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FinnZ [79.3K]
3 years ago
9

Does the expression 3(3x+2)+4+2x simplify to 11x+10

Mathematics
1 answer:
Allushta [10]3 years ago
6 0

Answer:

Yes

Step-by-step explanation:

3(3x+2)=9x+6

9x+2x=11x

6+4=10

11x+10

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This is super hard i needd help
natta225 [31]

Answer:

2587mm^3 approx!

Step-by-step explanation:

first you divide the nut into 6 part(in triangle now, by joining centre to each edge)

let's take one part of the triangular shape then area of that part can be found by using 1/2×base×height

i.e, 1/2×13×15=97.5(mm^2)

now when we consider depth of that traingular part,we will get volume of that part as area×depth

i.e, 97.5×6=585(mm^3)

now volume of all the 6 triangular part is 585×6=3510(in mm^3)

now take circular cavity in consideration, it's volume will be π(7^2)6=923(mm^3) approximately

now reqired volume will be volume of that hexagonal part minus that of circular cavity

=3510-923

=2587mm^3

✌️

5 0
3 years ago
Which ordered pair is in the solution set of 6x + 4y ≤ −2?
Nutka1998 [239]

Answer:

x≤ −2/3y + −1/3

Step-by-step explanation:

because...

Step 1: Add -4y to both sides.

6x + 4y + −4y ≤ −2+−4y

6x ≤ −4y −2

Step 2: Divide both sides by 6.

6x/6 ≤ \frac{-4y-2}{6}

x ≤ −2/3y + −1/3

Therefor, the answer is x≤ −2/3y + −1/3

* Hopefully this helps:) Mark me the brainliest:)!!

4 0
3 years ago
Mr. Smith gave a cashier a $50 bills for a purchase of $38.70. The cashier gave him a $10 dollar bill, two $1 bills and three di
Aleksandr-060686 [28]

Answer

no he gave him a dollar extra. if his total is 38.70 and gave 50 if you subtract it would be 11.30 not 12.30

Step-by-step explanation:

4 0
3 years ago
Identify the roots of -3x^3-21x^2+72x+540=0State the multiplicity of each root.
Kryger [21]
It took me awhile, but using the Rational Root Theorem and then synthetic division I got the first root.  If you don't know the RRT you'll be in heaps of trouble doing this type of problem.  I found the first root to be (x+6), then I did it again and got another root of (x+6) and the third one was (x-5).  So the roots of this polynomial (and there are 3 because this is a 3rd degree polynomial) are (x+6) with a multiplicity of 2, and (x-5).
3 0
3 years ago
Evaluate -1-(-z) when z=-2
FrozenT [24]

Answer:

the answer is 1.

Step-by-step explanation:

=−1−(−2)

=−1+2

=1

7 0
3 years ago
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