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Lubov Fominskaja [6]
3 years ago
7

Help please ASAP hsksbeishehsodb

Mathematics
2 answers:
VikaD [51]3 years ago
7 0

Answer:

D

Step-by-step explanation:

marishachu [46]3 years ago
4 0

Answer:

Experimental prob

Step-by-step explanation:

Experimental means you actually did it thats why its called experimental.

Theoretical means a guess in the future

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bonufazy [111]

Answer:

54 in

Step-by-step explanation:

because 6 times 5 is 30 plus 4 times 6 is 24 equals 54

7 0
3 years ago
2n+7+7n=13+3n+8n <br><br><br>please help
Rasek [7]

first combine like terms so 2n + 7n which is 9n


so 9n + 7 = 13 + 3n + 8n


then combine on other side so 9n + 7 = 13 + 11n

then subtract 7 to 13 so 6

sp 9n + 6 = 11n

then subtract 9 to the other side so 2n


6 = 2n then divide all by 2

n= 3

3 0
3 years ago
Read 2 more answers
14. Solve: 3x² + 5x – 12 = 0<br>B. 4-3<br>C. 8, - 18​
VARVARA [1.3K]

Answer:

b

Step-by-step explanation:

The equation:

3

x

2

−

5

x

−

12

=

0

is in the form:

a

x

2

+

b

x

+

c

=

0

with  

a

=

3

,  

b

=

−

5

,  

c

=

−

12

The roots are given by the quadratic formula:

x

=

−

b

±

√

b

2

−

4

a

c

2

a

x

=

5

±

√

(

−

5

)

2

−

4

(

3

)

(

−

12

)

2

(

3

)

x

=

5

±

√

25

+

144

6

x

=

5

±

√

169

6

x

=

5

±

13

6

That is:

x

=

5

+

13

6

=

18

6

=

3

 

or  

 

x

=

5

−

13

6

=

−

8

6

=

−

4

3

7 0
3 years ago
Please help!! It's due in an hour!!
Agata [3.3K]

Answer: 2 feet below normal

6 0
3 years ago
Read 2 more answers
Help me out please!!!!!!!
SashulF [63]
This is a rule for right triangle pythagorean triples, so it is B
4 0
3 years ago
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