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AleksandrR [38]
3 years ago
5

Estimate the solution of the system of equations

Mathematics
2 answers:
storchak [24]3 years ago
8 0

Answer:

I solved by substitution...

Step-by-step explanation:

DochEvi [55]3 years ago
5 0

Answer:

Around (1.5,-4) because the two lines intersect around there

Step-by-step explanation:

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8/x=14/7 what does x equal
Veronika [31]

Answer:

when you have two fractions that equal each other you want to solve by using cross multiply

What cross multiply is, is when you multiply diagonally so:

8/x=14/7

you would take 14*x and 8*7

14x=56 (you would then divide each side by 14)

x=4 (14/14=1, 56/14=4)

8/4=14/7

To check your work you could simplify

8/4=2

14/7=2

2=2, which is true

x=4

Hope this helps ;)

6 0
3 years ago
Solve 2x+6 ≤ 10 or 2x + 8 > 20.
Firlakuza [10]

Answer:

<h2>A. x ≤2 or x>6</h2>

Step-by-step explanation:

2x+6 ≤ 10  or  2x + 8 > 20

⇔ 2x ≤ 4  or  2x > 12

⇔ x ≤ 2  or  x > 6

6 0
2 years ago
Explain why the exponents cannot be added in the product 12^3x11^3
frez [133]

Answer:

Step-by-step explanation:

Because 12 and 11 are not the same number it could be added it it were 11^3 and 11^4. But in this case it cannot.

4 0
2 years ago
Read 2 more answers
What features do plant cells have on common with animal cells
Marat540 [252]

Answer:

Animal cells and plant cells share the common components of a nucleus, cytoplasm, mitochondria and a cell membrane. Plant cells have three extra components, a vacuole, chloroplast and a cell wall.

8 0
2 years ago
Read 2 more answers
Justin worked 2 2/3 hours on thursday and 6 3/4 hours on friday. how many hours combined
yaroslaw [1]

Answer:

9 5/12

Step-by-step explanation:

2 2/3 + 6 3/4

find a  common denomenator. For 3 and 4, it would be 12.

2 8/12 + 6 9/12

add

8 17/12

12 goes into 17 one time, with 5 left over

9 5/12

7 0
3 years ago
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