3 years ago

Which number line shows the solution to the quality -3x -5 <-2

1 answer:

3 0

No number line is shown. To solve the inequality, add 5 to get -3x < 3, and multiply by -1 (and remember to flip the sign!) to get 3x > 3. Divide by 3 to get x > 1.

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Jason a 4 lengths of rope. The lengths are 3 inches, 15 centimeters, 0.3 meters, and 0.5 feet. About how much rope does Jason ha

AnnZ [28]

Answer: 67.5 cm

Step-by-step explanation:

Jason has 4 lengths of ropes

first is $3\ in.\approx 7.5\ cm$

second is $15\ cm$

Third is $0.3\ m\approx 30\ cm\quad [\text{1 m = 100 cm}]$

fourth is $0.5\ ft\approx 6\ in.\approx 15\ cm\quad [\text{1 ft=12 in.}]$

the total length of rope is the sum of four lengths

$\Rightarrow 7.5+15+30+15=67.5\ cm$

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3 years ago

What is the interval notation for {x|x€ R, -2<x<6}

Firdavs [7]

Answer:

$\large\boxed{\{x|x\in\mathbb{R},\ -2$

Step-by-step explanation:

look at the picture

$xa\to x\in(a,\ \infty)\\\\x\geq a\to x\in[a,\ \infty)\\\\a$

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4 years ago

The volume of a cone is 242.1 cubic centimeters. A cylinder has the same base and height as the cone. What is the volume in cubi

adell [148]

Check the picture below.

so... a cylinder that has the same "h" and "r" as a cone, will have a volume of

$\bf \textit{volume of a cone}\\\\
V_{cone}=\cfrac{\pi r^2 h}{3}\qquad 3V_{cone}=\boxed{\pi r^2 h}\qquad V_{cone}=242.1\\\\\\ 3V_{cone}=3(242.1)
\\\\\\
\textit{volume of a cylinder}\\\\
V_{cylinder}=\boxed{\pi r^2 h}\implies 3V_{cone}\implies 3(242.1)\implies 726.3$

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3 years ago

What are all natural number factors of 130

harina [27]

<span>1, 2, 5, 10, 13, 26, 65, 130 are the natural number factors of 130.

</span>

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3 years ago

The length of each side of a square was decreased by 2 inches, so the perimeter is now 52 inches. What was the original length o

telo118 [61]

60 inches because the square has 4 sides so 4x2 is 8 and 52+8 is 60.

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3 years ago