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4 years ago

What is 12.15 ×19 please anybody help

Mathematics

2 answers:

enyata [817]4 years ago

8 0

what is 12.15 ×19

Answer: 230.85

nordsb [41]4 years ago

5 0

it is 230.85 because 12.15 x 19

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Please I need it asap

Sauron [17]

Answer:

5) √(3² + 5²) = √34

6) √(4² - 3²) = √7

7) the visible answers all say exactly the same thing in different ways and are all correct.

Step-by-step explanation:

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3 years ago

Solve the system of linear equations below by graphing. x-y=17 and 3x+y=3

soldier1979 [14.2K]

Answer:

x=5,y=-12

Step-by-step explanation:

You add the two equations to get: 4x=20

Then you get x=5.

You plug this in to x-y=17 to get y=-12

The answer is x=5 and y=-12

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3 years ago

Suppose that, in some distant part of the universe, there is a star with four orbiting planets . One planet makes a trip around

WINSTONCH [101]

Answer: 90 Earth years.

Step-by-step explanation:

Analizing the information provided in the exercise, you need to find the Least Common Multiple (LCM) of the given numbers.

You can follow these steps:

1. You must descompose 6, 9, 15 and 18 into their prime factors:

$6=2*3\\\\9=3*3=3^2\\\\15=3*5\\\\18=2*3*3=2*3^2$

2. Finally, you need to choose the commons and non commons with their greatest exponents and multiply them. Then you get:

$L.C.M=2*3^2*5=2*9*5\\\\L.C.M=90$

Therefore, it will take 90 Earth years for them to all line up.

3 0

4 years ago

Is 12/50 Grader than 4/5

Oliga [24]

Answer:

No, $\frac{4}{5}$ is greater than $\frac{12}{50}$ .

Step-by-step explanation:

The two fractions to be compared are given as:

$\frac{12}{50}$ and $\frac{4}{5}$

Now, in order to compare them, we need to make the denominator same for both the fractions and then compare their numerators.

LCD of 50 and 5 is 100. So, we try to make each denominator 100 and change the numerator accordingly.

We multiply the first fraction by $\frac{2}{2}$ and we multiply the second fraction by $\frac{20}{20}$ as given below:

$\frac{12\times 2}{50\times 2}=\frac{24}{100}\\\frac{4\times 20}{5\times 20}=\frac{80}{100}$

Now, the two new fractions are $\frac{24}{100}$ and $\frac{80}{100}$ .

Now, we check the numerators. The numerator that is larger among the two has the greater fraction value.

Here, 80 is greater than 24. So, fraction $\frac{80}{100}$ is greater than $\frac{24}{100}$ or $\frac{4}{5}$ is greater than $\frac{12}{50}$ .

7 0

3 years ago

What is the sum of the interior angles of a nonagon?

valina [46]

Answer:

D) 1260°

Step-by-step explanation:

Total angle: (n - 2) × 180

Nonagon has 9 sides, so n = 9

(9 - 2) × 180 = 1260

8 0

4 years ago

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