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2 years ago

The histogram below shows the age distribution of Elizabeth’s grandchildren.

Mathematics

2 answers:

motikmotik2 years ago

8 0

С.

I hope helped`` ^-^

Blizzard [7]2 years ago

7 0

Answer:

Option: C is the correct answer.

C. The interval on the x-axis of the histogram is inconsistent

Step-by-step explanation:

Clearly after looking at the histogram we see that the interval on the x-axis are inconsistent.

Since, the intervals given are:

0-4 ( length of interval is 4)

5-9 ( length of interval is 4)

10-14 ( length of interval is 4)

But the intervals:

(15-19) is missing in the given histogram.

And then a interval of length 4 is given i.e. (20-24)

Hence, option: C is the correct answer.

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A force of 4 pound acts in the direction of 48degree to the horizontal. The force moves an object along a straight line from the

Dafna11 [192]

Answer:

Work Done = 27.66 Joules

Step-by-step explanation:

The work done is:

$W=F*d*Cos \theta$

Where

F is the fore

d is the distance moved

$\theta$ is the angle

The force is "4"

The distance is the distance from (1,7) to (8,10)

The distance is the square root of change in y coordinates, squared and sum of change in x coordinates, squared. Hence, distance is:

$\sqrt{(10-7)^2+(8-1)^2}\\=\sqrt{3^2+7^2}\\\sqrt{58}$

The angle is gotten by the formula:

$Cos\phi = \frac{Force in x direction}{Distance}\\Cos\phi = \frac{8-1}{\sqrt{58}}\\Cos\phi=\frac{7}{\sqrt{58}}\\\phi = Cos^{-1}\frac{7}{\sqrt{58}}\\\phi = 23.21$

So, now:

$\theta = 48 - 23.21 = 24.79$

Work Done = $F*d * Cos\theta = 4 * \sqrt{58} * Cos(24.79)$

Work Done = 27.66 Joules

6 0

2 years ago

Geometry...................

m_a_m_a [10]

Answer:

The answer to your question is below

Step-by-step explanation:

Data

Number of employees = 192

See the table

Process

a) To solve this question, consider only the employees that prefer a jacket

Male 77

Female +35

112 employees prefer a jacket

- Calculate the probability

P = 112 / 192

P = 0.58

b) Female and prefers a jacket

P = (54 /192)(35/192)

P = (0.28)(0.18)

P = 0.05

8 0

2 years ago

Simplify, if x = 2 and y = -1: 3(y + 2)^2 + 3x

svet-max [94.6K]

Answer:

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

Step-by-step explanation:

Step 1: Define

3(y + 2)² + 3x

x = 2

y = -1

Step 2: Evaluate

Substitute: 3(-1 + 2)² + 3(2)
Add: 3(1)² + 3(2)
Exponents: 3(1) + 3(2)
Multiply: 3 + 6
Add: 9

5 0

2 years ago

Plz help will be marked BRAINLIEST

Simora [160]

Answer:

10 inches

Step-by-step explanation:

7 0

2 years ago

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Solve for x -12 = 4(x – 5) X =

bonufazy [111]

Answer:

-12=4x-20

4x=12+20

4x=32

4 = 4

x=8

5 0

2 years ago