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2 years ago

What is the distance between (-6,4) and (-8, 6)?

Mathematics

1 answer:

Tatiana [17]2 years ago

8 0

Answer:

$\sqrt{8}=2\sqrt{2}$

Step-by-step explanation:

by using well known formula, distance on XOY plane

$\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}\\=\sqrt{(-8-(-6))^2+(6-4)^2}\\=\sqrt{(-2)^2+(2)^2}$

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What happens to the value?

Fiesta28 [93]

Answer:

D.) c is multiplied by 4

Step-by-step explanation:

$c = \dfrac{8a^3}{b}$

If a is doubled, it becomes 2a. If b is doubled, it becomes 2b. Now we replace a with 2a and b with 2b and simplify.

$c = \dfrac{8(2a)^3}{2b}$

$c = \dfrac{8 \times 8a^3}{2b}$

$c = \dfrac{4 \times 8a^3}{b}$

$c = 4 \times \dfrac{8a^3}{b}$

Answer: D.) c is multiplied by 4

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2 years ago

Can you help me with this please. Please show your work. Thx in advance

pentagon [3]

That is correct I think it is

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3 years ago

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What is the sum of the first 40 odd integers greater than zero?

marusya05 [52]

The answer you are looking for is 339

5 0

3 years ago

Solve the inequality and show your solution on a number line: −4x≥−1

kiruha [24]

*To solve an inequality, it's the same as solving an equation; isolate the variable to one side.

For this, all you need to do is divide both sides by -4. And since we are dividing by a negative, flip the inequality sign and your inequality is $x\leq\frac{1}{4}$

Now to graph this. Since x can be "equal to" 1/4 ( ≤ = less than or equal to), you will have a closed circle on 1/4. And since x can also be "less than" 1/4, the arrow will be going to the left of 1/4.

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2 years ago

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2x + y = −3 −2y = 6 + 4x Write each equation in slope-intercept form.

Zanzabum

slope intercept form is y=mx+b

so solve for y

2x+y=-3

minus 2x both sides

y=-2x-3

-2y=6+4x

divide both sides by -2

y=-3-2x

y=-2x-3

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2 years ago