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2 years ago

What is the reciprocal of 5 6/7 ?

Mathematics

1 answer:

miv72 [106K]2 years ago

8 0

It’s 0.170 that’s rounded

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NEEDs HELP AB ⊥ AC true or false idk i think it's false

jonny [76]

Perpendicular means the slopes are opposite inverse of each other
If line a is slope 2, the perpendicular line to Line a would have a slope - 1/2
Difference in y over difference in x gives slope. If they are opposite inverse values the lines are perpendicular. ( in this case the answer is true.)

4 0

3 years ago

Q(a+1) - 2q(a) if q(x) = x²+3x+4

siniylev [52]

$q(x) = {x}^{2} + 3x + 4$

_________________________________

Step(1)

To find q(a) we just need to put a instead of x in q(x) function.

Let's do it...

$q(a) = {a}^{2} + 3a + 4$

Multiply sides by -2 :

$- 2q(a) = - 2( {a}^{2} + 3a + 4)$

$- 2q(a) = - 2 {a}^{2} - 6a - 8$

_________________________________

Step (2)

To find q(a+1) we just need to put a+1 instead of x in q(x) function.

Let's do it...

$q(a + 1) = ({a + 1})^{2} + 3(a + 1) + 4 \\$

$q(a + 1) = {a}^{2} + 2a + 1 + 3a + 3 + 4 \\$

$q(a + 1) = {a}^{2} + 5a + 8$

_________________________________

Step (3)

$q(a + 1) - 2q(a) =$

${a}^{2} + 5a + 8 - 2 {a}^{2} - 6a - 8 = \\$

$- {a}^{2} - a = - a(a + 1)$

And we're done.

Thanks for watching buddy good luck.

♥️♥️♥️♥️♥️

8 0

3 years ago

-4/9 * -5/8 I really want to know the answer home work is due and I need a explanation

lilavasa [31]

-4/9 times -5/8 you can cross cancel the 4 and 8 so it makes the problem -1/9 times -5/2 which equals -5/18

4 0

3 years ago

<img src="https://tex.z-dn.net/?f=%20%5Cfrac%7B%20-%202.68%20-%203.57%7D%7B%28%20-%2012.5%20%5Ctimes%200.4%29%7D%20" id="TexForm

Maslowich

Answer:

The answer is 0.125

Step-by-step explanation:

-2.68 - 3.57 ÷ (-12.5 × 4)

-6.25 ÷ (-50)

6.25 ÷ 50 = 0.125

Thus, The answer is 0.125

-TheUnknownScientist

4 0

3 years ago

Read 2 more answers

A bicycle has a listed price of $724.95 before tax. If the sales tax rate is 6.25%, find the total cost of the bicycle with sale

mash [69]

How to solve the equation Multiply the cost of an item or service by the sales tax in order to find out the total cost. The equation looks like this: Item or service cost x sales tax (in decimal form) = total sales tax. Add the total sales tax to the Item or service cost to get your total cost.

I’m sorry if this is wrong but it’s either

115.992 or 45.0089

7 0

3 years ago