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Ronch [10]
3 years ago
15

Solve the quadratic equation 6x²-5x-21=0

Mathematics
1 answer:
Brut [27]3 years ago
5 0

Answer:

the answer for your problem is -3/2 by my calculations. Just had a lesson on quadratic equations in class

You might be interested in
Sal made 8 ft of sausage links on Friday morning. He used 4 ft for dinner service on Friday night. On Saturday morning, he made
oee [108]

Answer:

Net change in the amount of sausage Sal had from Friday morning until after dinner service Saturday night = 8 - 0 = 8 ft

Step-by-step explanation:

Amount of  sausage links made on Friday morning = 8 ft

Amount of  sausage links used on Friday night = 4 ft

Amount of  sausage links remaining = 8 - 4 = 4ft           (i)

Amount of  sausage links made on Saturday morning = 8 ft         (ii)

So,

Total amount of  sausage links = 8 + 4 = 12 ft   (from (i) and (ii) )

Amount of  sausage links used on Saturday night = 12 ft

Amount of sausage links remaining = 12 - 12 = 0 ft

Net change in the amount of sausage Sal had from Friday morning until after dinner service Saturday night = 8 - 0 = 8 ft

8 0
4 years ago
Use the cubic model y = 5x3 to estimate the value of y when x = 8.
Ksivusya [100]

Answer:

The value would be 2560.

Step-by-step explanation:

In order to evaluate this expression, simply put the 8 in for x and simplify.

y = 5x^3

y = 5(8)^3

y = 5(512)

y = 2560

4 0
3 years ago
Determine which postulate or theorem can be used to prove that<br> REM= DME.
Snowcat [4.5K]

Answer:

SSS

Step-by-step explanation:

REM and DME share a side. This side is of course congruent.

In addition, sides RM and ED are marked as congruent, as are RE and MD.

All three corresponding sides of each triangle are congruent, which proves the triangles' congruency.

No information is given about the angles in these triangles, so none of the other theorem answer choices are valid.

Please mark brainliest! :)

5 0
3 years ago
Read 2 more answers
Please help, Will give brainliest. NO LINKS!
alukav5142 [94]

Answer:

ohh good one.. the answer is.. i dont know.

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
Can you please help me with this question I would really appreciate it
UkoKoshka [18]

Answer:

(0,0) (-2,0) (2,0)

Step-by-step explanation:

7 0
3 years ago
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