

To figure out how much the chairs weigh to then divide them, you first need to subtract 36 from 92.

92 - 36 = 56

Now, we have to divide 56 by the number of chairs we have because we need to find out how much a single chair weighs.

56 ÷ 8 = 7

So, each chair weighs 7 lbs.

Answer:

B) 7 lbs

Step-by-step explanation:

To find how much the chairs weigh, you must subtract 36 from 92.

92 - 36 = 56

We have to divide 56 by 8 or the number of chairs.

56 ÷ 8 = 7

B) 7 lbs

Answer:

y = x + 7

Step-by-step explanation:

The equation of a line in point- slope form is

y - b = m(x - a)

where m is the slope and (a, b ) a point on the line

here m = 1 and (a, b ) = (- 7, 0 ) , then

y - 0 = 1 (x - (- 7) ) , that is

y = 1 (x + 7) ← distribute by 1

y = x + 7 ← in slope- intercept form

The answer is a

this is because the shape increased in size by a factor of 2

There are  17/36 pounds of trail mix in each bag.

you need to first add the weight of the peanuts and M&M's together.

1\(\frac{17}{18}\) + 1 \(\frac{5}{6}\) =(\(\frac{35}{18}\)) +(\(\frac{11}{6}\)) =  \(\frac{35+33}{18}\)    =\(\frac{68}{18}\)

which can be simplified to 3 \(\frac{14}{18}\)

So there are 3 \(\frac{14}{18}\)pounds of trail mix altogether.

3 \(\frac{14}{18}\)÷ \(\frac{8}{1}\) =

\(\frac{68}{18}\)  ÷  \(\frac{8}{1}\)=\(\frac{68}{144}\)

which can be simplified to \(\frac{17}{36}\)

So there are \(\frac{17}{36}\)pounds of trail mix in each bag.

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Answer:

AB = 3 and AC = 4

Step-by-step explanation:

Given that the triangles are similar then the ratios of corresponding sides are equal, that is

\(\frac{AB}{WX}\) = \(\frac{BC}{WY}\) , substitute values

\(\frac{AB}{30}\) = \(\frac{3}{30}\) ( cross- multiply )

30AB = 90 ( divide both sides by 30 )

AB = 3

and

\(\frac{AC}{XY}\) = \(\frac{BC}{WY}\) , substitute values

\(\frac{AC}{40}\) = \(\frac{3}{30}\) ( cross- multiply )

30AC = 120 ( divide both sides by 30 )

AC = 4

Answer:

Step-by-step explanation:

Given

ΔWXY ~ ΔBAC

Therefore, the triangles are similar, so corresponding sides would be in the same ratio, so

WY/ BC = XW/AB

substitute WY = 30, BC = 3, XW = 30, AB = x

30 / 3 = 30 / x

x = [30 × 3] / [30]

x = 90 / 30

x = 3

Thus,

AB = 3

now

WY/ BC = XY/AC

substitute WY = 30, BC = 3, XY = 40, AC = y

30 / 3 = 40 / y

y = [40 × 3] / [30]

y = 120 / 30

y = 4

Thus,

AC = 4

Therefore,

Using quadratic equation concepts, we have that the element of interest is the vertex.

---------------------------------

A quadratic equation has the following format:

\(y = ax^2 + bx + c\)

When the ball is kicked, it is kicked from a height, then reaches it maximum height until it falls to the ground, so it is a concave down parabola, that is, \(a < 0\).

The time it took for the ball reach the maximum height is the x-value of the vertex, given by:

\(x_v = -\frac{b}{2a}\)

Thus, the element of interest is the vertex.

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Answer:

726 ft

Step-by-step explanation:

The perimeter is the sum of the 4 sides, that is

x + x + 274 + x + 27 + x + 74 = 3279, that is

4x + 375 = 3279 ( subtract 375 from both sides )

4x = 2904 ( divide both sides by 4 )

x = 726

Data can be divided on the basis of qualitative nature into two types as follows:

Thus, it is clear that nominal data can not be ranked or ordered but ordinal data are the type of qualitative data that are categorised and then ranked or ordered.

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Answer:

Step-by-step explanation:

5.21+4.35=9.56

21+35=56

5+4=9

9.56

Answer:

19

Step-by-step explanation:

1 centimeter is 10 millimeters

190 / 10 = 19

Answer:

74°

Step-by-step explanation:

From the attached figure, translation only affects the length of the sides of the triangle :

From the figure :

We are given ;

A = 80° ; C = 26° ; B =?

Sum of angles in a triangle :

A + B + C = 180°

80° + B + 26° = 180°

106° + B = 180°

B = 180 - 106

B = 74°

A number x is rounded to one decimal place is 3.7, the error interval for x would be [3.65, 3.75].

We must take into account a range of potential values that could round to 3.7 in order to calculate the error interval for the integer x that has been rounded to one decimal place as 3.7. As a general rule, when rounding to one decimal place, the value is increased by 1 and left unchanged if the digit immediately following the desired decimal place is 5 or above.

When x is rounded to 3.7 in this situation, the range of potential values is 3.65 (3.7 rounded down) to 3.75 (3.7 rounded up).

Therefore, [3.65, 3.75] would be the error interval for x. This indicates that the actual value of x may be any number falling within this range, and 3.7 would be the result if it were rounded to one decimal place.

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A number x rounded to one decimal place is 3.7. What is the error interval for x?

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There is a 30.85% chance that someone will have to wait longer than 6 minutes.

Z score is used to determine by how many standard deviations the raw score is above or below the mean. It is given by:

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the p-value, we get the probability that the value of the measure is greater than X.

z = (raw score - mean) / standard deviation

So,

We can write,

Mean of 6 minutes and variance = 1 minutes, hence:

Standard deviation = √variance = √1 = 1 minutes

For > 6 minutes:

z = (6 - 5)/2 = 1/2=0.5

P(z > 0.5) = 1 - P(z < 0.5)

P(z > 0.5) = 1 - 0.6915

P(z > 0.5) = 0.3085

Therefore,

There is a 30.85% chance that someone will have to wait longer than 6 minutes.

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Answer:

Hi! The answer to your question is \(n=m/2-x\)

Step-by-step explanation:

☆*: .｡..｡.:*☆☆*: .｡..｡.:*☆☆*: .｡..｡.:*☆☆*: .｡..｡.:*☆

☁Brainliest is greatly appreciated!☁

Hope this helps!!

- Brooklynn Deka

Answer:

n= 1/2  m−x

Step-by-step explanation:

m=2(x+n)

Step 1: Flip the equation.

2n+2x=m

Step 2: Add -2x to both sides.

2n+2x+−2x=m+−2x

2n=m−2x

Step 3: Divide both sides by 2.

2n/2   =  m−2x /2

n= 1/2  m−x

Hopes this helps

To solve the problem using Gauss-Jordan elimination, let's denote the amount borrowed at 12% as x, at 14% as y, and at 16% as z.

From the given information, we can set up the following system of equations:

1. x + y + z = 24000        (equation 1)

2. 0.12x + 0.14y + 0.16z = 3400        (equation 2)

3. x + y = 2z        (equation 3)

We can rewrite equation 3 as x + y - 2z = 0.

Now, we can create an augmented matrix with the coefficients of the variables:

```

[1   1   1 | 24000]

[0.12 0.14 0.16 | 3400]

[1   1  -2 |    0 ]

```

Applying Gauss-Jordan elimination to the augmented matrix, we perform row operations to simplify and solve the system:

R2 = R2 - 0.12R1      (subtract 0.12 times row 1 from row 2)

R3 = R3 - R1           (subtract row 1 from row 3)

The augmented matrix becomes:

```

[1   1    1 | 24000 ]

[0   0.02 0.04 | 1000  ]

[0   0   -3 | -24000 ]

```

Next, we can perform row operations to further simplify the matrix:

R2 = R2 / 0.02         (divide row 2 by 0.02)

R3 = R3 / -3           (divide row 3 by -3)

The augmented matrix becomes:

```

[1   1    1 | 24000 ]

[0   1    2 | 50000  ]

[0   0    1 | 8000   ]

```

Now, we can continue with the Gauss-Jordan elimination:

R2 = R2 - 2R3         (subtract 2 times row 3 from row 2)

R1 = R1 - R3          (subtract row 3 from row 1)

The augmented matrix becomes:

```

[1   1   0 | 16000 ]

[0   1   0 | 34000 ]

[0   0   1 | 8000  ]

```

Finally, we perform row operations to obtain the identity matrix on the left side:

R1 = R1 - R2          (subtract row 2 from row 1)

R2 = R2 - R3          (subtract row 3 from row 2)

The augmented matrix becomes:

```

[1   0   0 | -18000]

[0   1   0 | 34000 ]

[0   0   1 | 8000   ]

```

From the final matrix, we can see that x = -18000, y = 34000, and z = 8000.

Therefore, the amount borrowed at 12% is $18,000, at 14% is $34,000, and at 16% is $8,000.

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Answer:

the answer for line one for the sides ar DCB

Step-by-step explanation:

Answer: The approximate probability that exactly two of the five are blue is 0.3641

Step-by-step explanation:

The area of the irregular shape is 84 ft square.

The diagram is a trapezium. A trapezium is a quadrilateral. Therefore, the area of the trapezium can be found as follows:

area of the trapezium = 1 / 2 (a + b)h

where

Therefore,

a = 10 ft

b = 18 ft

c = 6 ft

area of the trapezium = 1 / 2 (10 + 18)6

area of the trapezium = 1 / 2 (28)6

area of the trapezium = 168 / 2

area of the trapezium = 84 ft²

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Answer:

16 cm by 24 cm

Step-by-step explanation:

Well if you want an equal amount you will have to multiply both numbers by the same thing. I used 2 and 16 cm by 24 cm would be your answer.

The dimensions of the new photograph is b. 16 cm by 24 cm.

The area of the rectangle is the product of the length and width of a given rectangle.

The area of the rectangle = length × Width

A rectangular photograph is 8 cm wide and 12 cm long.

The original area is

8 x 12 = 96

The photograph is enlarged by increasing the length and width by an equal amount in order to double its area.

The new area is 96 x 2 = 192

So the dimensions are b. 16 cm by 24 cm.

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1. 4 to 7

2. 3 even : 1 odd

3. 6 vanilla to 8 chocolate

Answer: 40%

Step-by-step explanation:

Take 170 divided by 425, then times 100% = 40%

So 40% of the guests ordered food!