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Alchen [17]
3 years ago
12

Roberto purchased airline tickets for his family of 4. The tickets cost $1,250.The airline also charged a luggage fee,bringing t

he total cost to $1,400. What is the percent increase
Mathematics
2 answers:
Vitek1552 [10]3 years ago
7 0

Answer:

12% Increase.

Step-by-step explanation:

goblinko [34]3 years ago
3 0

Find the difference:

1400 - 1250 = 150

Divide the difference by the starting value:

150 / 1250 = 0.12

Multiply by 100:

0.12 x 100 = 12% increase.

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How many pieces 3 and three fifths in. long can be cut from 28 metal rods each 15 in.​ long? Disregard waste.
Murrr4er [49]

Answer: 112 pieces


Step-by-step explanation:

1. Rewrite 3^{\frac{3}{5}} as a decimal. Divide the numerator and the denominator of the fractional part and add it to the integer part:

3+0.6=3.6in

2. You know that each metal rod is 15 inches long. Then, you must divide the lenght of each one by 3.6:

pieces=\frac{15in}{3.6in}4.16

3. The waste is 0.16, therefore, you obtain 4 pieces from a metal rod. The total pieces obtained from 28 metal rods are:

total=4pieces*28=112pieces

8 0
3 years ago
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When the following quadratic equation is written in general form, what is the value of "c"?
Artyom0805 [142]
It will be negative 2,cause your equation is already in general form but we can't have a negative on a, so we should changed it on their opposite sign, so 2 will be negative
8 0
3 years ago
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Solve –3x^2 – 4x – 4 = 0
raketka [301]
-3x^2-6x+2x-4 =-3x (x-2)+2 (x-2) =(-3x+2)(x-2) -3x+2=0 X=2/3 X-2=0 X=2 Hope it helps! !!!!
4 0
2 years ago
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2.79 ? 2.790<br> Are they equal or which one is greater
tatiyna

Answer:

they are equal

Step-by-step explanation:

because you can add how many zeroes after 2.79 but it is going to still be equal.

7 0
2 years ago
PLz help :( i will mark barinliest
RUDIKE [14]

Answer:

Step-by-step explanation:

It's D.

A theorem is true by some sort of mathematical logic.

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