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3 years ago

A tool set is on sale for 424.15$. The original price set was 499.00$. What percent of the original price is the sale price?

2 answers:

7 0

First you take the original set and subtract it by the sale set. After that you take you new answer and divide it by the original and you will get a percent that you can round too

SVEN [57.7K]3 years ago

4 0

( x = percent )

x/100 times 424.15/ 499

499x = 424.15
divide both sides by 499

x = 0.85 or 85%

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A triangle has two constant sides of length 5 feet and 7 feet. The angle between these two sides is increasing at a rate of 0.9

o-na [289]

Answer: $12.74 ft^2/s$

Step-by-step explanation:

Given

Two sides of triangle of sides 5 ft and 7 ft

and angle between them is increasing at a rate of 0.9 radians per second

let $\theta$ is the angle between them thus

Area of triangle when two sides and angle between them is given

$A=\frac{ab\sin C}{2}$

$A=\frac{5\times 7\times \sin \theta }{2}$

Differentiate w.r.t time

$\frac{\mathrm{d} A}{\mathrm{d} t}=\frac{35\cos theta }{2}\times \frac{\mathrm{d} \theta }{\mathrm{d} t}$

at $\theta =\frac{\pi }{5}$

$\frac{\mathrm{d} A}{\mathrm{d} t}=\frac{35\times cos(\frac{\pi }{5})}{2}\times 0.9$

$\frac{\mathrm{d} A}{\mathrm{d} t}=12.74 ft^2/s$

4 0

3 years ago

Which number is between 7.17 x 10^4 and 8.17 x 10^5

xxTIMURxx [149]

Answer:

71701,71702, 71703 etc

Step-by-step explanation:

Given :

$7.17$ × $10^{4}$ and 8.17× $10^{5}$

Now

$7.17$ × $10^{4}$ =71700 and

8.17× $10^{5}$ =817000

There are so many numbers between 71700 and 817000

Like: 71701,71702, 71703 etc

8 0

3 years ago

Question 4 of 17

Vlada [557]

Answer:

I think it is A OR D

4 0

3 years ago

Which polynomial is in standard form?

Tamiku [17]

Answer:

D). $5x^7y^2+7x^6y^5-14x^3y^7+51x^2y^9$

Step-by-step explanation:

For better clarity let us re write the options

A). $2xy^3+3x^3y^4-4x^4y^5+9x^5y^6$

B). $8x^5-5y^4-2xy^5+x^2y$

C). $x^3y^2-3x^2y-9x^4y^3+11x$

D). $5x^7y^2+7x^6y^5-14x^3y^7+51x^2y^9$

To express polynomial with mixed variables in standard form, we begin by the highest coefficient of x to the smallest (we place high precedence on the coefficient x terms)

5 0

3 years ago

2.432 2.09 2.190 2.37 least to greatest

Rus_ich [418]

2.09, 2.190, 2.37, 2.432

Hope this helps!

5 0

3 years ago

Read 2 more answers