3 years ago

How to simplify 3x-1

Mathematics

2 answers:

Murljashka [212]3 years ago

5 0

Answer:

9×2

Step-by-step explanation:

(-3x)2=-3x×-3x=9×2

padilas [110]3 years ago

4 0

Answer:

3x-1 cannot be simplified any further

Step-by-step explanation:

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Ten measurements of impact energy on specimens of A238 steel at 60 ºC are as follows: 64.1, 64.7, 64.5, 64.6, 64.5, 64.3, 64.6,

Drupady [299]

Answer:At 95% confidence interval, the lower end is 64.306 and the upper end is 64.614

At 98% confidence interval, the lower end is 64.268 and the upper end is 64.652

Step-by-step explanation:

8 0

2 years ago

What is the equation of a line that is perpendicular to 2x+3y=9 and passes through the point (8,5)

pochemuha

For
ax+by=c
slope=-a/b

perpendiculare lines have slopes that multiply to -1

so

2x+3y=9
slope=-2/3
-2/3 times what=-1
what=3/2

point slope form
the equation of a line that passes through the point (x1,y1) and the slope is m is
y-y1=m(x-x1)
slope=3/2
point i (8,5)

equation is
y-5=3/2(x-8)
converted to standard form
2y-10=3x-24
-3x+2y=-14
3x-2y=14

7 0

3 years ago

Read 2 more answers

Solve for t. t + 19 = 45) it will give u 29 points if u help me!

Oksi-84 [34.3K]

Hi there!

Answer:

t=26

*The answer must have a positive sign.*

Step-by-step explanation:

First, you subtract by 19 from both sides of an equation.

$t+19-19=45-19$