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3 years ago

1.) Simplity - 2(4m - 7)

Mathematics

2 answers:

Len [333]3 years ago

8 0

Answer:jkbknknkjnkjnjknkjn

chickenn good

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Step-by-step explanation:

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AleksAgata [21]3 years ago

4 0

Just use the distributive property!! pls give me brainliest if possible!

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What type of association does the scatter plot show? <br>

guajiro [1.7K]

Answer:

Negative

Step-by-step explanation:

(if it's going downwards = negative)

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2 years ago

12, 17, 11, 13, 17, 15<br> What is the mean of the data?

garri49 [273]

Step-by-step explanation:

The mean is the average. Add up all the points, then divide by the number of points.

(12 + 17 + 11 + 13 + 17 + 15) / 6 = 14⅙

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3 years ago

Read 2 more answers

Find the rate of 250mm to 75cm

Kruka [31]

If you’re looking for the ratio:

75cm = 750mm

250:750
1:3

The answer is 1:3

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2 years ago

Write a linear equation that passes through the two points (-6, -7) and (3, -4).

Phantasy [73]

linear equation that passes through the two points (-6, -7) and (3, -4) is $y=\frac{1}{3}x-5$

Step-by-step explanation:

We need to write the equation that passes through the two points (-6, -7) and (3, -4).

The equation can be written is point slope form.

The standard form of point slope equation is:

$y=mx+b$

where m is the slope and b is the y-intercept

Finding slope m:

Slope can be found by using formula:

$slope = \frac{y_{2}-y_{1}}{x{2}-x_{1}} \\Where\,\, y_{2}=-4,y_{1}=-7,x{2}=3,x_{1}=-6\\slope =\frac{-4-(-7)}{3-(-6)}\\slope=\frac{-4+7}{3+6}\\slope=\frac{3}{9}\\slope=\frac{1}{3}$

So, slope is $\frac{1}{3}$

Now finding y-intercept b

Putting slope $\frac{1}{3}$ and point(-6,-7)

$y=mx+b\\x=-6,y=-7,m=\frac{1}{3} \\-7=\frac{1}{3}(-6)+b\\-7=-2+b\\b=-7+2\\b=-5$

So, value of b is -5

Putting values to find the equation:

$y=mx+b\\m=\frac{1}{3} and b=-5\\y=\frac{1}{3}x-5$

So, linear equation that passes through the two points (-6, -7) and (3, -4) is $y=\frac{1}{3}x-5$

Keywords: Linear Equation,

Learn more about Linear Equation at:

#learnwithBrainly

5 0

3 years ago

What is the factored form of 16x2 – 16x – 12?

crimeas [40]

Q1. The answer is 4(2x - 3)(2x + 1)

16x² – 16x – 12 = 4 * 4x² - 4 * 4x - 4 * 3 =
= 4(4x² - 4x - 3) =
= 4(4x² + 2x - 6x - 3) =
= 4(2x * 2x + 2x - (2x * 3 + 3)) =
= 4(2x(2x + 1) - (3(2x + 1))) =
= 4((2x + 1)(2x - 3)) =
= 4(2x - 3)(2x + 1)

Q2. The answer is 3(x + 8)(x - 1)

3x² + 21x – 24 = 3 * x² + 3 * 7x - 3 * 8 =
= 3(x² + 7x - 8) =
= 3(x *x - x + 8x - 8) =
= 3((x(x - 1) + 8(x - 1)) =
= 3(x + 8)(x - 1)

8 0

3 years ago