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3 years ago

Solve the equation 3/y = 4/5

Mathematics

2 answers:

Alexeev081 [22]3 years ago

8 0

Answer:

15/4

Step-by-step explanation:

3/y=4/5

3=4/5(y)

3(5)=4y

15=4y

15/4=y

netineya [11]3 years ago

4 0

Step-by-step explanation:

<u>Step 1: Cross Multiply</u>

$\frac{3}{y} = \frac{4}{5}$

$5(3) = 4(y)$

$15 = 4y$

<u>Step 2: Divide both sides by 4</u>

$15 / 4 = 4y / 4$

$3.75 = y$

Answer: $y = 3.75$

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Evaluate each expression<br> 6! =<br> 3! • 2=<br> 31

Airida [17]

<h2><u>N-FACTORIAL!</u></h2>

<h3> $\mathbb{ \color{brown} \: PROBLEM } \: \: \bold{{ \color{brown}{1}}} :$ </h3>

$\mathcal{SOLUTION: }$

$\: \bold{ \red{6!}= 6×5×4×3×2×1= \boxed{ \bold{ \blue{720}}}}$

Therefore, <u>the value of 6! is 720</u>.

━┈─────────────────────┈━

<h3> $\mathbb{ \color{brown} \: PROBLEM } \: \: \bold{{ \color{brown}{2}}} :$ </h3>

$\mathcal{SOLUTION: }$

$\bold{3! \cdot 2! }\implies \bold{(3×2×1) \cdot( 2×1 )}$

$\: \: \: \: \: \: \: \: \: \: \: \: \implies \: \bold{ 6 \times 2} = \boxed{ \bold{ \blue{12}}}$

Therefore, <u>the value of the given expression is 12.</u>

━┈─────────────────────┈━

<h3><u>EXPLANATION</u><u>:</u></h3>

The mathematical symbol n! is read as "n factorial". The exclamation point "!" is read as factorial. And please remember or take note that 0! is equal to 1, and 1! is also equal to 1.

_______________∞_______________

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2 years ago

A student claims that x=3 and 2+3i are the zeros of a quadratic function. Explain why this is incorrect

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Answer:

Because it's not a quadratic function.

Step-by-step explanation:

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3 years ago

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Answer:

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Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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Step-by-step explanation:

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