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3 years ago

8

Brandon wants to test drive a Lamborghini car and he needs the key. Each key ring has 6 keys. If there are 9 key rings, how many

keys are there in total?

1 answer:

Harrizon [31]3 years ago

6 0

Answer:

54 keys

Step-by-step explanation:

If there are 6 keys on each of the nine key rings, you times 6 by 9 to get 54.

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Order the number from least to greatest<br> -1.4,-3/5,9/2,0.9

Katarina [22]

Answer:

-3,-1.4/5,9/0.9,2

Step-by-step explanation:

8 0

2 years ago

Find the missing angle on a quadrilateral. Angle C equals 80 degrees, Angle D equals 90 degrees, and angle E equals 135 degrees.

padilas [110]

All quadrilateral angles have to add up to a total of 360°, so we just need to add the angles we already have and subtract that from 360.
135+90+80=305
360-305=55 so your answer is 55!

4 0

2 years ago

What is x if n≠m? Please help!

lorasvet [3.4K]

Answer: $x = \frac{mn(q - p)}{n-m}\\\\$

================================================

Work Shown:

Part 1

$\frac{x-m}{m} + p = \frac{x-n}{n} + q\\\\\frac{x-m}{m} - \frac{x-n}{n} = q - p\\\\\frac{n(x-m)}{mn} - \frac{m(x-n)}{mn} = q - p\\\\\frac{xn-mn}{mn} - \frac{xm-mn}{mn} = q - p\\\\\frac{xn-mn-(xm-mn)}{mn} = q - p\\\\$

Part 2

$\frac{xn-mn-xm+mn}{mn} = q - p\\\\\frac{xn-xm}{mn} = q - p\\\\\frac{x(n-m)}{mn} = q - p\\\\x(n-m) = mn(q - p)\\\\x = \frac{mn(q - p)}{n-m} \\\\$

-------------------------------

Explanations:

There are quite a bit of steps. I decided to break things into two parts.
The goal is to get x all by itself on its own side, which is why I subtracted (x-n)/n from both sides in part 1, step 2. I also subtracted p from both sides.
Afterward, I gave each fraction the LCD mn. I multiplied top and bottom of the first fraction by n/n. I did a similar operation to the second fraction, but with m instead.
From there, we distribute and simplify. The mn terms cancel on the left side numerator (second step of part 2).
The n≠m is there to prevent the denominator (n-m) from being zero. We cannot divide by zero.
If the formulas don't properly display, then you might have to refresh the page.

7 0

2 years ago

X² - 6x=7<br>x² - 6x = 7<br>(x-_) 2 = —<br>a<br>x - 3= =<br>x - 3= _and x - 3 = _

ankoles [38]

Answer:

Not possible

Step-by-step explanation:

To many equal signs!

6 0

3 years ago

A sports arena can hold 18500 people, plus or minus 1200 people. Write an absolute value equation to represent the number of peo

Whitepunk [10]

The solutions are only there if u need them

3 0

3 years ago