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3 years ago

5 PIONTS+ BRAINLYESS

Mathematics

2 answers:

pentagon [3]3 years ago

6 0

Answer: 0.45 > 0.39

madam [21]3 years ago

3 0

Good morning,

Answer:

0.45 > 0.39

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Compare the decimals 7,231.60 and 7,231.6. Which comparison is correct? A. 7,231.60 < 7,231.6 B. 7,231.60 = 7,231.6 C. 7,231.

Ilia_Sergeevich [38]

B. 7,231.60 = 7,231.6

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3 years ago

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Biking at 12 mph, it takes Kristen hour to reach the train station to go to work. Kristen then takes the train to work, and it t

LenKa [72]

Answer:

d = 19 mi

Step-by-step explanation:

Total dist = bike dist + train dist

d = 12(.5) + 20(.5)

d = 6 + 13

d = 19 mi

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3 years ago

(x³ + ³) / (x - y)<br> Do not include parentheses in your answer.

Lubov Fominskaja [6]

The simplified expression of $\frac{x^3 + (-y)^3}{(x - y}$ is $x^2+xy+y^2$

<h3>Complete question</h3>

Simplify the expression: (x³ + (-y)³) / (x - y)

Do not include parentheses in your answer.

<h3>How to simplify the expression?</h3>

The expression is given as:

$\frac{x^3 + (-y)^3}{(x - y}$

Open the inner bracket

$\frac{x^3 -y^3}{(x - y}$

Apply the difference of two cubes to the numerator

$\frac{(x-y)(x^2+xy+y^2)}{(x - y}$

Cancel out the common factors

$x^2+xy+y^2$

Hence, the simplified expression of $\frac{x^3 + (-y)^3}{(x - y}$ is $x^2+xy+y^2$

Read more about expressions at:

brainly.com/question/723406

#SPJ1

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2 years ago

If 11 - 3x = x, then 20x=

dimaraw [331]

Answer:

20x = 55

Step-by-step explanation:

First you have to add 3x to both sides of 11-3x=x

$11-3x=x\\+3x=+3x\\11=4x$

Now that you have 11 = 4x you divide 4 on both sides $\frac{11}{4} =\frac{4x}{4}$

11/4 = x

But you can't divide 11 by 4 unless you are looking for the decimal form of 11/4 which is 2.75

so now we take 11/4 or 2.75 depending on if you need your answer in fraction or as a decimal and replace that with x however both will equal the number 55

$20(\frac{11}{4})=55\\20(2.75)=55$

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2 years ago

What is the approximate circumference of a semicircle with a radius of 35 inches?

kakasveta [241]

If it were a complete circle, its circumference would be

(π) x (diameter) = (π) x (2R) = 70 π inches .

Since it's only half of the circle, the length of the curved part is

70 π / 2 = 35 π = <em>109.9 inches</em> .

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2 years ago

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