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2 years ago

4/5 make this to a whole number

Mathematics

2 answers:

Alexandra [31]2 years ago

6 0

One fifth is 20% or0.2 so times 4 because you have four 20%

kenny6666 [7]2 years ago

5 0

4/5 as a whole number would be .8

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A portion of a roller coaster track is shown in the figure above. the roller coaster track is shown at ground level at point S a

eimsori [14]

Answer:

Step-by-step explanation:

This is classic right triangle trig. The height of the hill is 78.4 which serves as the side opposite the reference angle of 23 degrees. The side we are looking for is the hypotenuse of that triangle. The trig ratio that relates the side opposite a reference angle to the hypotenuse of the right triangle is the sin ratio. Setting it up using our values:

$sin(23)=\frac{78.4}{x}$ , where x is the unknown length of the hypotenuse. Solving for x:

$x=\frac{78.4}{sin(23)}$

Make sure your calculator is in degree mode before entering this in. You will get a length of the hypotenuse as 200.649 feet, so choice A.

4 0

3 years ago

A wholesaler requires a minimum of 4 items in each order from its retail customers. The manager of one retail store is consideri

Nataliya [291]

Answer:

It is the last graph: solid line, shaded area over the line x = 2 - x/2

Explanation:

1) Set the algebraigic expression that represents the combinations of sofa and pillow orders:

Number of sofas: x (given)
Number of pillows: 2y (given, since they come in pairs)
Number of items = number of sofas + number of pillows = x + 2y
Minimum of 4 items in each order (given) ⇒ x + 2y ≥ 4

2) Predict the graph of the inequality x + 2y ≥ 4

The border line is the equation x + 2y = 4
You can choose two points to draw a line
Choose the axis-intercepst:

x = 0 ⇒ 2y = 4 ⇒ y =4/2 ⇒ y = 2 ⇒ point (0,2)

y = 0 ⇒ x = 4 ⇒ point (4,0)

Then the lines goes through (0,2) and (4,0) ... [the four graphs meet this]

The shading area is above the line because when you solve for y you get y ≥ 2 - x/2, and the line is included because the "equal to" part of the symbol (≥ means greater than or equal to).

To state that the line is included the graph uses a continous line instead of a dotted one.

3) Conclusion:

That means that the correct graph is the last one: solid line, shaded area over the line y = 2 - x/2.

Note: a more detailed graph would include the fact that the items cannot be negative, i.e. x ≥ 0 and y ≥ 0, which would result in that the shaded area would be on the first quadrant.

5 0

2 years ago

Read 2 more answers

Which statements about the values of 4.099 and 40.99 are true? Select all that apply. 4.099 is 110 of 40.99. 4.099 is 1100 of 40

liraira [26]

Answer:

40.99 is 10 times more than 4.099

Step-by-step explanation:

Given the values :

4.099 and 40.99

4.099 is 110 of 40.99 : 110 * 40.99 = 4508.9 (false)

4.099 is 1100 of 40.99 : 1100 * 40.99 = 45089 (false)

40.99 is 10 times more than 4.099 : (10 * 4.099) = 40.99 (true)

40.99 is 100 times more than 4.099 : (100 * 4.099) = 409.9 ( false)

4.099 is 10 times more than 40.99 : (10 * 40.99) = 409.9 (false)

8 0

3 years ago

7,018 mm = 7.018 A. km B. m C. dm D. cm

Ymorist [56]

Answer: B

Step-by-step explanation:

4 0

3 years ago

In how many ways can 3 apple trees, 4 peach trees, and 2 plum trees be arranged along a fence line if one does not distinguish b

Dima020 [189]

Answer:

24 ways

Step-by-step explanation:

4x3x2

12x2

8 0

2 years ago