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3 years ago

15

What is the scale factor for this?

1 answer:

Alenkinab [10]3 years ago

3 0

SF = 5/2 = 2.5

answer is 5/2 or 2.5

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Solve this equation please

nalin [4]

Step-by-step explanation:

Number 1

$log_{10}( {x}^{2} - 3x + 12 ) = 1 \\ log_{10}( {x}^{2} - 3x + 12 ) = log_{10}(10) \\ cancelling \: both \: logs \: we \: have \\ {x}^{2} - 3x + 12 = 10 \\ {x}^{2} - 3x + 12 - 10 = 0 \\ {x}^{2} - 3x + 2 = 0 \\$

$solve \: \: by \: factorisation \: method \\ {x}^{2} - 2x - x + 2 \\ {x}(x - 2) \: - 1(x - 2) \\ (x - 2)(x - 1) \\ therefore \: x = 2 \: or \: x = 1$

Number 2

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3 years ago

Can someone help me please? Ill mark brainliest c:

Mashcka [7]

I don’t know the rest, but I think the 1st and 3rd ones are true! I hope this helps some, I’m sorry if it’s incorrect!

3 0

3 years ago

4x²+4x-24 step by step

kaheart [24]

Answer:

4(x-2)(x+3)

Factor a GCF from the expression, if possible.
Factor a Trinomial, if possible.
Factor a Difference Between Two Squares as many times as possible.

Please Mark Brainliest If This Helped!

4 0

2 years ago

Read 2 more answers

The circle below has center h. Suppose that

Mandarinka [93]

Write full questions is that....

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4 years ago

The vertex of this parabola is at (-2, 5). Which of the following could be it’s equation? A. Y=3(x+2)^2-5 B. Y=3(x-2)^2-5 C. Y=3

Mariulka [41]

Answer: C. $y=3(x+2)^{2} +5$

Step-by-step explanation:

1. You have the following equation of the parabola in Vertex form:

$y=a(x-h)^{2}+k$

Where h is the x-coordinate of the vextex and k is the y-coordinate of the vextex.

2. You know that the vertex of this parabola is at (-2, 5), then, susbtitute this point into the equation. Then, you obtain:

$y=3(x+2)^{2}+5$

3. Therefore, the answer is the option C.

5 0

3 years ago

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