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astraxan [27]
3 years ago
13

Given that, (x, y), = (5, 10), find r

Mathematics
1 answer:
pickupchik [31]3 years ago
5 0

Answer:

r=5\sqrt{5}

Step-by-step explanation:

we are given as

(x, y), = (5, 10)

we can compare

x-value is 5

x=5

y-value is 10

y=10

now, we can use formula

r=\sqrt{x^2+y^2}

now, we can plug values

r=\sqrt{5^2+10^2}

r=\sqrt{25+100}

r=\sqrt{125}

so, we get

r=5\sqrt{5}

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Deon bought a desktop computer and a laptop computer. Before finance charges, the laptop cost $250 less than the desktop. He pai
zysi [14]

Answer:

300

Step-by-step explanation:

Let x = cost of desktop computer; then x - 250 = cost of laptop computer

converting % to decimals, 9% = 0.09 and 6% = 0.06

Then, 0.09x + (x - 250)0.06 = $300

0.09x + 0.06x - 15 = $300

0.15x = $315

x = $2100

then x - 250 = $1850

Proof: $2100•0.09 + 1850•0.06 = $189 + $111 = $300

7 0
3 years ago
What is the value of x in the solution to the system of equations below?
son4ous [18]
If you would like to know the value of x in the solution to the system of equations, you can find this using the following steps:

6x + 3y = 13
3x - y = 4 ... y = 3x - 4
___________
<span>6x + 3y = 13
</span>6x + 3 * (3x - 4) = 13
6x + 9x - 12 = 13
15x = 13 + 12
15x = 25 
x = 25/15
x = 5/3

The correct result would be 5/3.
6 0
3 years ago
For the function <br><br> z=9x^3-4y^2+2xy, <br><br> Find dz/dx.
IceJOKER [234]

Answer:

The value of dz/dx is 27x^2 + 2y

Step-by-step explanation:

We have to given the function z = 9x^3 - 4y^2 + 2xy and we have to find the partial derivative of the given function. In the given function, we have to find partial derivation with respect to x. Therefore, the other values will be considered as constant and during the partial derivation, the constant value will become zero.

z=9x^3-4y^2+2xy \\\frac{dz}{dx} = 9\times 3x^{3-1} -0 +2y \\\frac{dz}{dx} =27x^2 + 2y \\

Therefore, the value of dz/dx is 27x^2 + 2y

4 0
4 years ago
Find the area of the figure
DENIUS [597]

Answer:

89

Step-by-step explanation:

To find the area of the rectangle, you do 13 times 8. That gives you 104. Now, for the triangle, you do 1/2 base times height. That is 1/2 of (13 - (4 + 4)) times 6. That equals 1/2 of 5 times 6. So 5 times 3 is 15. 104 - 15 is 89. I hope this helped and please mark me brainliest! Thanks.

7 0
3 years ago
Please help me thank you
jenyasd209 [6]

Answer:

then where is the question

have a great dayy

6 0
3 years ago
Read 2 more answers
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