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ArbitrLikvidat [17]
3 years ago
14

3x2 + 5x-9 = 0 Quadratic formula A= B= C=

Mathematics
2 answers:
Umnica [9.8K]3 years ago
5 0

Answer:

the answer are

a = 3, b

= 5 and

c = -9

kaheart [24]3 years ago
5 0

Answer:

The answer is in the photo below! :D

Step-by-step explanation:

Hope this helped!

-LEI

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Look at the pic below and please help.
marshall27 [118]

Answer:

1) Equation's:

  • y = 500 + 15x
  • y = 350 + 18x

2) Number of guest and the charge:

  • Cost is same for both at 50 meals. The cost is $1250.

<u>Part 1</u>

Turn sentences into equation's (Let 'y' be total cost and x per meal) :

(i) charges $500 and $15 per meal

  • y = 500 + 15x

(ii) charges $350 and $18 per meal

  • y = 350 + 18x

<u>Part 2</u>

            y  =  y

500 + 15x = 350 + 18x

18x - 15x = 500 - 350

3x = 150

x = 150/3

x = 50

Charge at guest's 50 meal:

y = 500 + 15(50)

y = $1250

Point : (50, 1250)

3 0
2 years ago
greta has 45 minutes before her job interview. she is 15 miles away from teh interview. how far must she drive to be on time for
Jlenok [28]
15 miles is how far she has to go. I think you have a Typo
3 0
3 years ago
Helphelphelphelphelphelphelphelphelp mememememem​
seropon [69]

Answer:

its c jei2ueueuu2eueueu2u2u2

5 0
3 years ago
Mrs. Williams teaches preschool. At snack time on Monday, Mrs. Williams used 2/3 of a bottle of juice to give 12 students each a
MakcuM [25]

Answer: 1 1/6

Step-by-step explanation:

Let the amount of students that a bottle of juice can cater for be x. Therefore,

2/3 × x = 12

2x/3= 12

2x = 12 × 3

2x = 36

x = 36/2

x = 18

Since Mrs. Williams gave juice to 21 students, the number of bottles of juice that was used will be:

= 21/18

= 1 3/18

= 1 1/6

5 0
3 years ago
A road shown measured on a map is 2.5 cm the actual distance on land is 4 km.what is the scale used.
GrogVix [38]

Answer:

Scale = 1:160000

Step-by-step explanation:

the scale used = 2.5 cm : 4 km = 2.5cm : 400000 cm

Simplify this in such a way that we are left with a ration in the form of 1:n

1: 160000

Hope this helps

4 0
3 years ago
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