Gavin observes a marble travel along a horizontal path at a constant rate. The marble travels one quarter 4 1 ​ of the length of the path in 3, one quarter3 4 1 ​ seconds. At that rate, how many seconds does it take the object to travel the full length?

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Write each sum as a product of the GCF of the two numbers : 75 and 90

45mintutes 15mintues next 30minutes until 6:00

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He starts at 4:30.

oof


Identify the percent of change as an increase or decrease. Then find the percent of change, rounding to the nearest tenth of a percent, if necessary.60 cars to 24 cars

Answers

Answer:

-60% decrease

Step-by-step explanation:

60 is the old value and 24 is the new value.

percent change = (new - old)/(|old|) x 100%

so for this problem, you can substitute the values given in the formula:

percent change = (60-24)/(|60|) x 100% = (-36)/(60) x 100% =

-60% (decrease)  

Convert: 6 cubic centimeters to fluid ounces.

Answers

Answer:

 6 cubic centimeters = 0.202884 ounces

Step-by-step explanation:

We have 1 fluid ounce = 29.57353 cubic centimeter.

That is

          1 cubic centimeter =(1)/(29.57353)=0.03381402\texttt{ ounces}

Here we are asked to convert 6 cubic centimeters to fluid ounces.

        6 cubic centimeters = 6 x 0.03381402 = 0.202884 ounces

The answer is 0.203 fluid ounce.

To which graph does the point (-1,3) belong?

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if by graph you mean quadrant then it belongs in the 2nd quadrant, II. but that might not be what you are asking.

What is the perimeter of a triangle which sides measure 6, 8, and 10 inches?

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24... you just add the 3 numbers
Perimeter means add all the sides. So add all the sides of the triangle and thats your answer dont forget the units

To eliminate the y-terms and solve for x in the fewest steps, by which constants should the equations be multiplied?First Equation: 5x − 4y = 28

Second equation: 3x - 9y = 30

The first equation should be multiplied by 3 and the second equation by 5.
The first equation should be multiplied by 3 and the second equation by −5.
The first equation should be multiplied by 9 and the second equation by 4.
The first equation should be multiplied by 9 and the second equation by −4.

Answers

The first equation should be multiplied by 9 and the second equation by 4

9(5x - 4y) = 9(28)
4(3x - 9y) = 4(30)

   45x - 36y = 252 ⇒   45x - 36y = 252
-(12x - 36y = 120)⇒ -12x + 36y = -120
                                   33x  + 0   = 132

33x = 132
x = 132/33
x = 4

5x - 4y = 28
5(4) - 4y = 28
20 - 4y = 28
-4y = 28 - 20
-4y = 8
y = 8/-4
y = -2

x = 4 ; y = -2

3x - 9y = 30
3(4) - 9(-2) = 30
12 + 18 = 30
30 = 30 


Answer:

the answer is D

Step-by-step explanation: