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mestny [16]
3 years ago
12

1.2t - 1.44 = 0.25t solve for t please explain step by step

Mathematics
2 answers:
xxMikexx [17]3 years ago
8 0

Answer:

t = 0.99

Step-by-step explanation:

1.2t - 1.44= 0.25t

first, we add 1.44 to both sides to move it

1.2t - 1.44 = 0.25t

     +1.44    +1.44

______________

1.2t = 0.25t + 1.44

second, we want to solve for t, so we must get the variable alone (add 0.25t to 1.2t)

1.2t = 0.25t + 1.44

+0.25t  +0.25t

1.45t = 1.44

third, to get t alone we must divide by 1.45 on both sides

1.45t = 1.44

t = 0.9931034483

rounded this would be 0.99

Lyrx [107]3 years ago
8 0

Answer:

Step-by-step explanation:

So we have an equation. Let's combine like terms.

1.2t-0.25t=1.44

Now let's solve.

0.95t=1.44

We don't have a whole variable, so let's make it whole.

95t=144

Now we can solve. Let's divide both sides by 95.

t=1.5157894737

That's a long decimal. Let's round it.

t=1.5

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1) y=(7/2)x-2.
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Intercept x is the value of x when y = 0 ==> 0=(7/2) X - 2==> 7/2x=2 &x=4/7
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Now you will follow the same logic to find the are same questions

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3 years ago
Geometry! <br> Use the diagram of triangle MNO where, X, Y, and Z are the midpoints of the sides.
Anettt [7]

Answer:

YZ = 7 , MO = 8

Step-by-step explanation:

A segment joining the midpoints of 2 sides of a triangle is half the length of the third side.

(11)

YZ = \frac{1}{2} MN , that is

3x + 1 = \frac{1}{2} (10x - 6) = 5x - 3 ( subtract 5x from both sides )

- 2x + 1 = - 3 ( subtract 1 from both sides )

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Then

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(12)

XY = \frac{1}{2} MO , that is

x - 1 = \frac{1}{2} (3x - 7) ← multiply through by 2 to clear the fraction

2x - 2 = 3x - 7 ( subtract 3x from both sides )

- x - 2 = - 7 ( add 2 to both sides )

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2 years ago
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Answer:

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Step-by-step explanation:

Step: Solvey=3x+9for y:

y=3x+9

Step: Substitute3x+9foryiny=3x−4:

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4 0
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