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Kryger [21]
3 years ago
7

On the hike down the mountain Erica descends at a rate of 36 speed each hour what is her change in elevation after 3 hours

Mathematics
1 answer:
Korolek [52]3 years ago
6 0

Answer:

C = 108 feet

Step-by-step explanation:

if in 1 hour she descends at a speed of 36

in 3 hours she will descend. x

3 hours x 36 feet / 1 hour = 108 feet

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Answer and please show work!
snow_lady [41]

Answer:

5

Step-by-step explanation:

If we consider half the first purchase, it is

2 used + 1 new = $42

And the second purchase is

6 used + 1 new = $78

Subtracting the first of these equations from the second, we get ...

4 used = $(78 -42) = $36

used = $9 . . . . . . . . . . . . . . divide by 4

Then we can find the price of a new game from ...

new = $42 - 2 used = $42 -2·9 = $24

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The number of used games Janet can purchase on her budget is ...

($120 -3·$24)/$9 = $48/$9 = 5 1/3 ≈ 5

Janet can purchase 5 used and 3 new video games for $120. (and have $3 left)

6 0
3 years ago
carla and mikela went to the county fair and saw pumpkin on scales. carlas pumpkim weighed 9 pounds.carlas pumpkin weighed 7 pou
blagie [28]

Answer:

The combined weight of the pumpkin is 25 pounds.

Step-by-step explanation:

If Carla's pumpkin weighs 9 pounds and her pumpkin weighs 7 pounds less than Mikela's pumpkin, then you would add 7 to carlas pumpkin and that would equal 16. then, you would add 16 and 9 together to get the combined weight of the pumpkin.

5 0
4 years ago
The body of a dump truck is raised to empty a load of dirt. How high is the 10-inch body from the frame when it is tipped up at
s2008m [1.1K]
There is a special right triangle in this picture ( with angles 30°- 60°- 90° ). Sides of that triangle are: a, a/2 and a√3/2.
a = 10
h = a/2 
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6 0
3 years ago
Give the following equations determine if the lines are parallel perpendicular or neither
GaryK [48]

In order to determine whether the equations are parallel, perpendicular, or neither, let's simply each equation into a slope-intercept form or basically, solve for y.

Let's start with the first equation.

\frac{6x-5y}{2}=x+1

Cross multiply both sides of the equation.

6x-5y=2(x+1)6x-5y=2x+2

Subtract 6x on both sides of the equation.

6x-5y-6x=2x+2-6x-5y=-4x+2

Divide both sides of the equation by -5.

-\frac{5y}{-5}=\frac{-4x}{-5}+\frac{2}{-5}y=\frac{4}{5}x-\frac{2}{5}

Therefore, the slope of the first equation is 4/5.

Let's now simplify the second equation.

-4y-x=4x+5

Add x on both sides of the equation.

-4y-x+x=4x+5+x-4y=5x+5

Divide both sides of the equation by -4.

\frac{-4y}{-4}=\frac{5x}{-4}+\frac{5}{-4}y=-\frac{5}{4}x-\frac{5}{4}

Therefore, the slope of the second equation is -5/4.

Since the slope of each equation is the negative reciprocal of each other, then the graph of the two equations is perpendicular to each other.

5 0
1 year ago
The value of a small airplane depreciates exponentially every year after it is
julia-pushkina [17]

Answer: the operation can be said as x( 576-68)t-5= x

Step-by-step explanation:

You can see this because I am smart and just am

7 0
2 years ago
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