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2 years ago

Solve for x. 26x2–9x=0

Mathematics

1 answer:

Lilit [14]2 years ago

3 0

Answer:

x=0;x= $\frac{9}{26}$

Step-by-step explanation:

assuming you meant 26x^2-9x=0:

$26x^{2} -9x=0\\x(26x-9)=0\\x=0;x=\frac{9}{26}$

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A blimp can be seen flying at an altitude of 5500 feet above a motor speedway during a race. The slanted distance directly to th

Vladimir [108]

Answer:

The expression of h as function of x is h = $\sqrt{(d + 5500) (d - 5500)}$

Step-by-step explanation:

Given as :

The distance of blimp (AB) = 5500 feet

The slanted distance to the pagoda (BC) = d feet

The horizontal distance (AC) = h

Let the angle made between slanted distance and horizontal distance be Ф

So , cos Ф = $\frac{AC}{BC}$ = $\frac{h}{d}$

And sin Ф = $\frac{AB}{BC}$ = $\frac{5500}{d}$

∵, cos²Ф = 1 - sin²Ф

So, $(\frac{h}{d})^{2}$ = $1 - (\frac{5500}{d})^{2}$

Or, $(\frac{h}{d})^{2}$ = $(\frac{d^{2}- 5500^{2}}{d^{2}})$

Or, h² = d² - 5500²

∴ h = $\sqrt{d^{2}- 5500^{2}}$

Or, h = $\sqrt{(d + 5500) (d - 5500)}$

Hence The expression of h as function of x is h = $\sqrt{(d + 5500) (d - 5500)}$ Answer

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2 years ago

Round the following value to the nearest cent . $506.106 Im confused.

matrenka [14]

I would be 506.110 cause if it is over five then round it to ten

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2 years ago

None of my answers work on this? Either somethings not right or what..

Pavel [41]

Answer is below this comment :D

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1 year ago

Liam is making party favors. He has 7/8 pound of trail mix and wants to put 1/8 pound in each party favor. How many party favors

Gemiola [76]

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2 years ago

Inequality Show your step by step solution to this. 5-2x>17

bonufazy [111]

Answer: x<-6 *The answer should be the negative sign.*

Step-by-step explanation:

subtraction property of equality is subtracting the same number from both sides of an equation does not change the equation.

subtract 5 both sides of an equation.

5-2x-5>17-5

simplify.

-2x>12

multiply by -1 both sides of an equation.

(-2x)(-1)<12(-1)

simplify.

2x<-12

divide by 2 both sides of an equation.

2x/2<-12/2

-12/2=-6

12/2=6

6*2=12

12/6=2

x<-6

Hope this helps!

Thanks!

Have a great day!

3 0

2 years ago