3 years ago

Using the following quadratic formula, which choice is the standard form equation?

Mathematics

1 answer:

Anna [14]3 years ago

8 0

Answer:

i did this there is a website for the answers

Step-by-step explanation:

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The width of a rectangular is one-fifth as much as the length. The perimeter is 120 cm. Find the length and width.

enyata [817]

The length is 50 and the width is 10

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3 years ago

Nine minus 3 and 3/8

andriy [413]

Answer:6

Step-by-step explanation:

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3 years ago

C is the circumcenter of APQR.<br> PC=3x+7, RC=5x-15, & QC=51-X<br> x=[?]

amm1812

Answer:

x = 11

Step-by-step explanation:

C is the circumcenter of $\triangle PQR$

$\implies PC=QC=RC$ (Radii of same circle)

$\implies RC=QC$

$\implies 5x-15=51-x$

$\implies 5x +x=51+15$

$\implies 6x =66$

$\implies \: x = \frac{66}{6} \\ \\ \implies \: \huge \: \red{x = 11}$

8 0

3 years ago

HELP PLEASE ASAP!!! Khan Academy unit test!

dsp73

Answer:

As=0.13

Step-by-step explanation:

If we have central angle we use this rule to find area of sector :

$As=\pi r^{2}(\frac{C}{360})$

C is central angle. r is radius.

$As=\pi *9*\frac{\frac{9\pi }{17} }{360} =\\\\As=\pi *9*\frac{9\pi }{17*360} =\\\\$

Evaluate :

$\frac{798.63}{6120}=0.13$

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3 years ago

Find the missing measurements.

RUDIKE [14]

idek would it be x 90°? and f id

8 0

3 years ago

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