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Nuetrik [128]
3 years ago
14

Can you help me solve this?

Mathematics
1 answer:
marishachu [46]3 years ago
3 0

Answer:

the answer is seven

Step-by-step explanation:

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Factorise x^2-3x+10=0
Mila [183]
(x-5)(x+2)=0
roots: x=5 and x= -2
see attached photo for steps

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3 years ago
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The admission fee is $1.50 for children and $4.00 for adults. If 2700 people enter and $7800 is collected how many children and
Snowcat [4.5K]

Answer:

1200 children and 1500 Adults

Step-by-step explanation:

Suppose x be the children and y be the adults as total people are 2700 that have entered so we can write an equation as  

x+y=2700    (Equation 1)

and as per child $1.50 is the cost and $4 for every adult and collectively we have got $7800 so we can write the equation as  

1.50x+4y=7800 (Equation 2)

Extracting the value of y from equation 1

Y=2700-x (Equation 3)

Putting the value of y from equation 3 into equation 2

1.50x+4(2700-x)=7800

1.50x+10800-4x=7800

1.50x-4x=7800-10800

-2.5x=-3000

Cancellation of negative signs on both sides

x=3000/2.5

x=1200

Putting the value of x in equation 3 to get the value of y

y=2700-1200

y=1500

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3 years ago
Two cars leave the same parking lot, with one heading north and the other heading'east. After several minutes, the northbound ca
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( -3/4 + 4/3) + i =0 Show your work. (Please help)
Effectus [21]

Answer:

i = -7/12

Step-by-step explanation:

(-3/4 + 4/3) + i = 0

(-9/12 + 16/12) + i = 0

7/12 + i = 0

i = -7/12

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to be honest I'm not sure

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