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ser-zykov [4K]
4 years ago
8

How to change indicated sums to indicated products as in the preceding model : 5 • 20 + 5 • 3

Mathematics
1 answer:
LenKa [72]4 years ago
6 0
We can factorize the equation given:
<span>5 • 20 + 5 • 3
= 5(20 + 3)
= 5(23)
= 115</span>
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What type of reasoning starts with a given set of rules and conditions to determine what must be true?
Firlakuza [10]
<h2>Answer:</h2>

The type of reasoning which starts with a given set of rules and conditions to determine what must be true is:

                      Deductive Reasoning.

<h2>Step-by-step explanation:</h2>

Deductive Reasoning--

It is a logical reasoning that starts with a general set of premises or statements and reach to a specific conclusion.

It is different from the inductive reasoning in the way that the inductive reasoning starts with a set of specific set of rules and reach to a general conclusion.

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3 years ago
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3 years ago
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A and B are monomials where A = 125 and B = 27p12. What is the factored form of A – B?
steposvetlana [31]

Answer:

The correct option is A.

Step-by-step explanation:

Given:

A= 125

B = 27p^12

To find: A-B

A-B = 125 - 27p^12

A-B=(5)^3-(3p^4)^3

We know that, a^3 - b^3 = (a-b)(a^2+ab+b^2)

Using this formula and finding factored form of A-B:

=(5-3p^4)((5)^2+(5)(3p^4)+(3p^4)^2)

=(5-3p^4)(25+15p^4+9p^8)

So, factored form of A-B is: (5-3p^4)(25+15p^4+9p^8)

Option A is correct..

8 0
3 years ago
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A store bought a tent for $230 andmarked it up 65%. The store sells thetent with an 8% tax, what is the totalcost of the tent?
Len [333]

The cost for buying the tent is $230.

65% was increasesd for selling. Then the rate is

\begin{gathered} 230\times\frac{65}{100}=14.95 \\ So,\text{ the marked price=230+14.95=}244.95 \end{gathered}

The tax is 8%. So this is from the marked price.

\begin{gathered} \frac{8}{100}\times244.95=19.56 \\ 244.95-19.56=225.39 \end{gathered}

Therefore the total cost of the tent is $225.39.

3 0
1 year ago
How would you prove that x=5 is true to the equation of 3x=10-5?
DENIUS [597]

Answer:

so x = 5 is not true statement

Step-by-step explanation:

well to prove x = 5 you need to get get alone or solve for x

3x = 10-5 --> 3x = 5

now you need to get x alone do this by dividing 3 by both sides

3x = 5 --> x = 5/3

x = 1.6

8 0
3 years ago
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