1 year ago

2. Write each of the following in set builder form. A = [5, 10, 15,20]

Mathematics

1 answer:

Virty [35]1 year ago

4 0

Answer:

A={x:x is a multiple of five }

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Can somebody please help with these two questions?

Nitella [24]

Answer:

#3: x is approximately 0.37, -5.37, #4: x is approximately 4.19, -1.19

Step-by-step explanation:

You can solve using the quadratic equation or by solving with the perfect square

$\frac{-b+/-\sqrt{b^{2}-4ac} }{2a}$ = $x^{2}+5x-2=0\\ \frac{-5+/-\sqrt{5^{2}-4(1)(-2) }}{2(1)}$

x is approximately 0.37, -5.37

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2 years ago

Write the equation 2x - 3y = 6 in slope-intercept form.

ExtremeBDS [4]

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$y = \frac{ 2}{ 3} x - 2$

Step-by-step explanation:

$2x - 3y = 6 \\ - 3y = - 2x + 6 \\ \\ y = \frac{ - 2}{ - 3} x + \frac{6}{ - 3} \\ \\ \huge \purple{ \boxed{ y = \frac{ 2}{ 3} x - 2}} \\ this \: is \: in \: the \: slope - intercept \: form.$

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X^2 + y^2=40 and y=x-4 solve this simultaneous equation

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Write x-4 instead of y.
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for x=6, y=6-4 = 2
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2 years ago

») Which number sentence is true? A 0.35 > 6 7 B, 0.35 <- 6 7

Lady_Fox [76]

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1 year ago

2. Write each of the following in set builder form. A = [5, 10, 15,20]​

2. Write each of the following in set builder form. A = [5, 10, 15,20]