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Veronika [31]
3 years ago
5

(−3.5x+7)−(5.3x−4) plz help

Mathematics
1 answer:
mojhsa [17]3 years ago
3 0
First you need to distribute the negative to 5,3x and -4 now you have this:
-3.5x+7-5.3x +4     rearrange and combine like terms (matching x's with x's etc.)
-3,5x -5.3x +7+4 
-8.8x +11              your final answer there are no more like terms that you can                                        combine.
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SIMPLIFY<br> 2x + 9 - 0.74x + 2.24
Tatiana [17]
Simplest form add all like things 1.26x+ 11.24
4 0
2 years ago
Write a mixed number that is equivalent to 16/3.
mars1129 [50]
A mixed number is an integer--whole number--in front of a fraction. To calculate this, you have to divide the numerator by the denominator and put the remainder over the denominator. 

Since 3 goes into 16 wholly 5 <em />times with 1 left over, 16/3 = 5 1/3.

Hope this helps!
3 0
3 years ago
Read 2 more answers
Help I don’t know the answer
pogonyaev
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7 0
3 years ago
Exercise questions
balu736 [363]

Answer:

2.

a)1

b)1

c)1

Step-by-step explanation:

There's some identity trigonometric equation, which are valid for all angles,and they doesn't depends on the measure of angle!

some of em are follows:. (x is the given angle)

  • sin(x)^2+cos(x)^2=1
  • cosec(x)^2=1+cot(x)^2
  • sec(x)^2=1+tan(x)^2

You can remember these identity, its gonna help alot.

now back to question,. {x is representing angles)

for (a) sin(x)^2+cos(x)^2=1, this is true for all x, dat means that for all the angle given in question(for ,15°,30°,45°,60° and 120°),we will get 1

for(b) ,

cosec(x)^2=1+cot(x)^2

i.e, cosec(x)^2-cot(x)^2=1, again this is true for all x dat means that for all the angle given in question ,we will get 1

for (c),

sec(x)^2=1+tan(x)^2

i.e,sec(x)^2-tan(x)^2=1,again this is true for all x, dat means that for all the angle given in question ,we will get 1

✌️:)

3 0
2 years ago
5-2(x+5)=3x-15 solve for X
Maslowich

Answer:

x= 2

Step-by-step explanation:

5 -2(x +5)= 3x -15

Expand:

5 -2x -2(5)= 3x -15

5 -2x -10= 3x -15

Simplify:

-2x -5= 3x -15

Bring x terms to 1 side, constant to the other:

3x +2x= 15 -5

5x= 10

Divide both sides by 5:

x= 10 ÷5

x= 2

8 0
3 years ago
Read 2 more answers
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