Please help i will give brainly

The probability that a randomly chosen participant in the survey will have visited both England and France is 0.5

Given data

number of clients = 70

travelled to England , France or both = 60

travelled to England = 45

travelled to France = 50

let:

E represent the client that visited England only,

F represent the number of client that visited France only,

EF represent the number of clients that visited both England and France only

we have

E + F + EF = 60

45 - EF + 50  - EF + EF = 60

45 + 50 - EF = 60

95 - EF = 60

95 - 60 = EF

EF = 35

E = 10

F = 15

probability

Pr = required outcome / possible outcome

= EF / clients surveyed

= 35 / 70

= 0.5

Explanation

EF represents the number of clients that visited England and France only, and it was solved to be 35. probability is the ratio of required outcome which 35 to the possible outcome which is the total number of clients 70. The ratio gives 0.5

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Answer:

[tex]y\le -\frac{1}{3}x + 1[/tex]

Step-by-step explanation:

The equation of the line is y = mx + b

where

m is the slope = rise/run

b = y-intercept ie where the line crosses the y-axis at x = 0

The line crosses the y axis at y = 1 so the y-intercept is 1 and the point at which the line crosses is (0, 1)

We have the equation as

y = mx + 1

To find the slope, take any two points on the line. Find the corresponding difference in the y values and divide this difference by the corresponding difference in the x values

Two convenient points are (0, 1) and (3, 0)

Slope = [tex]\frac{0-1}{3-0} = -\frac{1}{3}[/tex]

Equation of the line :
[tex]y = -\frac{1}{3}x + 1[/tex]

To find out if the inequality in the shaded region is a ≥ or a ≤ inequality, take a point in the shaded region. Determine whether the chosen point x, y values satisfy which of the following equations

[tex]y\le -\frac{1}{3}x + 1[/tex]                 (1)

or

[tex]y\ge -\frac{1}{3}x + 1[/tex]                  (2)

The point (0,0) is inside the shaded region

Plug in these values into inequality (1)
[tex]0 = -\frac{1}{3}\cdot0 + 1[/tex] = 1

Is 0 ≤ 1 ?

Indeed it is so the inequality is
[tex]y\le -\frac{1}{3}x + 1[/tex]    (Answer)

The region on the opposite side of the line must be a ≥ inqeuality

The attached graph makes it clearer

The percent of change is an increase in altitude of the weather balloon.

Change in altitude = New altitude - Original altitude

= 103 ft - 100 ft

= 3 ft

Percentage change = Change in altitude / Original altitude × 100

= 3 / 100 × 100

= 3%

Therefore, the percentage change in the altitude of the weather balloon is 3%.

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Answer:

3.744

Step-by-step explanation:

2.34

* 1.6

-------

1404

+

234

---------

3.744

It is an isosceles triangle if a triangle has either two equal sides or two equal angles,

The converse of a statement is formed by switching the hypothesis and the conclusion.

Given the statement 'if a triangle has either two equal sides or two equal angles, then it is an isosceles triangle'

Hypothesis - if a triangle has either two equal sides or two equal angles, Conclusion - then it is an isosceles triangle

The converse will be created by switching the hypothesis with conclusion and vice versa to have ' It is an isosceles triangle if a triangle has either two equal sides or two equal angles,

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oopss wrong one my bad

By using properties of right triangles, we will see that the value of x is 7.72

In the image we have a set of right triangles, and we want to find the value of x.

Let's look at the large triangle in the left, we know that the hypotenuse measures 18 units and one angle measures 64°, with that information we can get the adjacent side (the dashed line, let's call it A) to that angle:

Cos(64°) = A/18

18*cos(64°) = A = 7.05

Now we know one of the cathetus of the smaller right triangle (the one we can see in the right side). Here we know one angle that measures 20° and the opposite to that angle measures 7.05

Then the value of x is given by the equation:

x = 7.05/sin(20°) = 7.72

We conclude that the value of x is 7.72

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Answer:

b = - 12

Step-by-step explanation:

substituting m = [tex]\frac{4}{5}[/tex] , x = 10, y = - 4 into y = mx + b , gives

- 4 = ([tex]\frac{4}{5}[/tex] × 10) + b

- 4 = (4 × 2) + b

- 4 = 8 + b ( subtract 8 from both sides )

- 12 = b

The area of the shaded region in the first quadrant is: 0.75 units

The area under a curve between two points can be found by doing a definite integral between the two points.

Now,

Given:

To find: area bounded by the given lines and curve in the first quadrant.

Finding:

Now, according to the question, the lines x = 0 and y = 2 intersect at the point (0,2).

Point of Intersection of y = 2 and y = 3x - x²:

2 = 3x - x²

=> x² - 3x + 2 = 0

=> (x - 2)(x - 1) = 0

That is, the line and the curve intersect at two points: ( 1 , 2) and (2,2). But the point that is of our importance is only (1,2).

Thus, area shaded = [tex]\int\limits^1_0 {2 - 3x +x^{2}} \, dx[/tex] = 0.75 square units.

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(COMPLETE QUESTION:

What is the area in the first quadrant bounded by y=3x-x³ and the lines x=0, y=2?)

Answer: Nachelle is 1.35 meters tall. At 2 p.m., she measures the length of a tree's shadow to be 24.15 meters. She stands 19.2 meters away from the tree, so … that the tip of her shadow meets the tip of the tree's shadow. Find the height of the tree to the nearest hundredth of a meter.

Step-by-step explanation:

Answer:  x < -14.8

Step-by-step explanation:

    To solve for x, we will isolate the x-variable.

Given:

    [tex]\frac{-5x}{2}[/tex] > 37

Multiply both sides of the equation by 2:

    -5x > 74

Divide both sides of the equation by -5:

➜ Since we are dividing by a negative, we will flip the direction of the sign.

    x < -14.8

The slope across the values of the table are not the same, therefore, the table cannot be modelled by a linear equation.

If a table can be represented by a linear equation, then the slope/rate of change between every two pairs of values on the table must be the same. If it's not, then it is not a linear equation that represents y as a function of x.

Slope/rate of change between (1, 18) and (2, 15):

Slope = 18 - 15/1 - 2

Slope =-3

Slope/rate of change between (2, 15) and (8, 9):

Slope = 15 - 9 / 2 - 8

Slope = 6/-6 =

Slope = -1

Therefore, the slope across the values of the table are not the same, therefore, the table cannot be modelled by a linear equation.

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Answer:

12

Step-by-step explanation:

2 times 2 equals 4, 4 times 3 gets you 12.

the exponent 2 above the original 2 simply means to just times the original number by 2.

Note:

Love your handwriting!  

variables having the highest correlation are -

A strong correlation, also known as a high correlation, indicates that two or more variables have a significant link with one another, whereas a weak or low correlation indicates that the variables are rarely associated. The process of examining the strength of such association with the use of available statistical data is known as correlation analysis.

Out of the four measures in the survey, which two variables have the highest correlation?

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A certain vine grows at a rate of three inches per day. A researcher starts observing it

when it is 27 inches long.

I

1) What is the meaning of three inches in the problem?

2) What is 27 inches represent in the problem?

3) How long will be the vine after one day?

after two days?

4) Write an algebraic expression to represent the length of the vine after n days.

ans

Answer:

ones

Step-by-step explanation:

always start with the smallest number

Answer:

ones

then tens, tenths, hundreths

Step-by-step explanation:

hope this helps

The magnitude of the resultant velocity of the soccer ball is 25.06 m/s .

Let the horizontal component of velocity be [tex]V_{x}[/tex] and the vertical component  of velocity be [tex]V_{y}[/tex].

The magnitude of the resultant velocity will be represented by V.

So, we can write

The horizontal component of velocity = [tex]V_{x}[/tex] = 22 m/s

The vertical component  of velocity = [tex]V_{y}[/tex] = 12 m/s

The relation between horizontal component, vertical component and resultant velocity is,

[tex]V^{2} = V_{x} ^{2} + V_{y} ^{2}[/tex]

On substituting value of horizontal component and vertical component, we get

[tex]V^{2}[/tex] = [tex](22)^{2} + (12)^{2}[/tex]

[tex]V^{2}[/tex] = 484 + 144

[tex]V^{2}[/tex] = 628

V = [tex]\sqrt{628}[/tex]

V = 25.06 m/s

The magnitude of the resultant velocity of the soccer ball is 25.06 m/s .

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Answer:

  x = 12

Step-by-step explanation:

Given congruent triangles ABD and CBD, and expressions for corresponding angles ABD and CBD, you want the value of x in the expression for angle CBD.

Corresponding parts of congruent triangles are congruent, so we know ...

  ∠ABD ≅ ∠CBD

  99° = (9x -9)° . . . . use the given expressions

  11 = x -1 . . . . . . . . divide by 9°

  12 = x . . . . . . . . add 1

The value of x is 12.

Answer: 63,960

Step-by-step explanation:

Answer:

$63960

Step-by-step explanation:

tbh if i made that salary tho

Step-by-step explanation:

15x²-14x+3

Product =45

Sum=-14

=(-9,-5)

15x²-9x-5x+3

3x(5x-3)-1(5x+3)

=(5x-3)(3x-1)

The value of 165 pounds is 74.8 kilograms

The given parameter is:

1 kilogram = 2.205 pounds

Multiply both sides by 165

So, we have

165 * 1 kilogram = 2.205 pounds * 165

Divide both sides by 2.205

So, we have

165/2.205 * 1 kilogram = 2.205 pounds * 165/2.205

Evaluate the products

So, we have

74.8 kilogram = 165 pounds

Rewrite as

165 pounds = 74.8 kilogram

Hence, the value of 165 pounds is 74.8 kilograms

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According to the given statement One and half hour after the summer thunderstorm began, the temperature was approximately 1.0°F flower than at the start of the storm.

Subtract the final temperature from the starting temperature to get the temperature change (T). Multiply the temperature change by the sample's mass. Share the product's energy and heat output.

The equation is C = Q / (T m).

Consider the function t as defined below. t(h)=9.5h – 15.52 +17.4h-10.12

Here,

h is the number of hours after storm began.

The function t represents the rate of change of temperature in °F per hour during the hour and a half after the storm began.

During the storm, the temperatures lowers and then rises.

One and half hour after the summer thunderstorm began, the temperature was approximately 1.0°F flower than at the start of the storm.

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Answer:

8.38 × 10^7

Step-by-step explanation:

first digit of number X 10 raised to however many digits are after the first

The solution is Option D.

The length of the Zambezi river written in scientific notation is

L = 8.38 x 10⁷ feet

What is an Equation?

Equations are mathematical statements with two algebraic expressions flanking the equals (=) sign on either side.

It demonstrates the equality of the relationship between the expressions printed on the left and right sides.

Coefficients, variables, operators, constants, terms, expressions, and the equal to sign are some of the components of an equation. The "=" sign and terms on both sides must always be present when writing an equation.

Given data ,

Let the equation be represented as A

Now , the value of A is given by

The length of the Zambezi river in feet L = 83,800,000 feet

Now , the scientific notation is given by in powers of 10

So ,

The value of L in scientific notation is given by

The value of L = 838 x 10⁵ feet

The value of L = 8.38 x 10² x 10⁵ feet

So , on simplifying the equation , we get

The value of L = 8.38 x 10⁷ feet

Therefore , the value of L is 8.38 x 10⁷ feet

Hence , The length of the Zambezi river written in scientific notation is

L = 8.38 x 10⁷ feet

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Answer:

4 hr

Step-by-step explanation:

The closure property is defined as the completion of a collection of numbers by using arithmetic operations.

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Answer:

The question isn't clear but i try to do for 7-(-1) solution only. 7-(-1) =8 mean that 7+1=8

Answer:

The first one I think xx

The correct answer is option c. $0.79

As per the question:

No. of pea cans in a case = 18 cans

Weight of each can of peas = 12 ounces

Price of a case of peas = $14.22

The information regarding the weight of each can is redundant in this question and therefore, is not used for solving the question

Therefore, the formula to be used for solving:

Price per unit can of peas= (Price of a case of peas/No of pea cans in a case)

Price per unit can of peas= ($14.22/18)

The price per unit can of peas= $0.79

Hence, option c is the correct answer

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