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2 years ago

6

Tonia and Trinny are twins.Their friends give them identical cakes for their birthday.Tonia eats 1/8 of her cake and Trinny eats

1/6 of her cake. How much cake is left?

1 answer:

Licemer1 [7]2 years ago

5 0

Answer: 7 over 24 I think so! Sorry I didn’t reduce

Step-by-step explanation:

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Easy Car Rental charges $8.50 an hour plus a rental fee of $25.50. Which equation represents the total charges for x hours ?

gladu [14]

Answer:

Total charge = 8.50x + 25.50

Step-by-step explanation:

You multiply the hourly charge($8.50) by the number of hours(x) and add the rental fee($25.50)

3 0

2 years ago

LORAN is a long range hyperbolic navigation system. Suppose two LORAN transmitters are located at the coordinates (-100,0) and (

Gre4nikov [31]

Answer:

$\frac {(x)^{2}}{8100}+\frac {(y)^{2}}{1900}=1$

Step-by-step explanation:

center of the hyperbola is (0,0) = (h, k)

c = the distance form the center to either focal point = 100

$c^{2} =100^{2}=10000$

The differences from the receiver to the transmitters = 2a

2a = 180 miles

a = 180/2=90 miles

$a^2 =90^{2}= 8100$

$b^{2}= c^{2} - a^{2}$

$b^{2}= 100^{2}-90^{2}=1900$

$b^{2}=1900$

The standard form is

$\frac {(x-h)^{2}}{a^{2}}+\frac {(y-k)^{2}}{b^{2}}=1$

$\frac {(x-0)^{2}}{a^{2}}+\frac {(y-0)^{2}}{b^{2}}=1$

$\frac {(x)^{2}}{8100}+\frac {(y)^{2}}{1900}=1$

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2 years ago

Diana and Sujit clean homes for a summer job they charge $70 for the job plus 5% for supplies. A homeowner gave them a 15% tip.

Llana [10]

I'm sorry I don't know that

3 0

2 years ago

a student concluded that the solution to the equation sqrt 2x+1+3=0 is x=4 Do you agree? Explain why or why not.

Lina20 [59]

Answer:

No.

Step-by-step explanation:

We assume you're concerned with

$\sqrt{2x+1}+3=0$

The sum of a non-negative number and a positive number cannot be zero. The square root is always non-negative.

6 0

2 years ago

Read 2 more answers

Mrs. Jones attended a Southern Living home party. She purchased a vase which cost $34.99. The shipping charge was $3.00, and 8.2

kipiarov [429]

Answer:

Step-by-step explanation:

1.0825×(34.99+3) = $41.124175, and the government always rounds up.

$41.13

5 0

2 years ago