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ki77a [65]
4 years ago
9

20 is what percent more than 5 ?

Mathematics
1 answer:
ziro4ka [17]4 years ago
5 0
5 can go into 20 4 times. If 5 was already there then it is 400 times the original number or 5. 
OR
5/100 = 20/x Rearrange x5 = 20x100  2000/5 = x   x=400
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Which choice is equivalent to the expression below? use the FOIL method. (√x-2)(√x+3)​
lora16 [44]

Answer:

x + √x - 6

Step-by-step explanation:

Multiply out (√x-2)(√x+3) using the FOIL method:

Multiply the First terms:  x

Multiply the Outside terms:  3√x

Multiply the Inside terms:  -2√x

Multiply the Last terms:  -6

Now combine these results.  We get:

x + √x - 6

6 0
3 years ago
Is (2,3) (4,5) (2,8) a function?
snow_lady [41]

Answer:

No

Step-by-step explanation:

if the X number ever repeats, then its never a function

4 0
3 years ago
Read 2 more answers
What is the weight In grams of a liquid that exactly fills a 203.0 ml container if the density of the liquid is 0.685?
Serhud [2]

Answer:

the weight of a liquid is 138.37 grams.

Step-by-step explanation:

we are given that the volume of the container=202 ml(milliliter).

also, the density of the liquid is given =0.685 grams over milliliter.

we know that the mass or weight of the liquid is given by:

weight=density×volume .

weight=(0.685×202) grams.

weight=138.37 grams.

hence, the weight of the liquid that exactly fills a 202.0-milliliter container is 138.37 grams.

7 0
3 years ago
3x + x + 8 = 20 hhhhhhhhhhhssjsjjsjzjsjjsjsjsjsjsjsjsjsjsjjs
Flura [38]

Answer:

×=3

Step-by-step explanation:

3× + × + 8 = 20

4×= 12

divide 4 with 12 and it will be 3

8 0
3 years ago
Using the quadratic formula to solve x2 = 5 - X, what are the values of X?
sdas [7]

Answer:

The answer is

<h3>x =  \frac{ - 1 +  \sqrt{21} }{2}  \:  \:  \: or \:  \:  \: x =  \frac{ - 1 -  \sqrt{21} }{2}</h3>

Step-by-step explanation:

x² + x - 5 = 0

Using the quadratic formula

That's

<h3>x =  \frac{  - b\pm \sqrt{ {b}^{2} - 4ac } }{2a}</h3>

From the question

a = 1 , b = 1 , c = - 5

Substitute the values into the above formula and solve

We have

<h3>x =  \frac{ - 1\pm \sqrt{ {1}^{2} - 4(1)( - 5) } }{2(1)}  \\ x =  \frac{ - 1\pm \sqrt{1  + 20 } }{2}  \\ x =   \frac{ - 1\pm \sqrt{21} }{2}</h3>

We have the final answer as

<h3>x =  \frac{ - 1 +  \sqrt{21} }{2}  \:  \:  \: or \:  \:  \: x =  \frac{ - 1 -  \sqrt{21} }{2}</h3>

Hope this helps you

3 0
3 years ago
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