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Alex
3 years ago
12

Please help. Find the value of x in the triangle shown below. 5 8

Mathematics
1 answer:
Levart [38]3 years ago
4 0

Answer:

x=+-\sqrt{89}

Step-by-step explanation:

x^{2}=8^{2} + 5^{2}

x^{2}=64+25

x^{2}=89  

x=+-\sqrt{89}

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The variable Z is directly proportional to X. When X is 12, Z has the value 228. What is the value of Z when X = 18
Gnoma [55]
Z=Xk228=12kk=228/12k=19Z=18*19Z=342 57=3k57/3=k19=k again Z=8*19Z=152
hope i could help :)
6 0
3 years ago
Help me!<br> what is the domain or range?
Lapatulllka [165]
Domain is [-10,∞) 
2 is included , only at x=2 new function begins
Range is the values of y , so range  is [-7]∪[-4,6
I think, it should be  like this.
5 0
3 years ago
A farm covers land in the shape of a trapezium. The length of the northern boundary of the farm is 265 m and length of the south
igor_vitrenko [27]

Answer:

Step-by-step explanation:

Part A

<u>Givens</u>

b1 = 265

b2 = 180

h  = 90

<u>Formula</u>

Area = (b1 + b2)*h / 2

<u>Solution</u>

Area = (265 + 180) * 90 / 2

Area = 445 * 90 / 2

Area = 40050 / 2

Area = 20025 square meters

Part B

1 hectare = 10000 square meters

x hectare = 20025 square meters         Cross multiply

x * 10000 = 20025 * 1                             Divide by 10000

x  = 20025 / 10000

x = 2.0025

Rounded to the nearest hectare that would be 2

Part C

The best shape is a square.

That would mean that the area is given by

s^2 = 20025

sqrt(s^2) = sqrt(20025)

s = 141.51

Each side of the rectangle (square) = 141.51

4 0
3 years ago
Why didn’t the Shah get his own temple?
mamaluj [8]
I think its B I`m not sure
7 0
3 years ago
Read 2 more answers
Consider the parent quadratic function f(x) = x2.
zloy xaker [14]
F(x)=x+c, where c is an arbitrary constant.
if c is positive then translation above 
if c is negative then translation down
reflection of f(x)=x^2 across x-axis then 
f(x)=-x^2
5 0
3 years ago
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