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Dennis_Churaev [7]
3 years ago
15

____________________

Mathematics
1 answer:
Evgen [1.6K]3 years ago
7 0
1 -108
2 +10
3 -200
4 -2500
5 +5200
6-4
7 -16
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Martin won first place in the 100-meter dash with a time of 14 23/100 seconds. Samuel came in second place with a time of 15 7/1
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25a is true
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25d is false
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4 years ago
What is the graph of y= <img src="https://tex.z-dn.net/?f=-%5Csqrt%5B7%5D%7Bx%7D%20-8" id="TexFormula1" title="-\sqrt[7]{x} -8"
Verdich [7]
The graph is Negative
7 0
3 years ago
You must show all the steps for this problem. That means you must set-up the problem correctly step-by-step. Do not just write t
Nataly [62]

Answer:

Below in bold.

Step-by-step explanation:

cos x = adjacent side / hypotenuse

= 8/21

= 0.380952

So m < x =  arccos 0.380952

= 67.607

= 68 degrees to nearest degree.

8 0
3 years ago
the length of a rectangle is equal to triple the width. Write a system of equations that can be used to find the dimensions of t
IrinaK [193]
First you set and equation for length which is three times width

l=3w

The substitute in the perimeter, p, into the equation for perimeter which is p=2l+2w

88=2l+2w

Then substitute in length, l, with the equation previously created: l=3w

88=2(3w)+2w

Multiply 2 and 3w

88=6w+2w

Combine like terms: 6w+2w

88=8w

Divide to get the value for w

w=11

Since you figure the value for w, 11, you can plug it into the equation for length which is l=3w

l=3(11)

When you do you get

l=33


So the length is 33 and the width is 11
6 0
3 years ago
Calculate the fuel and mileage.
VladimirAG [237]

Answer:

14.5*29=420.5 miles for a full 14.5-gallon tank.

7.25-gallons is what is left in a half tank.

105.125 miles can be driven on a quarter tank.

if the low milage alert comes on at 50 miles left they have 1/9 of the tank left with gas.

if the low milage alert comes on at 50 miles left he was 1.724 gallons of gas left.

It would cost $30.28 to get the tank back to a full 14.5 gallons.

Step-by-step explanation:

It was mostly basics knowing that 29 miles per gallon and then its just plug in til it fits.

6 0
3 years ago
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