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Elena L [17]
2 years ago
15

5b 2 −6b−2 is prime TURE OR FALSE!! 100 POINTS PLEASE HELP!!!!

Mathematics
1 answer:
Ivan2 years ago
6 0

The given quadratic expression; 5b² -6b -2 is prime because the discriminant is not a perfect square.

<h3>What is the discriminant of the expression?</h3>

According to the task content; it is required to identify if the expression is prime.

On this note, it follows that the discriminant of the expression can be evaluated as follows;

= 36 -(4× 5 × -2)

= 76.

Hence, the expression is prime since 76 is not a perfect square.

Read more on discriminant;

brainly.com/question/2507588

#SPJ1

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The length of a rectangle is 10 meters more than the width. If 3 meters is added to both the length and the width, the new area
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Answer:

L = 20

W = 10

Step-by-step explanation:

L = (w + 10)

NL = (w + 13)

Divide 299 by 13:

299 ÷ 13 = 23

So, 23 x 13 = 299

L = 23

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Subtract 3 from both to get the original length and width

4 0
3 years ago
P(x)=x(x^2+4) list the roots
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1) A water park charges $5 for entry into the park and an additional $2 for each of the big waterslides. Steven spent $17 on his
777dan777 [17]
1.) The answer is A. 5+2x = 17. The x in the equation signifies the number of times Steven went to the big slides. The 5 represents the fixed cost of the slide. The total expenditure in the water park is 17 dollars, and the 2 represents the cost of using 1 big slide.

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8 0
3 years ago
Mr. Levy has a budget of $18,000. Uniforms for the marching band cost $315 each, and he needs 62 uniforms. He says, "Since 60x$3
svetoff [14.1K]

Answer:

No. See explanation  below.

Step-by-step explanation:

No.

Since 60 × $300 = $18,000, he would be exactly at budget if he needed 60 uniforms and if each uniform cost $300, but he needs more than 60 uniforms, and each uniform costs more than $315, so the total cost is definitely more than $18,000.

7 0
2 years ago
Read 2 more answers
Simplify (4.5)(5)(−2). (1 point)<br><br><br> 45<br><br> 4.5<br><br> −4.5<br><br> −45
nikitadnepr [17]
The answer is 4.5*5*-2= -45 Thanks!
3 0
3 years ago
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