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Alja [10]
3 years ago
12

Need your help Plz help me

Mathematics
2 answers:
weqwewe [10]3 years ago
8 0

Answer:

C. -0.6

Step-by-step explanation:

-2.1-x=-1.5

-x=0.6

x=-0.6

34kurt3 years ago
5 0

Answer:

c

Step-by-step explanation:

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How many ways can a 2 person subcommittee be selected from a comittee of 6 people?
BaLLatris [955]

Answer: 15 ways

Step-by-step explanation: 5+4+3+2 + 1 = 15

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2 years ago
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Justity each step in solving the equation 4x = 7(x - 3) by writing a reason for each statement Answer Statement Reason 1. 4x7x3)
NemiM [27]

Answer:

2. 4x = 7x - 21

Step-by-step explanation:

4x = 7(x - 3) \\ 4x = 7x - 21 \\ 21 = 7x  - 4x \\ 21 = 3x \\  \frac{21}{3}  = x \\ 7 = x \\

4 0
3 years ago
Can anyone help me on this please?
rjkz [21]
\dfrac{4a^3b^2+2a^2b^2+3ab}{ab}=\dfrac{4a^3b^2}{ab}+\dfrac{2a^2b^2}{ab}+\dfrac{3ab}{ab}=4a^2b+2ab+3
8 0
2 years ago
What is the least common multiple of 9 3 and 12​
julsineya [31]

Answer:

36

Step-by-step explanation:

9 x 4 = 36

3 x 12 = 36

12 x 3 = 36

3 0
2 years ago
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What is the maximum volume in cubic inches of an open box to be made from a 12-inch by 16-inch piece of cardboard by cutting out
Romashka-Z-Leto [24]

If you start with a 12x16 rectangle and cut square with side length x, when you bend the sides you'll have an inner rectangle with sides 12-2x and 16-2x, and a height of x.

So, the volume will be given by the product of the dimensions, i.e.

(12-2x)(16-2x)x = 4x^3-56x^2+192x

The derivative of this function is

12x^2-112x+192

and it equals zero if and only if

12x^2-112x+192=0 \iff x = \dfrac{14\pm 2\sqrt{13}}{3}

If we evaluate the volume function at these points, we have

f\left(\dfrac{14-2\sqrt{13}}{3}\right) = \dfrac{64}{27}(35+13\sqrt{13})> f\left(\dfrac{14-2\sqrt{13}}{3}\right) = -\dfrac{64}{27}(13\sqrt{13}-35)

So, the maximum volume is given if you cut a square with side length

x=\dfrac{14-2\sqrt{13}}{3}\approx 2.7

5 0
3 years ago
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