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sergey [27]
3 years ago
6

Which relation is a function?

Mathematics
1 answer:
Alekssandra [29.7K]3 years ago
6 0

Answer: O {(0, -9), (-9, 0), (-3, -3)}

Step-by-step explanation:

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De segunda a sexta-feira, um padeiro usa 1 ¼ de sacos de farinha ao assar bolos. O padeiro usará mais ou menos de 5 sacos de far
ArbitrLikvidat [17]

Answer:

mais de 5 sacos      6 sacos y 1/4

Step-by-step explanation:

1 1/4 = 5/4

De la segunda  feira a la sexta son 5 feiras

5/4 * 5 = 25/4

25/4 = 6  1/4

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4 years ago
1. z²-9z=66<br> 2. y²+16y=17<br> 3. 2h²-5h=-1
soldier1979 [14.2K]

Hello,

Starting with problem one:

Subtract 66 from both sides.

z2−9z−66=66−66

z2−9z−66=0

Use quadratic formula with a=1, b=-9, c=-66.

z = 9/2+1/2√345

Problem two:

Subtract 17 from both sides.

y^2+16y−17=17−17

y^2+16y−17=0

Factor left side of equation.

(y−1)(y+17)=0

Set factors equal to 0.

y−1=0 or y+17=0

y=1 or y=−17

ANSWER: y=1 or y=−17

Problem 3:

2h^2−5h−(−1)=−1−(−1)

2h^2−5h+1=0

Use quadratic formula with a=2, b=-5, c=1.

ANSWER: h=5/4+1/4√17

Have an amazing day.

7 0
3 years ago
John made 12 dollars per delivery plus a base pay of 30 dollars.
Effectus [21]

Answer:

10

Step-by-step explanation:

$150 minus the base pay of $30 is $120. Divide this by the $12 he makes each delivery. 120/12=10

5 0
3 years ago
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