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Sliva [168]
3 years ago
8

XZ = 13 and YZ = 4 Find XY

Mathematics
1 answer:
saw5 [17]3 years ago
7 0
Z = 13/x

sub Z inside YZ = 4

Y(13/x) = 4
13Y * YX = 4
YX = 4/13Y
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Graph the system of equations on your graph paper to answer the question.
user100 [1]
Y= x-4: gradient is 1 ; y- intercept is -4
g= -3+6
g= 3: y-intercept is 3; gradient is 0
Then you graph it
After graphing it you should find the intersection of this two line which I marked on the graph.
I’m not sure if the question is just asking you to show how these two functions are expressed on a graph or does it actually ask you to find the intersection of the two lines
But yea the coordinates of the intersection is (7,3)

4 0
2 years ago
What is the minimum value for h(x)=x2−16x+60?
iogann1982 [59]
Minimum value is equal to x=8, y=-4
First find the derivative of the original equation which equals= d/dx(x^2-16x+60) = 2x - 16
at x=8, f'(x), the derivative of x equals zero, so therefore, at point x = 8, we have a minimum value.
Just plug in 8 to the original equation to find the answer for the minimum value. 
3 0
4 years ago
I need help on 13. Please someone help me. Don’t put a link. Please help me.
Viktor [21]

Answer and Step-by-step explanation:

How to know if the side lengths can form a triangle:

Add together two of the lowest numbers. If it is greater than the largest number, it can form a triangle.

13. Yes, these side lengths can form a triangle.

-- 4 + 5 = 9.

-- 9 is greater than 7, the largest length.

14. No, these side lengths can't form a triangle.

-- 2 + 3 = 6

-- 6 is equal to 6, not greater than.

15. Yes, these side lengths can form a triangle.

-- 2 + 4 = 6

-- 6 is greater than 5, the largest number.

16. Yes, these side lengths can form a triangle.

-- Don't get confused when you see that there are two side lengths that are the same (it means that this is an isosceles triangle); the rules still apply.

-- 2 + 8 = 10

-- 10 is greater than 8, the largest number.

17. Yes, these side lengths can form a triangle.

-- 5 + 6 = 11

-- 11 is greater than 9, the largest number.

18. Yes, these side lengths can form a triangle.

-- 4 + 5 = 9

-- 9 is greater than 8, the largest number.

<em><u>I hope this helps!!</u></em>

<em><u>#teamtrees #PAW (Plant And Water)</u></em>

5 0
3 years ago
At a movie theater, the price of 3 adult tickets and 5 child tickets is $63. The price of 6 adult tickets and 2 child tickets is
Aloiza [94]

Answer:

10.9

Step-by-step explanation:

7 0
3 years ago
Evaluate f(x)=0.5^-2​
Ganezh [65]

Answer:

f=1/25x

f=4/5f (simplified)

x=1/25f

x=4/5x (simplified)

Step-by-step explanation:

To solve for f.

fx=5−2

Step 1: Divide both sides by x.

fx/x=1/25/x

f=1/25x

To solve for x

fx=5−2

Step 1: Divide both sides by f.

fx/f=1/25/f

x=1/25f

7 0
3 years ago
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