3 years ago

I'LL MARK BRAINLIEST. thanks

Mathematics

1 answer:

SCORPION-xisa [38]3 years ago

6 0

Answer:

Bro resend your question with image

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A 250 mL beaker can hold 0.192 kg of acetone. What is the density of this substance, in g/mL? Round your answer to 3 significant

Andreyy89

Density = m/v with mass being in grams and volume in mL......
192 grams/250 mL = 0.768 g/mL

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3 years ago

On Wednesday,Felipe drove 150 miles. This was 3 times the he distance he drove on Monday and 40 miles more than they drove on Tu

insens350 [35]

36 take 150-40 then you would want to decide 3 from 110

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3 years ago

Solve –3x^2 – 4x – 4 = 0

raketka [301]

-3x^2-6x+2x-4 =-3x (x-2)+2 (x-2) =(-3x+2)(x-2) -3x+2=0 X=2/3 X-2=0 X=2 Hope it helps! !!!!

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2 years ago

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The area of a rectangular plank is 4500 cm². The plank was broken into two pieces, one of which is a square and the other a rect

svp [43]

Answer:

$Xs=30cm$ and $As=900 cm^{2}$

Step-by-step explanation:

At=As+Ar; A=b.h and $At=4500 cm^{2}$ , then: At=(x+120)x so

(x+120)x=4500, $x^{2} +120x-4500=0$ Applying cuadratic equation formula: $\frac{120+-\sqrt{120^{2} -4.1.-4500} }{2} =-\frac{120+-\sqrt{14400+18000} }{2}= x1=30 and x2=-150, finally Xs=30cm, and As=900cm^{2}$

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3 years ago

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Is 24 more then 40%? Why?

klasskru [66]

Answer: it isn’t possible to compare.

Step-by-step explanation:

Percents represent parts of something, and 24 is an actual number.

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2 years ago

I'LL MARK BRAINLIEST. thanks​

I'LL MARK BRAINLIEST. thanks