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Blababa [14]
3 years ago
12

Solve each please and tell me which have an equivalent expression

Mathematics
1 answer:
Lyrx [107]3 years ago
3 0

Answer:

1. 1 7/8

Step-by-step explanation:

1.

4/5x + 4 = 2 2/5x + 1

4/5x = 2 2/5x -3

-1 3/5x = -3

15/8

im too lazy to finish the rest

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Find the distance between the pair of points. Round your answer to the nearest hundredth. (-8,19) and (3,5)
Amiraneli [1.4K]

Answer:

<h3>The answer is 17.80 units</h3>

Step-by-step explanation:

The distance between two points can be found by using the formula

d =  \sqrt{ ({x1 - x2})^{2} +  ({y1 - y2})^{2}  } \\

where

(x1 , y1) and (x2 , y2) are the points

From the question the points are

(-8,19) and (3,5)

The distance between them is

d =  \sqrt{ ({ - 8 - 3})^{2}  +  ({1 9 - 5})^{2} }  \\  =  \sqrt{( { - 11})^{2}  +  {14}^{2} }  \\  =  \sqrt{121 + 196}  \\  =  \sqrt{317}  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \\  = 17.804493...

We have the final answer as

<h3>17.80 units to the nearest hundredth</h3>

Hope this helps you

5 0
3 years ago
Could someone help me with this I promise it’s the last time!
mario62 [17]

Answer: 64 miles

Step-by-step explanation:

Subtract all of Buck's expenses from the total amount that he spent to isolate the amount of miles.

70.23 (Total) - 39.95 (Flat Rate) - 9.80 (Gas) = 20.48

20.48  ÷ 0.32 (Cost Per Mile) = 64 (Total miles)

Hope this helps!

5 0
3 years ago
Read 2 more answers
If f(x) = 3x^2 and g(x) = √2x what is the value of (f o g)(8)?
irakobra [83]

Answer: front tear

Step-by-step explanation:

5 0
3 years ago
40 points!! need help asap
Mekhanik [1.2K]

#1.

[4x = -12y + 16 and x + 3y = 4]

One answer


#2.

Here, y = 4x + 3

y - 4x = 3

Multiply by 2,

2y - 8x = 6

Compare with second equation,

6 ≠ 3

In short, System of Equation does not have any solution. [ Option D ]

#3.

2y=6

3x-6y=18

Divide first equation by 2: y=3

Substitute y=3 into second equation: 3x-6(3)=18

Solve for x: 3x=36 x=12

Therefore there is only one solution: x=12 y=3


#4.

y - 7x = -14

7y - 49x = -2

Rewrite the first equation as "y =" so that it can be substituted into the second equation and solve for x.

y = 7x - 14

7(7x - 14) - 49x = -2

49x - 98 - 49x = -2

-98 = -2

Since the variables cancel and the equation is not true there is no solution.

The lines are parallel and will not intersect.  


3 0
4 years ago
What is the slope of the line y=4x-2 ?
ella [17]

Answer:

4

Step-by-step explanation:

The slope will always be x's coefficient, or the number attached to x.

8 0
4 years ago
Read 2 more answers
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