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nika2105 [10]
2 years ago
11

5(x+21)= 8x help me please

Mathematics
1 answer:
chubhunter [2.5K]2 years ago
5 0

Answer:

35

Step-by-step explanation:

Steps

1.  5x + 105 = 8x because you distributed the 5

2. 105 = 3x because you subtract the 5x on both sides

3. 105/3 = x because you divide the 3 and 105/3 is 35

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Use the cubic model y = 6x3 - 5x2 + 4x – 3 to estimate the value of y when x = 2.
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Answer:

The answer is B.

Step-by-step explanation:

You have to substitute x = 2, into the equation of y :

y = 6 {x}^{3}  - 5 {x}^{2}  + 4x - 3

let \: x = 2

y = 6 {( 2)}^{3}  - 5 {(2)}^{2}  + 4(2) - 3

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y = 33

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(-1,-2)

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Order the numbers below least to greatest<br> Please help me
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The given numbers ordered from least to greatest is:

{√7 , 2.8..., π, √17,  4.6}

<h3>How to order the numbers from least to greatest?</h3>

First, we need to write all the given numbers in decimal form so we can accurately compare them.

The numbers are:

{4.6, √7, π, 2.8..., √17}

Rewriting all of these in decimal form:

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Then the numbers are:

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Now, using the original notation we get:

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1 year ago
Multiply (x + 3)(x – 3).
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