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UNO [17]
3 years ago
15

Y=^2+5x-7 find the vertex

Mathematics
1 answer:
larisa [96]3 years ago
5 0

Answer:

-5/2-39/2

Step-by-step explanation:

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I need help with this one Eight cookies cost $12. At this rate, how much will 10 cookies cost?
mr Goodwill [35]

Answer:

$15

Step-by-step explanation:

12/8 = 1.5 = 1.50 per cookie

1.50* 10 = 15

3 0
3 years ago
Andrea had 32 problems to do for mathematics homework over the weekend. She did 1/4 of the problems on Friday night, and on Satu
igor_vitrenko [27]

Answer:

24

Step-by-step explanation:

            Problems at start =                 32

   -Problems done Friday = ¼ × 32 =  <u>  8</u>

Problems still to be done =                 24

Andrea had to do 24 problems on Saturday to complete the homework.

6 0
3 years ago
while observing the fare meter in a taxi, a student records the following data: reading on taxi fare meter time (minutes) meter
mario62 [17]
(0,5.25)(10,13.75)
slope(m) = (y2 - y1) / (x2 - x1)
slope(m) = (13.75 - 5.25) / (10 - 0) = 8.5/10 = 0.85

y = mx + b
(0,5.25)...x = 0 and y = 5.25
slope(m) = 0.85
now we sub, we r looking for b, the y int
5.25 = 0.85(0) + b
5.25 = b

so ur equation is : y = 0.85x + 5.25 or C(t) = 0.85t + 5.25 <==

cost of a 12 min taxi ride.....sub in 12 for t
C(t) = 0.85t + 5.25
C(12) = 0.85(12) +5.25
C(12) = 10.20 + 5.25 = 15.45 
so a 12 min ride would cost u : $ 15.45 <==
5 0
3 years ago
3 .912+s=5.313 evaluate
taurus [48]

Answer:

s= 1.401

Subtract 5.313 from 3.912 :D

3 0
2 years ago
You are making a lot of cookies and buy 12 bags of chocolate chips, which are $1.89 per bag
Liono4ka [1.6K]

Answer:

$22.68

Step-by-step explanation:

5 0
3 years ago
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