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Alex777 [14]
3 years ago
15

What is the discriminant 3g^2+10= -15g

Mathematics
1 answer:
Ilia_Sergeevich [38]3 years ago
7 0
\bf 3g^2+10=-15g\implies 3g^2+15g+10=0
\\\\\\
\begin{array}{llcccll}
& 3g^2& +15g& +10\\
&\uparrow &\uparrow &\uparrow \\
&a&b&c
\end{array}
\\\\\\
discriminant\implies b^2-4ac\implies 15^2-4(3)(10)
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The radius of the circular track was 157.64 feet find the circumference of the track
DerKrebs [107]
Before we solve for anything, let's remember what our formula is.

The circumference of a circle is 2PiR (2 x Pi x R).

Our radius is 157.64.
Pi is 3.14 (estimated).

Let's plug our numbers into the formula.

Circumference = 2 x 3.14 x 157.64.
2 x 3.14 = 6.28
6.28 x 157.64 = 989.979 (990 if estimated).

Your circumference is:
989.979 ft^2.

I hope this helps!
7 0
3 years ago
Any number raised to the zero power always equals
Otrada [13]
Always equals 1. Always!
7 0
3 years ago
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If 5x+ 3 = 10x– 17, what is the value of x?<br><br> A. 1<br> B. 2<br> C. 3<br> D. 4<br> E. 5
Sedbober [7]

Answer:

D

Step-by-step explanation:

First, we will move the variable to the left-hand side and change its sign: 5x + 3 - 10x = -17

Next, we need to collect like terms: -5x = -20

Finally, we will divide both sides of the equation by -5 to give us the answer of x = 4.

3 0
3 years ago
4 + 2x = 20 so what does x =
tatiyna
4 + 2x = 20
2x = 16
x = 8
5 0
3 years ago
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A clothing store is having a sale where all shirts are 40% off and all the pairs of pants are 30% off. Which of these are true?
const2013 [10]

Answer:

Step-by-step explanation:

A. "a pair of pants originally priced at &40$ and a shirt originally priced at $45. He pays $55"—correct

(1-0.30)$40 + (1-0.40)$45 = $55

B. "Mary buys two shirts originally priced at $25. She will pay $35."—incorrect

2×(1-0.40)$25 = $30

C. "a pack of four shirts on sale for $37.80. The pack of shirts was originally priced at $54"—incorrect

(1-0.40)$54 = $32.40

D. "a pair of pants for sale price of $40.60. The pair of pants was originally priced at $58."—correct

(1-0.30)$58 = $40.60

4 0
3 years ago
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