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2 years ago

Please answer this it’s due soon

Mathematics

2 answers:

DaniilM [7]2 years ago

6 0

Answer:

Down

Step-by-step explanation:

As the lines of the parabola point down, the parabola opens down.

Kobotan [32]2 years ago

6 0

Answer:

Down

Step-by-step explanation:

When

the lines of the parabola point down, the parabola opens down.

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What is each expression written using each base only once? 8 ^ 8 x 8 ^ 4

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2 years ago

Please do It fast, I need it

jeka94

The reduction was 1/5.

Because you are given the reduced values, multiply the reduced value by the inverrse of the factor:

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The base is 25

6 0

2 years ago

A rectangle has a length of 17 less than 6 times it's width. If the area of the rectangle is 7585 square feet find the length of

anzhelika [568]

9514 1404 393

Answer:

205 ft

Step-by-step explanation:

Let w represent the width of the rectangle. Then the length is (6w-17) and the area is ...

A = LW

7585 = (6w-17)(w)

6w² -17w -7585 = 0

Perhaps most straightforward is using the quadratic formula to solve this.

For ax² +bx +c = 0, the solution is x = (-b±√(b²-4ac))/(2a). For the above quadratic, the solution is ...

$x=\dfrac{-(-17)\pm\sqrt{(-17)^2-4\cdot6\cdot(-7585)}}{2\cdot6}=\dfrac{17\pm\sqrt{182329}}{12}\\\\x=\dfrac{17\pm427}{12}=\{-34\frac{1}{6},37\}$

The width is 37 feet, so the length is ...

6(37) -17 = 205 . . . feet

The length of the rectangle is 205 feet.

8 0

2 years ago