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Vladimir [108]
2 years ago
10

PLS HELP

Mathematics
1 answer:
Soloha48 [4]2 years ago
3 0
(6,5)---------------(1,2)-------------------(x2,y2)
6+x2/2=1
5+y2/2=2

6+x2=2
x2=-4
y2=4-5
y2=-1
(-4,-1)

answer is C
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The admission fee at a zoo is $2 for children and $4 for adults. If 1800 people enter the zoo and $6000 is collected, how many a
ipn [44]

Answer:

The number of adults is 1,200

Step-by-step explanation:

Let

x------> the number of children

y------> the number of adults

we know that

x+y=1800 -------> equation A

2x+4y=6000 -------> equation B

Multiply equation A by -2

-2(x+y)=-2*1800 --------> -2x-2y=-3600 ------> equation C

Adds equation B and equation C

2x+4y=6000\\-2x-2y=-3600\\---------\\4y-2y=6000-3600\\2y=2400\\y=2400/2\\y=1200

4 0
2 years ago
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What is the trigonometric ratio for cos D ?
leva [86]

Answer:

Here,

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  • B=21

We know that cosD= b/h

=21/75

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7 0
2 years ago
How do I confirm that f and g are inverses?
Anestetic [448]

Answer:

see explanation

Step-by-step explanation:

To show f and g are inverses we require to show that

f(g(x)) = x and g(f(x)) = x

f(g(x))

= f(6x - 4)

= \frac{6x-4+4}{6} = \frac{6x}{6} = x

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4 0
3 years ago
In the figure below, L N equals 4 x minus 7 and M O equals 2 x plus 13. For which value of x is the figure a rectangle?
Georgia [21]

For this case we have the following data:


LN = 4x-7

MO = 2x + 13

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Clearing x we have:

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x=\frac{20}{2} \\x = 10

Thus, x must be equal to 10 so that the figure is a rectangle.


Answer:


x = 10

Option A

3 0
3 years ago
Tell me everything I need to know and please work out the problems
ankoles [38]

Answer:

okay so the first one ull need to kno pemdas so start with the perenthesis (5^2-10) and then the exponent 2^3 and multyply thats by 5 and what ever answer u got in the perenthisis u divide by what u got with the second side of the problem

Step-by-step explanation:

if u need more help ill tutor u on it :)

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