3 years ago

Help?? I don't get it!

Mathematics

2 answers:

Gala2k [10]3 years ago

4 0

The answer should be y=-4x^2

m_a_m_a [10]3 years ago

3 0

I hope this helps you

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Step-by-step explanation:

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2 years ago

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In an endurance race, Rachel ran

Reil [10]

Answer:

$31\frac{1}{5}\ miles$

Step-by-step explanation:

we know that

The speed is equal to divide the distance by the time

The distance is equal to multiply the speed by the time

we have

$speed=9\frac{3}{5}\ \frac{miles}{hour}$

$time=3\frac{1}{4}\ hours$

$distance=(9\frac{3}{5})(3\frac{1}{4})$

Convert mixed number to an improper fraction

$9\frac{3}{5}=9+\frac{3}{5}=\frac{9*5+3}{5}=\frac{48}{5}$

$3\frac{1}{4}=3+\frac{1}{4}=\frac{3*4+1}{4}=\frac{13}{4}$

substitute

$distance=(\frac{48}{5})(\frac{13}{4})=\frac{624}{20}=31,2\ miles$

Convert to mixed number

$31.2\ mi=31+0.2=31+\frac{1}{5}=31\frac{1}{5}\ miles$

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3 years ago

Find Each Difference.<br> 1) 2-(-2)=<br> 2) (-1)-10=<br> 3) 8-7=<br> 4) (-8)-(-6)

Afina-wow [57]

Answer:

1) 4

2) -11

3) 1

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Step-by-step explanation:

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3 years ago

A flat-creen tv costs $1,400.00. the tv is on sale for 35% off. what is the discounted price of the tv

Vinvika [58]

$910.00 is the answer

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3 years ago

Find a consecutive odd numbers where the sum of the first three numbers is 15 greater then the final two numbers.

xenn [34]

Answer:

15, 17, 19

Step-by-step explanation:

x + x+2 + x+4 = 15 + (x+2 + x+4)

3x + 6 = 15 + 2x + 21

x = 15

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x+4 = 19

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3 years ago