3 years ago

What is k + 1.5 would it be 1.5k?

Mathematics

1 answer:

masha68 [24]3 years ago

6 0

Yes because K is a variable not a number

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Do a and b have the same value in the equations 2(a-1.1)=5.8 and 5/2b-2 3/4=7 1/4

luda_lava [24]

Answer:

Step-by-step explanation:

Solve each equation and compare the solutions

2(a - 1.1) = 5.8
a - 1.1 = 5.8/2
a - 1.1 = 2.9
a = 2.9 + 1.1
a = 4

(5/2)b - 2 3/4 = 7 1/4
2.5b = 7 1/4 + 2 3/4
2.5b = 10
b = 10/2.5
b = 4

Both a and b have same value

6 0

2 years ago

Help with graph question

Gala2k [10]

The first thing we are going to do to graph our equation is solve them for $y$ :
For our first equation:
$4x-5y=50$
$-5y=20-4x$
$y= \frac{4}{5} x-4$
For our second equation:
$3x+y=-4$
$y=-3x-4$

Now, we just need to use the graphing utility to graph our equations:
$y= \frac{4}{5} x-4$
$y=-3x-4$

We can conclude that the graph of the equations is: