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Dmitry_Shevchenko [17]
2 years ago
10

PLLLLEEEEAAASSSEEEE HHHEEELLLPPPP!!!!! WILL MARK BRAINLIEST

Mathematics
1 answer:
Brut [27]2 years ago
5 0

Answer:

1 and 5 I think

Step-by-step explanation:

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Radical-3 -radical -169
ddd [48]
√3 - √169 =?

√3 - √(13)²  = √³ - 13  or equal √3 + 13 since √169 = + or - 13

3 0
3 years ago
Florence looked at her school lunch account and realized it was –$10.83. Which statement accurately explains the value in her ac
Rudik [331]

Answer:

Step-by-step explanation:

A

3 0
3 years ago
The population of a city is expected to
Furkat [3]

\huge\boxed{1.0925p}

Since the population is going to increase by a certain percentage, we have to add 100\% to the percentage to keep the original population.

9.25\%+100\%=109.25\%

Now, convert the percentage into a decimal. You can do this by moving the decimal place two places to the left.

109.25\longrightarrow 1.0925

Now, just multiply that by p.

\large\boxed{1.0925p}

8 0
3 years ago
Need help asap !
frutty [35]
The triangle to solve for has a leg or 12 feet, hypotenuse of 20 feet, so solve for Pythagoras a^{2}  +  b^{2}  =  c^{2}  for a

a =  \sqrt{c^{2} -b^{2}}

a = 16 feet
5 0
3 years ago
a rectangular block is such that the sides of its base are of the length x cm and 3x cm. The sum of all the lengths of all its e
Xelga [282]

Answer:

15x^2 - 12x^3

Step-by-step explanation:

A rectangular block has 3 parts that play into its volume.  length, width and height.  The question gives us length and width in the form of x and 3x, so height is what's missing.

It gives us a bit more information saying the sum of its edges is 20.  We also have to ask how many lengths, widths and heights are there.  That may be a bit hard to understand, but  is you are looking at a block I could ask how many edges are vertical, just going up and down.  These would be the heights.  There are 4 total, and this goes the same for length and width, so 4*length + 4*width and 4*height = 20.  

Taking that and plugging in x for length and 3x for width (or you could do it the other way around, it doesn't matter, you get:

4*x + 4*3x + 4*height = 20

4x + 12x + 4h = 20

16x + 4h = 20

4h = 20 - 16x

h = 5 - 4x

Now we have h in terms of x, which lets us easily find the volume just knowing x.  To find the volume of a rectangular block you just multiply the length, width and height.

x*3x*(5-4x)

3x^2(5-4x)

15x^2 - 12x^3

Question doesn't give a specific value for x at all so you should be done there.  Any number you plug in for x should get you the right answer

5 0
3 years ago
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