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Rzqust [24]
3 years ago
10

Which set of ordered pairs represents y as a function of x? A) {(0, 0), (−1, 2), (−1, −2), (−2, 4), (−2, −4)} B) {(0, 0), (1, 1)

, (2, 4), (3, 9), (3, 16)} C) {(0, 0), (0, 1), (0, 2), (0, −1), (0, −2)} D) {(0, 0), (−1, −0.5), (−2, −1), (−3, −1.5), (−4, −2)}
Mathematics
1 answer:
valentina_108 [34]3 years ago
7 0

Answer: D

Step-by-step explanation:

No two coordinates can have to same input(x) and different outputs(y)

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Pls pls pls help!!!
cluponka [151]

Answer:

Step-by-step explanation:

there are more money during the week 1 because having a -$8 balance is better than having a -$10 balance, -8 > -10

week 2 has a greater absolute value

| -10| = 10 and |-8| =8 and becasue 10> 8 then |-10| > |-8|

4 0
3 years ago
Find all points having an x-coordinate of 2 whose distance from the point (-1,-2) is 5
xxTIMURxx [149]
d=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}\\\\
5=\sqrt{(-1-2)^2+(-2-y_1)^2}\\
\sqrt{9+4+4y_1+y_1^2}=5\\
y_1^2+4y_1+13=25\\
y_1^2+4y_1-12=0\\
y_1^2+6y_1-2y_1-12=0\\
y_1(y_1+6)-2(y_1+6)=0\\
(y_1-2)(y_1+6)=0\\
y_1=2 \vee y_1=-6\\\\
\boxed{(2,2),(-6,2)}


3 0
3 years ago
Hey! please help i’ll give brainliest
V125BC [204]

Answer:

The answer is D

Step-by-step explanation:

If and Then are italicized

3 0
3 years ago
A car traveling on the taconic parkway travels 84 mike in two hours what is the cars speed (a special type of rate) in miles per
avanturin [10]

we know that

the speed's formula is equal to

speed=distance/time

in this problem we have

distance=84\ miles\\time=2\ hours

Substitute the values in the formula

speed=84/2

speed=42\frac{miles}{hour}

therefore

<u>the answer is</u>

42\frac{miles}{hour}

4 0
3 years ago
Sally has 10.00 worth of coins and all of the coins are equal how many coins of each does she have?
Yanka [14]
20 quarters
5x 4 =20
hope it helped bye
7 0
3 years ago
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