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Firdavs [7]
3 years ago
7

What is -2(5x-1)-3=10x

Mathematics
2 answers:
V125BC [204]3 years ago
8 0
X=-1/20
hope this helps!!!
tekilochka [14]3 years ago
5 0
-2(5x-1)-3=10x -10x+2-3=10x 2-3=x x=-1
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Mr Turner buys 12 pencils for $0.57 each . He pays with a $10 bill how much change would he revive
Delvig [45]
12(0.57)= 6.84

10-6.84= 3.16

Mr. Turner’s change is $3.16.


Hope this helps!
6 0
3 years ago
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How would you rename both factors of 61*69
natulia [17]

4209Answer:

Step-by-step explanation:

Magic

5 0
3 years ago
HELP ME PLEASEEEEE
AVprozaik [17]

Answer:  (x,y) = (-1, 1)

This means that x = -1 and y = 1

========================================================

Explanation:

The first equation says that y is the same as 2x+3

That allows us to substitute y for 2x+3 in the second equation like so:

2x+5y = 3

2x+5( y ) = 3

2x + 5(2x+3) = 3 .... y replaced with 2x+3

2x+10x+15 = 3

12x+15 = 3

12x = 3-15

12x = -12

x = -12/12

x = -1

Then we'll substitute this into the first equation to find y

y = 2x+3

y = 2(-1) + 3 .... x replaced with -1

y = -2+3

y = 1

Together x = -1 and y = 1 pair up to form the ordered pair solution (x,y) = (-1,1)

If you were to graph y = 2x+3 and 2x+5y=3 on the same xy grid, then you should see that the two lines intersect at the location (-1,1). This is a visual way to determine the solution quickly through use of a graphing calculator.

3 0
2 years ago
Need some help with this one.
Verizon [17]

Answer:

x² + 4x + 3

Step-by-step explanation:

to find f(g(x)), substitute x = g(x) into f(x)

f(g(x)) = f(x + 2) = (x + 2)² - 1 = x² + 4x + 4 - 1 = x² + 4x + 3


4 0
2 years ago
15 pts the cost of 5 cartons of fresh ice cream is $8.75 what is the cost of 11 such cartons
Morgarella [4.7K]

Answer:

C ($19.25)

Step-by-step explanation:

First, find how much 1 carton costs, which is $8.75 divided by 5, which is $1.75. So, to find how much 11 cartons cost, we just multiply by 11 to get [tex]\boxed{\$19.25}[\tex]

5 0
2 years ago
Read 2 more answers
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