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Nutka1998 [239]
3 years ago
6

I also need help figuring this out - 2x^2 -7x - 15

Mathematics
1 answer:
Alexus [3.1K]3 years ago
3 0
x = ±√ 7.500 = ± 2.73861
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Answer:

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3 0
3 years ago
20≥8+4.99x please I could get an F.
marin [14]

Answer:

\begin{bmatrix}\mathrm{Solution:}\:&\:x\le \frac{1200}{499}\:\\ \:\mathrm{Decimal:}&\:x\le \:2.40480\dots \\ \:\mathrm{Interval\:Notation:}&\:(-\infty \:,\:\frac{1200}{499}]\end{bmatrix}

Step-by-step explanation:

20\ge \:8+4.99x\\Switch\:sides\\8+4.99x\le \:20\\\mathrm{Multiply\:both\:sides\:by\:}100\\8\cdot \:100+4.99x\cdot \:100\le \:20\cdot \:100\\Refine\\800+499x\le \:2000\\\mathrm{Subtract\:}800\mathrm{\:from\:both\:sides}\\800+499x-800\le \:2000-800\\Simplify\\499x\le \:1200\\\mathrm{Divide\:both\:sides\:by\:}499\\\frac{499x}{499}\le \frac{1200}{499}\\Simplify\geq \\x\le \frac{1200}{499}

5 0
2 years ago
2.5 ml medication.how many teaspoon should be given
Verdich [7]

5ml=1 teaspoon

2.5ml=1/2 teaspoon

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5 0
3 years ago
Match the match sentences that count on and back by tens.
Ymorist [56]
58 103 72
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5 0
3 years ago
SOMEONE PLEASE HELP ME WITH THIS!!!!
denis23 [38]

Answer:

D.

Step-by-step explanation:

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Subtract 170 from each side of the equals,

115x = 460

Divide 460 by 115,

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Thus, D is your correct answer.

<em>Answered by:</em>

matthewarvin06

Hey! Thanks for reading my answer. If this helped you in any way, please rate or say thanks! It's really appreciated. If you have any further questions, please let me know. Thanks!

7 0
3 years ago
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