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GaryK [48]
4 years ago
13

What does 2 (x+6) + 3x + 4 =

Mathematics
1 answer:
Elena L [17]4 years ago
7 0

Answer:

5x +16

Step-by-step explanation:

2 (x+6) + 3x + 4

Distribute the 2

2x+12 +3x +4

Combine like terms

2x+3x   +12 +4

5x +16

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gregori [183]

check the picture below.


make sure your calculator is in Degree mode.

7 0
4 years ago
Whats 4.19% as a decimal.
nika2105 [10]
4.19% = .0419

When percent to decimal, move the decimal two to the left.

When decimal to percent, move the decimal two to the right. Good luck!
3 0
4 years ago
Read 2 more answers
A fish tank is 3 feet by 4 feet by 5 feet. How many galoons of water will it hold? A cubic foot of water is 7.5 gallons.
likoan [24]

Answer: 8 gallons of water.

Step-by-step explanation:

3 x 4 x 5 = 60.

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6 0
4 years ago
The blood platelet counts of a group of women have a​ bell-shaped distribution with a mean of 256.3 and a standard deviation of
AnnyKZ [126]

Answer:

a) In the interval  (  55,9  ;   456,7 ) we will find 99,7 % of all values

b) In the interval  (  122,7  ;  389,9 ) we find 95,4 % of all values

Step-by-step explanation:

For a Normal distribution N (μ ; σ ) the Empirical rule establishes that the intervals:

( μ  ±  σ  )          contains 68,3 % of all values

( μ  ±  2σ  )        contains 95,4 % of all values

( μ  ±  3σ  )        contains 99,7 % of all values

If   N ( 256,3 ; 66,8 )

σ  =  66,8        ⇒   3*σ  = 3 * 66,8  = 200,4

Then:     256,3 - 200,4  =  55,9

And        256,3 + 200,4 = 456,7

a) In the interval  (  55,9  ;   456,7 ) we will find 99,7 % of all values

b) 2*σ  = 2 * 66,8  = 133,6

Then  256,3 - 133,6  = 122,7

And    256,3 + 133,6 = 389,90

Then in the interval  (  122,7  ;  389,9 ) we find 95,4 % of all values

4 0
3 years ago
Building an A - frame dog house. Your club has decided to build and sell dog houses for a fundraising project. You found this do
mr Goodwill [35]
Turn everything into decimal form, then divide by 2.
To turn into decimal divide the numerator by the denominator, and leave the whole number as it is.
For slide 1

45.4/2=22.6

For side 2

Gusset plate is 1....
take 5.75 and divide it by 2 =2.875
Take 3.333/2 = 1.6665
Corner of side is 1 and 1 inch thick

for side 3
37.4 divided by 2 = 18.7
3 0
4 years ago
Read 2 more answers
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