3 years ago

2.5(6x -4) = 10+4(1.5+0.5x)

Mathematics

1 answer:

Lemur [1.5K]3 years ago

6 0

Answer:

x = 2

Nothing more, nothing less

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|3x-7| + 7 = 9 What is the first solution? Plzzz help

posledela

Answer:

3 and 5/3

Step-by-step explanation:

Solving in steps:

|3x-7| + 7 = 9
|3x-7| = 2

1. If 3x - 7 > 0

3x - 7 = 2
3x = 9
x = 3

2. If 3x - 7 < 0

3x - 7 = -2
3x = 5
x = 5/3

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It is 6.4 times longer

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The price of an item yesterday was $40. Today, the price fell to $22. Find the percentage decrease.

klio [65]

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Step-by-step explanation:

40 * .45 = 18

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3 years ago

Solve the proportion. u/2 = 4/1 U=

Lelechka [254]

$\dfrac{u}{2} = \dfrac{4}{1}$

$\implies \: u \: = \frac{4}{1} \times 2$

$\implies \: u = 8$

3 0

3 years ago

Read 2 more answers

If A = 6 B = 9 C = 15 Then what is D equal to?

Semmy [17]

A = 6
B = 9
C = 15
D = ?

From A to B, 6 + 3 = 9
From B to C, 9 + 6 = 15
From C to D, 9 + x = ?

The first time, you added 3, for the second time, you added three to the three you are adding, making it 6. So for x, x = 6 + 3, which = 9

9 + 9 = 18

D = 18 should be your answer

hope this helps

6 0

3 years ago