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vladimir2022 [97]
3 years ago
11

3. 3(2x - 1) + 4 = 3 - 5(1 - x)​

Mathematics
2 answers:
yarga [219]3 years ago
8 0

Answer:

= -3

Step-by-step explanation:

Svetradugi [14.3K]3 years ago
4 0

Answer:

x = -3

Step-by-step explanation:

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 student found the slope of a line that passes through the points (1, 14)and (3, 4) to be 5. What mistake did she make?
vladimir2022 [97]
Y2-y1/x2-x1
(1,14) & (3,4)
y2= 4
y1=14
x2=3
x1=1

So....

(4-14)/(3-1) = -10/2 = -5

The answer should be negative instead of positive, she probably subtracted 4 from 14 instead.
5 0
3 years ago
If 9(x-9) = -11, then x= ? <br> A. - 92/9<br> B. -20/9 <br> C. - 11/9<br> D. -2/9<br> E. 70/9
miskamm [114]
The answer is x= -11/9
8 0
3 years ago
2x-3+8 <br> How many solutions will this equation have?
Olin [163]
Is there an answer to this equation such as 2x-3+8=4?
3 0
3 years ago
Read 2 more answers
Boy Girl
Lady bird [3.3K]
D should be the correct answer
7 0
3 years ago
How many elements are in the union of five sets if the sets contain 10,000 elements each, each pair of sets has 1000 common elem
masya89 [10]

Answer:

40951

Step-by-step explanation:

Using the principles of inclusion - Exclusion

Where C(n,r)=n!/(n-r)!r!

Total elements in the five sets including number repetition is given as (10000)×C(5, 1) =10000× 5!/(5-1)!1!=10000×5=50000

Total Number of elements in each pair including number repetition of sets is given as

=(1000) × C(5, 2) =10000

Number of elements in each triple of sets is given as

=(100) × C(5, 3) =1000

Number of elements in every four sets

=(10) × C(5, 4)=50

Number of elements in every one set

(1) × C(5, 5)=1

Therefore total number of unique elements=50000-10000+1000-50+1

=40951

5 0
3 years ago
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