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3 years ago

How can you use the properties of multiplication to determine what the factors are

Mathematics

1 answer:

Mariulka [41]3 years ago

7 0

You cant if you are trying to figure out what the factors are

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The figure shows a carpeted room. How many square feet of the room are carpeted?

damaskus [11]

Answer:

The answer is B. 28.

Step-by-step explanation:

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A car is moving 70 miles per hour. how far does it travel in 16secs

zhuklara [117]

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Step-by-step explanation:

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3 years ago

A construction company orders 12 tons of pea gravel how many pounds of pea gravel do they order

poizon [28]

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3 years ago

Mai and Tyler work on the equation 2/5b+1=-11 together. Mais soulution is b=-25 and Tyler’s is b=-28. Here is their work. Do you

Anika [276]

Answer:

No I don't agree with their solution; both their answers are wrong.

Correct answer is $b=-30$ .

Step-by-step explanation:

Given:

$\frac{2}{5}b+1=-11$

Now given:

According to Mai $b = -25$ and According to Tyler $b = -28$

Now we need to find which of them is correct.

So we will solve the given equation we get;

$\frac{2}{5}b+1=-11$

Subtracting both side by 1 we get;

$\frac{2}{5}b+1-1=-11-1\\\\\frac{2}{5}b =-12$

Now Multiplying both side $\frac{5}{2}$ we get;

$\frac{2}{5}b\times\frac{5}{2}= -12 \times \frac{5}{2}\\\\b=-6\times 5\\\\b=-30$

Hence both of them are incorrect, correct answer is $b=-30$ .

3 0

3 years ago

Write an equation to represent the N'th term of the sequence (2,-1.-4,-7,...)

mr_godi [17]

Answer: a(n) = 5 - 3n

the sequence has:

a1 = 2

a2 = -1

a3 = -7

.........

we can see that: a2 - a1 = a3 - a2 = -3

=> the sequence is a arithmetic sequence

=> the distance between the numbers is d = -3

because this sequence is a arithmetic sequence

=> a(n) = a1 + (n - 1)d = 2 + (n - 1).(-3) = 5 - 3n

Step-by-step explanation:

7 0

3 years ago