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2 years ago

Help asap! i need to submit this soon and I don’t get it!

Mathematics

2 answers:

madreJ [45]2 years ago

4 0

Answer:

Step-by-step explanation:

linear must be straight

V125BC [204]2 years ago

3 0

No

linear functions are straight lines
the function shown is a parabola and is used with quadratic functions

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(-2/3, sqrt5/3) is a point on a unit circle. Find the cosine, cosecant, and sine of the angle.

Nana76 [90]

Look at the picture.

$\csc\theta=\dfrac{1}{\sin\theta}=\dfrac{1}{\frac{y}{r}}=\dfrac{r}{y}$

We have the right triangle x, y and r. From the Pythagorean theorem we have:

$r^2=x^2+y^2\to r=\sqrt{x^2+y^2}$

We have the point

$\left(-\dfrac{2}{3};\ \dfrac{\sqrt5}{3}\right)$

Substitute:

$r=\sqrt{\left(-\dfrac{2}{3}\right)^2+\left(\dfrac{\sqrt5}{3}\right)^2}\\\\r=\sqrt{\dfrac{4}{9}+\dfrac{5}{9}}\\\\r=\sqrt{\dfrac{9}{9}}\\\\r=1$

$\csc\theta=\dfrac{1}{\frac{\sqrt5}{3}}=\dfrac{3}{\sqrt5}=\dfrac{3\cdot\sqrt5}{\sqrt5\cdot\sqrt5}=\boxed{\dfrac{3\sqrt5}{5}}$

8 0

2 years ago

X⁴+x²+1+x⁴64445555555555555555<br><br>

bazaltina [42]

Answer:

2x⁴ + x² + 64445555555555555556

3 0

2 years ago

Help, need answer. do not need to be worked out

miv72 [106K]

Answer:

B 98

Step-by-step explanation:

4*7=28 times 3 = 84

3.5*4=14

84+14=98

Hope this helps! :)

3 0

1 year ago

Read 2 more answers

An employee earned $56,700.00 in a year and had $8,788.50 withheld for federal income tax. What federal income tax percent was w

alexandr1967 [171]

So earned 56,700 in a year and had 8,788.5 held back
convert to percent

so find what percent was withhelald which is (amount held back)/(total taken from)
so it would be 8,788.5/56,700=0.155/1
percent means parts out of 100 or x/100=x% so convert the bottom number ot 100 by mulitplyint the whole fraction by 1 or 100/100 so
0.155/1 times 100/100=15.5/100=15.5%
the answer is 15.5%

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2 years ago

HELP BEFO 7 PLEASE...

Kay [80]

160ft3

Hope this helps

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1 year ago