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Westkost [7]
3 years ago
14

-5y ⪰ 15 solve plz???

Mathematics
1 answer:
My name is Ann [436]3 years ago
5 0

y less than or equal to 3

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What is the difference between 3/7 and 1/14
LUCKY_DIMON [66]
Hi Bamdeedaowzwbi

Lets find the LCD of both fractions which is 14

now make the denominators (bottom numbers) the same as the LCD (14)

Okay now subtract now that the denominators are the same

join the denominators together 

simplify it

Answer: 5/14

*Key word in the question was difference, difference in math definition means subtraction.
8 0
3 years ago
a bag of a certain type of sand weighs 42 pounds and has a volume of 0.5 cubic feet. a sandbox has a volume of 16 cubic feet. ap
Anna71 [15]

Answer:32

Step-by-step explanation:I divided 16 by 0.5

7 0
3 years ago
Solve 2y - 5 over 3 = 4y - 1 over 2
ololo11 [35]
\frac{2y - 5}{3} = \frac{4y - 1}{2}
3(4y - 1) = 2(2y - 5)
3(4y) - 3(1) = 2(2y) - 2(5)
12y - 3 = 4y - 10
8y - 3 = -10
8y = -7
\frac{8y}{8} = \frac{-7}{8}
y = -0.875
4 0
2 years ago
I need help, can someone please explain this step by step.
Helga [31]

180-117.3=62.7

answer is 62.7

3 0
2 years ago
Verify that the roots of 5x²- 6x -2 = 0 are <img src="https://tex.z-dn.net/?f=%5Cfrac%7B3%20%2B%20%5Csqrt%7B19%7D%20%7D%7B5%7D%2
Mice21 [21]

Answer:

Proof below.

Step-by-step explanation:

<u>Quadratic Formula</u>

x=\dfrac{-b \pm \sqrt{b^2-4ac} }{2a}\quad\textsf{when }\:ax^2+bx+c=0

<u>Given quadratic equation</u>:

5x^2-6x-2=0

<u>Define the variables</u>:

  • a = 5
  • b = -6
  • c = -2

<u>Substitute</u> the defined variables into the quadratic formula and <u>solve for x</u>:

\implies x=\dfrac{-(-6) \pm \sqrt{(-6)^2-4(5)(-2)}}{2(5)}

\implies x=\dfrac{6 \pm \sqrt{36+40}}{10}

\implies x=\dfrac{6 \pm \sqrt{76}}{10}

\implies x=\dfrac{6 \pm \sqrt{4 \cdot 19}}{10}

\implies x=\dfrac{6 \pm \sqrt{4}\sqrt{19}}{10}

\implies x=\dfrac{6 \pm2\sqrt{19}}{10}

\implies x=\dfrac{3 \pm \sqrt{19}}{5}

Therefore, the exact solutions to the given <u>quadratic equation</u> are:

x=\dfrac{3 + \sqrt{19}}{5} \:\textsf{ and }\:x=\dfrac{3 - \sqrt{19}}{5}

Learn more about the quadratic formula here:

brainly.com/question/28105589

brainly.com/question/27953354

3 0
1 year ago
Read 2 more answers
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