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11Alexandr11 [23.1K]
3 years ago
9

Daca la dublul necunoscute adaugi acelas necunoscuta intreita vei obtine 485 gaseste necunoscuta.

Mathematics
1 answer:
Butoxors [25]3 years ago
8 0

Answer:

If you add the same unknown to the triple unknown you will get 485 finds unknown.

Step-by-step explanation:

Here try watching this:               https://www.khanacademy.org/math/algebra/x2f8bb11595b61c86:systems-of-equations/x2f8bb11595b61c86:systems-of-equations-word-problems/v/substitution-method-3

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What is greater than 40 but less than 20
Paladinen [302]
I've already been complemented twice on my previous answer, but then I discovered that I mis-read the question.  My entire original answer was wrong, and I have to delete it.

I don't believe that any number can satisfy both of those conditions.
I'll say the question has no answer.
3 0
3 years ago
Can someone help me please
Misha Larkins [42]

Answer:

x= 13, angle 1= 37, and angle 2= 53

Step-by-step explanation:

So you have 2x+11+1+4x=90 degrees

If you simplify it, it becomes 6x+12=90 degrees

Then, you rearrange; 6x=90-12 or 6x= 78

So then, x=13

For angle 1 its 2x+11= 37 degrees

And angle 2 is 1+4x= 53 degrees

7 0
3 years ago
7 over 2 as a mixed number ​
ivanzaharov [21]

Answer:

3 1/2

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
If AB = 13, BC = 9, and CA = 17, list the angles of ABC in order from smallest to largest.
svp [43]

Across the largest side is going to be largest angle, and across the smallest side -smallest angle.

Sides:

BC = 9 < AB = 13 < CA = 17.

Angles that are across sides: A < C < B.


Answer is d- A C B.

4 0
3 years ago
Please help me thanks please
Ludmilka [50]

Answer: 3234 cubic units

Step-by-step explanation:

Volume of cylinder: πr²h

The diameter of the cylinder is 14 units so the radius is 7 units.

Now we'll substitute.

π = 22/7

h = 21

πr²h

π × 7² × 21

22/7 × 49 × 21 = 3,234

The volume is 3,234 cubic units.

6 0
3 years ago
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