2 years ago

I don't understand this

Mathematics

1 answer:

Mamont248 [21]2 years ago

4 0

Answer:

you have to use graph to make it bro

Step-by-step explanation:

hope it will help you

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8 . y = 3x - 2 m= b=

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Answer:

m is 3 since it's the slope and b is -2 since its the y-intercept

Step-by-step explanation:

the formula is y=mx+b so 3 is in the m spot and -2 is in the b spot.

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Which point could represent 5 3 ?

Fittoniya [83]

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3.Which value of x makes the equation 1.25(4x − 10) = 7.5 true?

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Answer:

x=4

Step-by-step explanation:

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From delta math: Subtract -2x^2 + 3x - 9 from 8x^2 + 10x - 10

Leto [7]

Answer:

$10x^2 + 7x - 1$

Step-by-step explanation:

Step 1: Build the expression in numerical form.

$(8x^2 +10x - 10) - (-2x^2 + 3x - 9)$

Step 2: Distribute the negative sign.

$8x^2 +10x -10 + (-1)(-2x^2) + (-1)(3x) + (-1)(-9)$
$8x^2 + 10x - 10 + 2x^2 + (-3x) + 9$

Step 3: Combine like terms.

$(8x^2 +2x^2) + (10x -3x) + (-10+9)$
$10x^2 +7x -1$

Therefore, the answer is $10x^2 + 7x -1$ .

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1 year ago

I don't understand this ​

I don't understand this