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Ilya [14]
3 years ago
10

Multiply (Apex)

Mathematics
1 answer:
Delvig [45]3 years ago
5 0
Answer: B

6x^4+5x^3-9x^2+2x
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Volume= 27cm3<br> Density =5 g/cm3<br> Mass=
Free_Kalibri [48]

Answer:

135g

Step-by-step explanation:

\boxed{mass = density \times volume}

Given: density= 5g/cm³, volume= 27cm³

Mass

= 5 ×27

= 135g

5 0
3 years ago
The personnel department of a large corporation wants to estimate the family dental expenses of its employees to determine the f
geniusboy [140]

Answer:

The answer is "266.5".

Step-by-step explanation:

Given value:

115, 370, 250, 93, 540, 225, 177, 425, 318, 182, 275, and\  228.

find:

Sample mean=?

=\frac{\text{total dental expenses}}{number \ of \ employees}

=\frac{115+370+250+93+540+ 225+ 177+ 425+ 318+ 182+ 275+228}{12}\\\\=\frac{3,198}{12}\\\\=266.5\\\\

7 0
3 years ago
A chef is going to use a mixture of two brands of Italian dressing. The first brand contains 9% vinegar, and the second brand co
pishuonlain [190]
Let the amount of the first brand be x, and let the amount of the second brand be y.
0.09x + 0.14y = 240 * 0.13 .................(1)
x + y = 240 ..............(2)
y = 240 - x .......................(3)
Plugging the value for y from equation (3) into equation (1), we get:
0.09x+0.14(240-x)=240\times0.13 ...............(4)
Equation (4) simplifies to:
-0.05x = -2.4
giving the value for the required amount of 9% vinegar as 48 ml and the required amount of 14% vinegar as 240 - 48 = 192 ml.
7 0
3 years ago
I need help with this math problem
Troyanec [42]

The exact answer is 12 root 2, but you can also say approximately 17.

I got this by finding the square root of 369, and then 81. After finding these values, you get the equation...

a^2 + 9^2 = 369

a^2 + 81 = 369

a^2 = 288

And then I just found the square root of 288

3 0
4 years ago
PLZ ANSWER<br> SCRENSHOT
german

Answer:

Marcelino will break even

Step-by-step explanation:

if he spends 45 dollars on profits, and sells each balloon for $1.50 then you multiply 30 balloons by 1.5 and that equals 45 dollars, so he will break even

7 0
3 years ago
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