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3 years ago

30 is what percent of 64....

Mathematics

1 answer:

Kryger [21]3 years ago

6 0

Take the 30 and divide it by 100 and you get the percent.
Ex. 30/100 = .3

Then multiply 64 by the percent.
64 x .3 = 19.20

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10×+2=7 what is equal to 2x?

lakkis [162]

$x in (-oo:+oo)

2/7 = 2*x // - 2*x

2/7-(2*x) = 0

2/7-2*x = 0

2/7-2*x = 0 // - 2/7

-2*x = -2/7 // : -2

x = -2/7/(-2)

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3 years ago

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Please help ASAP! 20 points!!

steposvetlana [31]

Answer:

They are increasing at the same rate.

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2 years ago

11. Given: TQ bisects ZRTP, QS || PT<br> RT = 30. Find QP, RS and QS

yaroslaw [1]

QP=24 cm

RS=11.25 cm

QS=18.75 cm

<u>Explanation</u>:

Given that TQ bisects <RTP

$therefore$ (1)

consider ΔRQS and ΔRPT

QS||PT,RP and RT are transversals

(alternate angles)(2)

comparing (1) and (2)

and triangle SQT is isocelus

Therefore SQ=ST(sides opposite to equal angles in an isocelus triangle)

Therefore <RQS=<RPT(corresponding angles)

<RSQ=<RTP(corresponding angles)

therefore by AA criterion for similarity

ΔRQS~ΔRPT

According to the property of similar triangles

$RQ/RP=RS/RT=QS/PT$ $9/RP=X/30=QS/50\\9/RP=X/30=(30-X)/50\\X/30=(30-X)/50\\50X=30(30-X)\\50X=900-30X\\50X+30X=900\\80X=900\\X=900/80=11.25\\RS=11.25 cm\\QS=30-X=30-11.25\\QS=18.75 cm\\9/RP=X/30\\9/RP=11.25/30\\9*30/11.25=RP\\RP=24 cm$

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3 years ago

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MAXImum [283]

12.8-12.4=0.4

0.4 divide by 12.4 = 0.0322

0.0322 x 100 = 3.22%

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3 years ago

Can someone help me !! And PLEASE SHOW YOUR WORK

Alona [7]

The formula for the area of a trapezoid is A=1/2(base one+base two)h
All you have to do is find the base one, base two, and height using the given information and then plug it into the equation.

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3 years ago