3 years ago

The solution to the inequality 5x - 4 > 21 is represented by which number line?

Mathematics

1 answer:

andrew-mc [135]3 years ago

7 0

Answer:

Step-by-step explanation:

Start with the given inequality and solve it for x.

First, add 4 to both sides: 5x > 25

Next, divide both sides by 5: x > 5

The solution (set) is x > 5.

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Use a table to find two consecutive integers between which the solution lies.

IRINA_888 [86]

4k = 25 => k = 25/4 => 6< k < 7
15q = 160 + 24 => 15q = 184 => q = 184/15 => 12< q < 13

7 0

3 years ago

Please help, thanks!

Mamont248 [21]

((-4x^3)(y^4))^-3
--------------------------
(2xy^4)^-4
16x^4y^16
=------------------------
-64x^9y^12
-16y^4
=------------------------
64x^5
-y
=------------------------
4x^5

So the final answer is:

-y^4
-------
4x^5

(Btw if "^" is in front of a number, that means it is an exponent, so when your writing this on paper, just write it as a regular exponent without the "^". I had to do that since I'm on a computer.)

Hopefully this was helpful in some way.

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4 years ago

Consider a set of 7500 scores on a national test whose score is known to be distributed normally with a mean of 510 and a standa

german

$\mathbb P(X>600)=\mathbb P\left(\dfrac{X-510}{85}>\dfrac{600-510}{85}\right)=\mathbb P(Z>1.059)\approx0.145$

So approximately 14.5% of the scores are higher than 600. This means in a sample of 7500, one could expect to see $0.145\times7500\approx10.86$ scores above 600.

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3 years ago

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Ostrovityanka [42]

Answer:

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2 years ago

A tree is 6 meters tall. What is its height in feet? Use the following conversion: 1 meter is 3.3 feet.

rjkz [21]

19.8 Feet
3.3 * 6 = 19.8

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3 years ago