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3 years ago

Write an algebraic expression for each word phrase.

Mathematics

1 answer:

Viktor [21]3 years ago

7 0

Answer:

1 4+p

2 5-(y×3)

3 m÷10

4 3×(7-d)

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If a polynomial has four terms, 3x3 + 5x + 6x2 + 10, which factoring method can be considered?

Alexus [3.1K]

Hello,

1) order the terms:

3x^3+6x^2+5x+10

2) method: grouping 2 to 2 the terms:

=(3x^3+6x^2)+(5x+10)
=3x^2(x+2)+5(x+2)=(x+2)(3x^2+5)

5 0

3 years ago

Read 2 more answers

Find the perimeter of the image below

Naily [24]

Answer:

Step-by-step explanation:

7 0

3 years ago

Read 2 more answers

One container is filled with mixture that is 25% acid. A second container is filled with a mixture that is 55% acid. The second

algol13

Answer:

Therefore the third container contains $\frac{735}{17}\%$ = 43.23 % acid.

Step-by-step explanation:

Given that, One container is filled with the mixture that 25% acid. 55% acid is contain by second container.

Let the volume of first container be x cubic unit.

Since the volume of second container is 55% larger than the first.

Then the volume of the second container is

$= (V\times \frac{100+55}{100})$ cubic unit.

$=\frac{155}{100}V$ cubic unit.

The amount of acid in first container is

$=V\times \frac{25}{100}$ cubic unit.

$=\frac{25}{100}V$ cubic unit.

The amount of acid in second container is

$=(\frac{155}{100}V \times \frac{55}{100})$ cubic unit.

$=\frac{8525}{10000}V$ cubic unit.

Total amount of acid $=(\frac{25}{100}V+\frac{8525}{10000}V)$ cubic unit.

$=(\frac{2500+8525}{10000}V)$ cubic unit.

$=(\frac{11025}{10000}V)$ cubic unit.

Total volume of mixture $=(V+\frac{155}{100}V)$ cubic unit.

$=\frac{100+155}{100}V$ cubic unit.

$=\frac{255}{100}V$ cubic unit.

The amount of acid in the mixture is

$=\frac{\textrm{The volume of acid}}{\textrm{The amount of mixture}}\times 100 \%$

$=\frac {\frac{11025}{10000}V}{\frac{255}{100}V}\times 100\%$

$=\frac{735}{17}\%$

Therefore the third container contains $\frac{735}{17}\%$ acid.

5 0

3 years ago

Wait so the sum of interior angles

Amiraneli [1.4K]

<h3>Answer: 1260</h3>

====================================================

Work Shown:

n = number of sides = 9

S = sum of the interior angles of any polygon with n sides

S = 180(n-2)

S = 180(9-2)

S = 180(7)

S = 1260

8 0

2 years ago

Give EG = 5x+7 EF =5x and FG=2x-7

Len [333]

Answer:

x = 7

42, 35, 7

Step-by-step explanation:

EG = 5x+7
EF = 5x
FG = 2x-7

Point F is on line segment of EG, therefore EG = EF + FG

5x + 7 = 5x + 2x - 7
2x = 14
x = 7

Then

EG = 5*7 + 7 = 42
EF = 5*7 = 35
FG = 2*7 - 7 = 7

7 0

3 years ago