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Anit [1.1K]
3 years ago
7

2(10−x)−14= plz help me <3

Mathematics
2 answers:
Mila [183]3 years ago
6 0

Hello!

<u><em>Answer: ⇒⇒⇒⇒ -2x+6</em></u>

Step-by-step explanation:

First expand.

2(10-x)

Apply the distributive law.

a=2, b=10, c=x

2*10-2x

Multiply by the numbers.

2*10=20

20-2x

=20-2x-14

Simplify.

Group like terms.

↓↓↓↓↓↓↓↓

-2x+20-14

Add and subtract by the numbers.

=-2x+6

=-2x+6

Hope this helps!

Thank you for posting your question at here on brainly.

Have a great day!

-Charlie


BartSMP [9]3 years ago
4 0

How to get answer:

\mathrm{Apply\:the\:distributive\:law}:\quad \:a\left(b-c\right)=ab-ac\\a=2,\:b=10,\:c=x\\=2\cdot \:10-2x\\\mathrm{Multiply\:the\:numbers:}\:2\cdot \:10=20\\=20-2x\\=20-2x-14\\Group\:like\:terms\\=-2x+20-14\\\mathrm{Add/Subtract\:the\:numbers:}\:20-14=6\\Answer: =-2x+6

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3 years ago
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Write 3.1405 x 10° in standard form
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Answer:

<em>3.1405</em>

Step-by-step explanation:

10^{0} = 1   ⇒ This is always the case

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3.1405 × 1 = 3.1405

3 0
3 years ago
I wanna pass this help me please-
Simora [160]

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Step-by-step explanation: hope this helps :)

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3 years ago
16 students are percussionist which is 20% of the students how many students are in band
11Alexandr11 [23.1K]

Answer:

80 Students are in the band class

Step-by-step explanation:

I did this mentally so sorry if it is bad

16 = 20%

+

16 = 20%

= 40% 32 students

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80 Students are in the band class

5 0
3 years ago
Find the second derivative y= x^2lnx
Dimas [21]
First we use product rule
y=x^2lnx
dy/dx = x^2 d/dx (lnx) + lnx d/dx (x^2)
dy/dx = x^2 (1/x) + lnx (2x)
dy/dx = x + 2xlnx

now taking second derivative:
d2y/dx2 = 1 + 2[x (1/x) + lnx (1)]
d2y/dx2 = 1 + 2[1+lnx]
         1+2+2lnx
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3 0
3 years ago
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