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Aleks04 [339]
2 years ago
15

Which set of ordered pairs does not represent a function? O {(-3,-9), (7,9), (9, 1), (7,3)} O {(-3,8),(-6,5), (-5, -6), (1,-6)}

O {(3,1),(-2,-9), (6,-9),(4,6)} o {(4,3), (-4,4),(-2,-5), (6,4)}​
Mathematics
2 answers:
kvasek [131]2 years ago
7 0

Answer:

The first set of ordered pairs is not a function.

Step-by-step explanation:

The X value of 7 repeats, which means that it is not a function

kolezko [41]2 years ago
3 0
Second, third and fourth set of ordered pairs does not represent a function so only the first one is a function.
This is because each x value has to has their distinct y value. So you notice all sets of ordered pairs except the first one, two different x-values have the common y-value, which cannot be happen.
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What is 1000 k = to but it has to be a gram .any get it cause I don't help me
denpristay [2]
You need to convert 1000kg to grams? There are 1000g\frac{1000g}{kg}
Now what you need to do is multiply the number of kg you have by your conversion fractions, making sure that grams is on top so you end up with grams in your answer:\frac{1000kg}{g} * \frac{1000g}{kg}

Kg cancel, and you are left with 1,000,000g
This means that there are 1,000,000g in 1000kg
Hope this helps!
5 0
3 years ago
Helpppppppppppppppppppppp..... .......<br><br><br>​
morpeh [17]

Answer:

{ \sf{( \sec \theta -  \csc \theta)(1 +  \tan \theta +  \cot \theta) }} \\  = { \sf{( \sec \theta +  \tan \theta \sec \theta +  \cot  \theta \sec  \theta) - ( \csc  \theta -   \csc \theta \tan  \theta -  \csc \theta \cot  \theta)}} \\  = { \sf{( \sec \theta +  \sec \theta \tan  \theta +  \csc  \theta) - (  \csc  \theta -  \sec \theta -  \csc  \theta \cot   \theta)}} \\  = { \sf{ \sec  \theta \tan  \theta +  \csc \theta \cot \theta }} \\ { \bf{hence \: proved}}

3 0
2 years ago
Sovle the system of linear equations by graphing y=2x-1 y=x+1
lorasvet [3.4K]

Answer:

2x-1=x+1

2x-x=x

1+1=2

x=2

Knowing x's value, we substitute it with the equations

y=x+1

y=2+1

or y=2x-1

y=2(2)-1

y=4-1

y=3

(2,3) are your coordinates :D

5 0
3 years ago
The cost price of bicycle a is $620. The shopkeeper sells it and makes a profit of
Romashka [77]

Answer:

$341 the selling price

Step-by-step explanation:

Cost $620

$620-45% ($279 profit)

$620-$279=$341 should be the selling price

6 0
2 years ago
What equation is equivalent to 2^3^x =10
Tresset [83]

Answer:

log_2(10)

<h3>how to find</h3>

Simplify the equation using logarithms.

<h3>part 1</h3>

2^3x=10

log_1_0(2^3x)=log_1_0(10)

log rule ⇩

log_a(x^y)=y*log_a(x)

move exponent out of log.

x*log_1_0(2)=log_1_0(10)

<h3>part 2</h3>

<em>isolate variable further</em>

x*log_1_0(2)=log_1_0(10)

x=\frac{log_{10}(10)}{log_{10}(2)}

formula for combining logs. ⇩

\frac {log_b(x)}{log_b(a)}=log_a(x)

the result ⇩

x=log_2(10)

6 0
2 years ago
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