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scZoUnD [109]
3 years ago
11

Write an expression where you multiply a decimal number by 100. Which direction and how many places does the decimal move?

Mathematics
2 answers:
tatyana61 [14]3 years ago
8 0
2 places to the right, for example 0.01 times 100 is 1
bagirrra123 [75]3 years ago
8 0

.57 times 100=  57. you moe the decimal 2 places to the right

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70 points
Verizon [17]

Answer:

500

All of the above

paying your balances off in full

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0% interest for 1 year and 12% interest after that

paying your balances off in full

all of the above

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
Y = sin (x + 60°), What transformation does + 60° cause to the sine graph?
Goshia [24]

Answer:

3. There is a phase shift (Horizontal shift).

Step-by-step explanation:

Use desmos to help you

Graph

y=sin(x+60)

y=sin(x)

5 0
2 years ago
janet completed 8 math problems in 10 minutes. How long per question did janet spend(in minutes and seconds)?
Dominik [7]
It would take 1.25 minutes to complete each problem because 10 divided by 8 equals 1.25
5 0
3 years ago
Read 2 more answers
Saira is using the formula for the area of a circle to determine the value of .
klio [65]

For this problem, we just have to use the values we're given to calculate the approximate value of pi.

The formula presented is

\pi=Ar^{-2}

When you have a negative exponent, we can use the following property

a^{-b}=\frac{1}{a^b}

Using this property, our problem turns out to be

\pi=\frac{A}{r^2}

Now, we just need to plug the given values on this equation

\pi=\frac{50.265}{4^2}=3.1415625\approx3.142

The approximated value for pi is 3.142.

5 0
1 year ago
A rectangular cow pasture is enclosed on three sides by a fence and the fourth side is part of the side of a barn that is $400$
Rudiy27

Let us list out the given information:

Cost per foot = $5

Total fencing cost = $1200

Let L be the length of the barn that will maximize the area of the pasture and W be the width of the rectangular cow pasture.

From the given information, we need to do the fencing for three sides covering 1 L and 2 W's because other L will be the fourth side is part of the side of a barn. We need to write the equation based on the cost information.

If cost/foot is $5, then cost of length ' L ' will be 5L dollars and cost of '2W' width equals 10W dollars. Total cost is $1200. We can set up second equation as

5L + 10W = 1200. This can be simplified by dividing throughout the equation by 5 to get L+ 2W= 240. Solving for L we get L = 240 - 2W

Area of a rectangle is given by A = L ×W.

Substituting 240 - 2W for L we get the area function as..

A=(240 - 2W)×W= 240W-2W²

A = -2W²+240W.

When we have a function of the form f(x) = ax^2 + bx + c, then maximum value of the function can be obtained for x = -b/2a. Using that idea we can find the maximum area.

Here in the area function a = -2 and b = 240

For W = -b/2a = -240/2(-2) = -240/-4 = 60 feet, we get maximum area.

The question is asking us to find Length. We can substitute W = 60 in the equation L = 240 - 2W to find the Length.

L = 240 - 2(60) = 240 - 120 = 120 feet.

Conclusion: The length of the side parallel to the barn that will maximize the area of the pasture is 120 feet.

Note: Here the information 400 feet in the sentence "the fourth side is part of the side of a barn that is 400 feet long" given to distract us, we might not require that information to find the Length.

3 0
3 years ago
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