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erma4kov [3.2K]

3 years ago

15

15 less than quadruple a number w

1 answer:

vichka [17]3 years ago

8 0

Answer:

4w-15

Step-by-step explanation:

For expressions that have "more than/less than" , that number goes AFTER the "whatever a number" statement because that's just how they explain it. I don't remember the exact reason why, but that is how my professor made me remember it, and yes, the order WILL affect the expression since that's a specific topic and I suppose you're being tested on how to make algebraic expressions based on descriptions.

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X to the power of 3 - 7x + 6 factorise please whole step by step

Over [174]

Answer:

$(x + 3)(x - 2)(x - 1)$

Step-by-step explanation:

${x}^{3} - 7x + 6$

Factor using Rational Root Theorem.

This means our possible roots are

positve or negative (1,2,3,6). If we try positve 1, it is indeed a root.

This means that

$(x - 1)$

is a root.

We can divide the top equation by the root (x-1). Our new equation is

$( {x}^{2} + x - 6)$

Now we can factor this completely

$(x + 3)(x - 2)$

So this equation in factored form is

$(x + 3)(x - 2)(x - 1)$

8 0

3 years ago

Solve for v.<br> 3v = 42<br> Simplify your answer as much as possible.

pogonyaev

Answer:

V=14

Step-by-step explanation:

3v=42 divide both sides by 3. getting v=14

3 0

2 years ago

The area of the circle is 132.7 square centimeters. What is the diameter

VladimirAG [237]

Equating the formula (d is the diameter)

$\pi$ d^2/4 = 132.7
d^2 = 132.7*4/ $\pi$
d = $\sqrt{169.044586}$
d = 13.0017147331
d= 13cm

7 0

3 years ago

I need help with this problem.

liberstina [14]

4050 divided by 3 = 1350
There is 4050 people in an arena and there is 3 sections of seats. How many people are in one section of seats?

6 0

3 years ago

What does 7 1/2 + 8 11/12 equal!

Pachacha [2.7K]

The answer to your question is 16 and 5/12

8 0

3 years ago

Read 2 more answers