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kirill [66]
2 years ago
11

Help me please i hate s

Mathematics
2 answers:
Serhud [2]2 years ago
8 0

Ask anything here: https://www.answers.com/search?q=Ask%20any%20question&filter=all

kati45 [8]2 years ago
7 0

a.  20%, 5% times 4 = 20

b. 70%, 5% times 6 = 30, 30% will steal so 70% will not.

c. 10%, 5% times 2 = 10.

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Is 7500000 meters greater than 750 kilometers
monitta
A kilometer is 1000 meters.
1000 time 750 equals 750000
So the answer is yes, 7500000 is greater than 750000
5 0
3 years ago
This is a System Of Equations and I'd like it to get solved by the Elimination or Substitution Method.x+2y=83x+5y=8
Sonbull [250]

Answer:

x=133 y=-25

Step-by-step explanation:

I'll do both ways for you. So let's start with Substitution:

With the sub method, you have to set both equations equal to each other by setting them equal to the same variable. Since there is no coefficient in front of both x's in both equations, that variable will be easiest to solve for.

x + 2y = 83    &    x + 5y = 8

Solve for x.

x = 83 - 2y     &    x = 8 - 5y

Once you have solved for x, set each equation equal to one another and solve for y now.

83 - 2y = 8 - 5y

Isolate all variables to one side:

83 = 8 - 3y

Now subtract the 8 to fully isolate the y variable:

75 = -3y

Divide by -3:

-25 = y   Now that you have your first variable, plug it into one of the original equations and solve for x.

x + 2(-25) = 83

x - 50 = 83

x = 133

Now for the Elimination method. For this method you need to get rid of a variable by either subtracting/adding each equation together. Again, since you can subtract and x from both equations, you will be left with only the y variable to solve:

Put each equation on top of one another and subtract:

  x + 2y = 83

- (x + 5y = 8)

The x's will cancel out:

(x - x) + (2y - 5y) = (83 - 8)

Simplify:

-3y = 75

Solve for y

y = -25

Then, plug y = -25 into one of the original equations:

x + 5(-25) = 8

Solve for x:

x - 125 = 8

x = 133

Hope this helps!

8 0
2 years ago
Help i need to pass:/
laila [671]

Answer:

biologists have a 14ft john boat with trolling motor for sale or trade for hipnopotomus

8 0
3 years ago
Read 2 more answers
Two cars start at the same point. One travels north at 65 km/h and the other travels east at 50 km/h. How far are they apart aft
Kisachek [45]

Answer:

they travel 115 km/h long

4 0
2 years ago
How to factor with the quadratic fourmula. n2-18n+66=0
Ghella [55]
Solve the equation using the quadratic formula
More Icon
The Quadratic formula provides the solution for
A
n
2
+
B
n
+
C
=
0
, in which A, B and C are numbers (or coefficients), as follows:


So it would be either n= -5.127 or n= 12.873
4 0
2 years ago
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