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tatuchka [14]
3 years ago
7

1 + 4x = -5 + 7x Help plz

Mathematics
1 answer:
Vlad1618 [11]3 years ago
3 0

Answer:

x=2

Step-by-step explanation:

1 + 4x = -5 + 7x

Subtract 4x from each side

1 + 4x-4x = -5 + 7x-4x

1 = -5+3x

Add 5 to each side

1+5 = -5+5+3x

6 = 3x

Divide each side by 3

6/3 = 3x/3

2 =x

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there is a 20% discount with a set of tires in normally sells for $368. How much will be tires cost after the discount?
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Same as before, if we take 368 to be the 100%, how much is 20% off that?

\bf \begin{array}{ccll}
amount&\%\\
\text{\textemdash\textemdash\textemdash}&\text{\textemdash\textemdash\textemdash}\\
368&100\\
d&20
\end{array}\implies \cfrac{368}{d}=\cfrac{100}{20}\implies \cfrac{368\cdot 20}{100}=d

so, the discount is that much, thus, the discounted price is then 368 - d.
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Answer:

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3 years ago
A trellis consists of overlapping wooden slats.
mars1129 [50]

The value of x  in order for the two slats to be parallel is 6.

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The angle is the measure of how inclined are the two surfaces, or lines with respect to each other.

For the slats to be parallel. both the given angles must be equal

So,

(3x +24)° = 7x°

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The measure of the indicated angle is

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brainly.com/question/13954458

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The expression (8^2)^3 in the example problem is a product of powers. What are the powers being multiplied? What are the powers
zhannawk [14.2K]

Answer:

a) 8²

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Step-by-step explanation:

The power of a number is the base together with the exponent of the number.

The given expresion is

( {8}^{2} )^{3}

We can rewrite this as:

{8}^{2}  \times  {8}^{2}  \times  {8}^{2}

Over here the power being multiplied is

{8}^{2}

Also, the powers being multiplied in

( {2}^{4} )( {5}^{4} )

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