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3 years ago

1. Which fractions are equivalent to 25/45?

Mathematics

2 answers:

Bingel [31]3 years ago

6 0

1. C 2. B 3. C 4. D 5. B 6. A

Mamont248 [21]3 years ago

3 0

Answer: 1. C, 2. B, 3. C, 4. C, 5. B, 6. B

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How many solutions are there for the system shown below?<br> 2x² + y2 = 33<br> x2 + y + 2y=19

Doss [256]

Answer:2 max because exponet

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3 years ago

For the function f(x)= 1/x+1. which of these could be a value f(x) when x is close to -1

WITCHER [35]

Given the following question:

$f(x)=\frac{1}{x+1}$

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1 year ago

Four times a number is the same as the difference of three times a number and four find the number round your answer to the near

maksim [4K]

Answer:

Step-by-step explanation:

Its four because:

4 x 3 = 12

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Four times times three plus four is like saying four times four.

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3 years ago

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If y-3x=9, 7x+y=25, what is the value of x and y?

lianna [129]

$\bold{\rm{Given}}\text{ : If y - 3x = 9, 7x + y = 25, what is the value of x and y}?$

$\bold{\rm{Solution}} \text{: We'll solve this by substitution method}$

$\dashrightarrow y - 3x = 9 \\ \\ \dashrightarrow \boxed{y = 9 + 3x } \qquad .. \sf eq(1)$

$\text{we got the value of y now getting the value of x}$

$\looparrowright 7x + y = 25 \\ \\ \looparrowright 7x = 25 - y \\ \\ \looparrowright \boxed{x = \frac{25 - y}{7}} \qquad .. \sf eq(2)$

$\text{Now, putting y = 9 + 3x in eq(2)}$

$\hookrightarrow x = \frac{25 - y}{7} \\ \\ \hookrightarrow x = \frac{25 - 9 + 3x}{7} \\ \\ \hookrightarrow 7x = 25 - 9 + 3x \\ \\ \hookrightarrow 7x - 3x = 16 \\ \\ \hookrightarrow 4x = 16 \\ \\ \hookrightarrow x = \frac{16}{4} \\ \\ \star \quad \boxed{ \green{ \frak{ x = 4}}}$

$\text{Now we know the value of x, for getting y we need to put x in eq(1)}$

$: \implies y = 9 + 3x \\ \\ : \implies y = 9 + 3(4) \\ \\ : \implies y = 9 + 12 \\ \\ \star \quad \boxed{\frak{ \green{y = 21}}}$

$\text{Hence, values of x and y are} \: \frak{ \green{4}} \: \text{and} \: \frak{ \green{21}} \: \text{respectively}.$

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2 years ago

The Greek alphabet contains 24 letters. How many fraternity names with Greek letters can be formed if each fraternity name conta

Ulleksa [173]

A fraternity name formed by two letters would have 24 choices for the first letter, and 24 choices for the second, therefore 24*24=576 is the correct answer.

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3 years ago

Read 2 more answers