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3 years ago

11

What is the relationship between percents and decimals

1 answer:

Marizza181 [45]3 years ago

7 0

Decimals and percentages are both systems of designating parts of a whole. 25% of an object is the same as 1/4 of an object which is the same as .25 of an object.

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Which expression is equal to sec x° multiplied by cot x°?

Over [174]

Sec x is equal to 1/cosx, cot x is equal to cosx/sinx. cos x cancels, and you are left with 1/sinx. this is equal to cscx. Cosecant is : hypotenuse / opposite, so the answer is **D**

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2 years ago

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8(x-a) = 2(2a - x). Solve for. X

Mariulka [41]

Hey! Your answer would be x = 6a/5

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2 years ago

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Write the equation for a circle that satisfies the given conditions.

Alisiya [41]

The standard form of a circle is:

$(x-a)^2+(y-b)^2=r^2$

Your center is $(-10, -6)$ and your radius is $9$

Plug them into the equation and you get

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$(x+10)^2 + (y+6)^2=81$

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2 years ago

There are 1420 students enrolled at Senn. If 60% of these students walk to school, how many students are walking to school?

pychu [463]

Answer:

852 students walking to school

Step-by-step explanation:

Lets start with a simple example so you can get it

if 60% of 100 students walk to school that means

60 students walk to school... right??

so lets simplify it more that means you have multiplied 100 (students) by 60%

or $\frac{60}{100}$ (note: you can say that 60% is equal to $\frac{60}{100}$ )

so the problem told 60% of 1420 students walk to school that means we should

do this: $1420*\frac{60}{100} = 852$

3 0

2 years ago

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What is 70% (percent) of 80?

romanna [79]

70 percent of 80 is 56.

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2 years ago

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