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andreyandreev [35.5K]
3 years ago
11

Simplify the expression and explain each step 4(3×+2)-2

Mathematics
2 answers:
kirill [66]3 years ago
7 0

4(3×+2)-2

distribute

12x +8 -2

combine like terms

12x+6

Novay_Z [31]3 years ago
5 0
12x + 8 - 2

Distribute

12x+6

Combine Like Terms
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Please explain thank you
mixas84 [53]
Okjhgfdfghjjhgfdfghjhgfdfghjsdfghjkhgfdsfghjrhrthrthtj
6 0
2 years ago
My number has a tens digit that is right more than the ones digit. Zero is not one of my digits. What is the 2 digit number that
Helen [10]
If right is supposed to be eight then answer is 81
3 0
3 years ago
the pie factory sells an apple pie with a diameter of 16 in. for $10.99. What's the approximate cost per square inch of surface
AURORKA [14]
I'm going to assume the crust covered by the dosenot matter because the total surface area cannot be found without the depth of the pie.

So the surface are is the area of the top of the pie, the top of the pie is circular and is equal to 2\pir²

The diameter is the sum of 2 radii, hence r=8

D=12
  = 2r =12
r=8

With the raduis the area can be found
A= 2\pir²
A=2\pi8² 
A=2(64)\pi
A=128\pi

If the pie cost 10.99, the cost per inch can be found by dividing the area by cost

cost/inch =128 \pi/10.99
cost/inch =11.64\pi
               = 11.64(3.14)
               = 36.57

The pie costs 36 cents per square inch
5 0
3 years ago
6. If F(x) = -6(2x2 + 5x) - 9, what is the value of F(-4)?
Soloha48 [4]

Answer:

-81

Step-by-step explanation:

-6(2x² + 5x) - 9

substitute -4 for 'x'

-6[2(-4)² + 5(-4)] - 9

-6[2(16) + (-20) - 9]

-6(32 - 20) - 9

-6(12) - 9

-72 - 9 = -81

5 0
2 years ago
Someone help me with question #1 plzz
Oliga [24]

Answer:

x = 8 units

Step-by-step explanation:

Note that the ratio of the middle-length legs is 12/18, and that of the shortest-length legs is x/12.

Then:

12        x

----- = -----

18       12

... which, through cross- multiplication, becomes 18x = 144.  Then x = 8 units

6 0
3 years ago
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