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tino4ka555 [31]
1 year ago
13

(08.05, 08.06 MC)

Mathematics
1 answer:
natali 33 [55]1 year ago
7 0
Bbbbbbbbbbbbbbbbbbbbb

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The sum of the squares of two nonnegative numbers is 327. The product of the two numbers is 101. What is the sum of the two numb
Verizon [17]
A) x² + y² = 327
B) x * y = 101
Solving equation B for y²
B) y² = 10,201 / x²
Substituting this into equation A)
x² + 10,201 / x² = 327
x^4 + 10,201 = 327x²
x^4  -327x²  + 10,201 = 0
Using the quartic equation calculator: http://www.1728.org/quartic.htm
x1 = 17.090169943749476
x2 = 5.909830056250525
 
x1 * x2 = 101
x1 + x2 = 23


8 0
3 years ago
Show work plz
Mazyrski [523]
So first we need to get rid of that naughty sales tax so we need to divide 30.45 by 1.05 since 30.45 is 105% of the pre-tax price. We get the answer of 29 and subtract 12 from 29 since the long fleece socks cost 12 bucks and we get 17 dollars. Since there are 2 pairs of regular songs we divide 17 by 2 and get 8.5

So the regular socks cost $8.50

Checking work 8.5*2=17
12+17=29
1.05*29=30.45

If u need more help feel free to ask me
3 0
3 years ago
Does anyone know what x and y equal
Ket [755]
X=4 y=10
Because when you look at the intersection of the two lines they intersect at (4,10) (x,y)
5 0
3 years ago
Read 2 more answers
I NEED HELP PLZ, PLZ, I NEED HELP, I AM BEGGING YOU
erastova [34]

Answer:

tn = 8n -7

Step-by-step explanation:

given : t2=9, t4=25

the formula is:

tn = t1 + (n-1) d

gonna find d first:

d = (25-9) /(4-2) = 16/2 = 8

and find tn1:

t1 = 9-8 = 1

so, tn = 1 + (n-1) (8) = 1 +8n -8

tn = 8n -7

8 0
3 years ago
Read 2 more answers
Please help!! i’d really appreciate this! i’ll give you brainliest
const2013 [10]

\huge\longmapsto\sf \mathfrak{Answer : }

Area of trapezoid :

\boxed{ \frac{1}{2}  \times (a + b) \times h}

where,

  • a and b are parallel sides
  • h is height

so,

\longmapsto{ \dfrac{1}{2}  \times (6 + 8) \times 4}

\longmapsto{2 \times 14}

\longmapsto{28}

hence, Area = 28 unit²

4 0
3 years ago
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