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ipn [44]
3 years ago
11

CAN SOMEONE PLEASE HELP!!

Mathematics
1 answer:
yan [13]3 years ago
3 0
I think it is b I really don’t know for sure
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Rewrite, using the distributive
kodGreya [7K]
The distributive property is basically gonna be distributing the outside number among the inside numbers

Think of it like this instead: (3 • 2x) + (3 • 6)

Your answer for this would be 6x+18
Hope this helps!
7 0
2 years ago
Read 2 more answers
Daniel incorrectly solved the equations shown. Explain what he did wrong in each situation and then solve both equations correct
FrozenT [24]

Step-by-step explanation:

the scanned description is very hard to understand.

so I think what happened :

16x² - 9 = 16

then the first error :

sqrt(16x²) - sqrt(9) = sqrt(16)

that is wrong, as you cannot split a + or - operation inside a sqrt function into + or - separate sqrt results of the parts.

so, correctly, the only possible transformation involving sqrt for both sides :

sqrt(16x² - 9) = sqrt(16)

but it would be even easier to clean up the various constant numbers with each other.

so,

16x² - 9 = 16

16x² = 25

and now we trashes the square root

sqrt(16x²) = sqrt(25)

4x = 5

x = 5/4 or x = -5/4

and I cannot see or understand for my life what the second equation was, as Daniel did something wrong, so I cannot deduct the original equation out of a supposedly wrong

y³ - 1 = 7

3 0
3 years ago
What is the value of 3a – 2b + 2a, when a = 2 and b = 3?<br> A. 3<br> B. 4<br> C. 5<br> D. 6
Leno4ka [110]
Combine like terms.

3a + 2a = 5a

5a - 2b.

Plug in the values for a and b.

5(2) - 2(3)

10 - 6 = 4

Answer is B.
4 0
4 years ago
Read 2 more answers
38. What is the surface area of a conical grain storage tank that has a height of 62 meters and a diameter of 24 meters? Round t
svetoff [14.1K]
1. The surface area of a cone S is S= \pi  r^{2}+  \pi rl, where r is the radius of the base and l is the slant height.

2. The slant height l is found as follows:

l^{2}= OC^{2}+ OB^{2}
l^{2}= 12^{2}+ 62^{2}=144+3844=3988

l= \sqrt{3988}=63.15

3. 

A=\pi r^{2}+ \pi rl=3.14(12)^{2}+3.14*12*63.15&#10;
= 452.16+2379.492 =2831.652 ( m^{2} )

 = 452.16+2379.492 =2831.652 ( m^{2} )

4. The answer is C

8 0
3 years ago
Read 2 more answers
Can someone pleaseeee help and if you’re correct i’ll give brainliest
Alex73 [517]

Answer:i think is the fourth one or the fifth one.

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
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