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Anna007 [38]
3 years ago
13

Solve the equation for all values of x by completing the square. x² – 18x= -66

Mathematics
1 answer:
valkas [14]3 years ago
4 0

Answer:

x=12.87298334

Step-by-step explanation:

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If an object has a mass of 15 g and a volume of 3 mL what is its density
Annette [7]

Answer:

Given the mass of the object = 15g

Given the volume of the object = 3 mL

Density = ?

Step-by-step explanation:

We have two values of an object that is mass of the object and volume of the object. Now we are required to find the Density of the object. In order to find the density of the object, we have to divide the given mass with the given volume. Below is the calculation of the density.

Density = Mass / Volume

Density = 15g / 3 mL

Density = 5 g/ml

7 0
3 years ago
PLEASE EXPLAIN AND HELP WILL MARK BRAINLIEST
vagabundo [1.1K]

Answer:

I dunno this one, u should

Step-by-step explanation:

5 0
3 years ago
(08.05)theresa earned scores of 88 points, 84 points, 88 points, and 91 points on four tests. what is the lowest score she can g
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99 because anything less will give you an average of 89 and a decimal 

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Two young sumo wrestlers decided to go on a special diet to gain weight rapidly. They each gained weight at a constant rate.
KatRina [158]
Gskwkwbsnakqcaahbdnakabsbzhz
8 0
3 years ago
A stack of 9 different cards are shuffled and spread out face down. If 4 cards are tired face up, how many different 4-card comb
Juliette [100K]

Answer:

126.

Step-by-step explanation:

This is the number of combinations of 4 cards  from 9 cards:

= 9C4

= 9! / 4! 5!.

A quick way of calculating this is  

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----------- =   9*2*7   =    126 combinations.

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