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Afina-wow [57]
3 years ago
8

What is the following product?

Mathematics
1 answer:
IrinaK [193]3 years ago
4 0

Answer:

mathamistics and im not smart order of operations

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What is the x of 2/3x squared minus 6x plus 15
iogann1982 [59]
(2/3)x^2 -6x + 15 = 0
Using the quadratic formula:
x = [-b +-sq root(b^2 - 4 *a*c)] / 2a
x= [--6 +-sq root(36 -4*(2/3)*15] / 2*(2/3)
x= [6 +-sq root 36 -40] / (4/3)

x1 = 4.5 + (2i / (4/3))
x1 = 4.5 + 1.5i
x2 = 4.5 - (2i / (4/3))
x2 = 4.5 - 1.5i




4 0
3 years ago
42 is 30% of what number??? Add work plz
romanna [79]
X - the number

30\% x =42 \\
\frac{30}{100}x=42 \\
\frac{3}{10}x=42 \\
x=42 \times \frac{10}{3} \\
x=\frac{420}{3} \\
x=140

42 is 30% of 140.
7 0
3 years ago
Select the 2 common denominators for 1/4 and 7/10 .
irina [24]

Answer:

B) 20 and E) 40

Step-by-step explanation:

4 = 2*2= 2²

10=2*5

Common denominators = 2²*5=4*5=20

20,40

5 0
3 years ago
Describe, with examples of your own, when you would use long division and synthetic division and how to check polynomial divisio
Cerrena [4.2K]
Divide by linear factor
 
3 0
2 years ago
EXPERT HELP I'LL GIVE BRAINLIEST:
ICE Princess25 [194]

Answer:

990, C

Step-by-step explanation:

The formula for the surface area of the bottom cushion is

A = 2wl + 2lh + 2hw (w is width, l is length, h is height)

w = 18, l = 21, h = 3

A = 2(18)(21) + 2(21)(3) + 2(3)(18)

A = 2(378) + 2(63) + 2(54)

A = 756 + 126 + 108

A = 990 (C)

5 0
3 years ago
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