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Rufina [12.5K]
3 years ago
14

Two airplanes left the same airport and arrived at the same destination at the same time. The first airplane left at 8:00 a.m. a

nd traveled at an average rate of 496 miles per hour. The second airplane left at 8:30 a.m. and traveled at an average rate of 558 miles per hour. Let x represent the number of hours that the first plane traveled.
Write an equation that can be used to solve the value of x.
Mathematics
1 answer:
Ludmilka [50]3 years ago
3 0

Answer:

Y=496x+8

Step-by-step explanation:

496 per hour, plus 8 oclock the time they left

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Demont made one fourth pound of rock candy.He will separate the candy into four stacks.If he puts an equal amount of candy in ea
kondor19780726 [428]

Answer:

1/16

Step-by-step explanation:

Demont made one fourth (\frac{1}{4}) pound of rock candy

He separates the candy into four sacks equally.

This is done by dividing the total fraction of candy of a pound of candy made  by the number of sacks

The fraction of a pound of candy that will be in each sack therefore is:

\frac{1}{4}\div  4= \frac{1}{4}X\frac{1}{4}=\frac{1}{16}

Therefore, One-Sixteenth of a pound of candy will be in each of the sack.

3 0
3 years ago
One counting number is 4 times great as a counting number.The product of the two number is 36.What is the sum of the two number
VARVARA [1.3K]

Answer:

The sum of the two numbers is 15

Step-by-step explanation:

Let the counting numbers be x and y.

Then we can write the following equations

x=4y.......1 (one is four times greater )

x(y)=36.....2 (the product of the two)

Putting equation 1 into equation 2, we get

4y(y)=36

{4y}^{2} = 36

Dividing through by 4,we get

{y}^{2} =  \frac{36}{4}

{y}^{2} = 9

Taking square root of both side, we obtain

y=3

Putting the value of y into equation , we get

x=4(3)=12

Hence the numbers are 3 and 12

Therefore the sum of the two numbers is 3+12=15

3 0
3 years ago
Select the two values of x that are roots of this equation.
VMariaS [17]

Answer:

x = 2, -3

Step-by-step explanation:

x^2 + 2x- 6 = 0\\=>x^2 +3x - 2x- 6 = 0\\=>x(x+3) - 2(x +3) = 0\\=> (x-2)(x+3) = 0\\\\

(x-2)  = 0     or (x+3) = 0

x = 2  or x = -3

Thus, two values of x are x = 2, -3

Note: The options given are incorrect.

4 0
3 years ago
A cylindrical plastic pipe’s length is 12 cm and it’s radius is 2.5 cm. To the nearest tenth, what is the volume of the pipe?
NemiM [27]

Answer:

V = 235.6 cm³

Step-by-step explanation:

the formula for the volume of a cylinder of radius r and length h is

V = πr²h.  

Here, r = 2.5 cm and h = 12 cm, so the volume is:

V = π(2.5 cm)²(12 cm) = 75π cm³

To the nearest tenth, this volume would be V = 235.6 cm³

7 0
3 years ago
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What is 3+3-2? The problems are getting harder. :(
liq [111]

Answer:

4

Order of Operations is what you have to use

8 0
3 years ago
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