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3 years ago

PLEASE LEND ME A HAND! I NEED IT BADLY!!!

Mathematics

2 answers:

Juli2301 [7.4K]3 years ago

7 0

Hello! Charchar here!

Answer:

1. 2 5/8 is a mixed fraction now convert it is proper fraction (2×8+5) /8

( 16+5) /8 21/8 in decimal form is 2.625 so A

2. D divide 11 by 3

Step-by-step explanation:

Hope this helps! Brainly please! <3 Have a nice day

V125BC [204]3 years ago

3 0

Answer:

The first one is A

The second one is B

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2 years ago

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Step-by-step explanation:

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3 years ago

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2 years ago

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A 30 gram sample of a substance that's used to sterilize surgical instruments has a k-value of 0.1235. Find the substances half

jok3333 [9.3K]

Answer : The substances half life in days is, 5.6 days.

Step-by-step explanation :

Half life : It is defined as the amount of time taken by a radioactive material to decay to half of its original value.

All radioactive decays follow first order kinetics.

The relation between the half-life and rate constant is:

$k=\frac{0.693}{t_{1/2}}$

where,

k = rate constant = 0.1235 per days

$t_{1/2}$ = half-life

Now put all the given values in the above formula, we get:

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3 years ago

Ralph bought a computer monitor with an area of 384 square inches. The length of the monitor is six times the quantity of five l

Lynna [10]

Answer:

eh width = 103.5 inches

Step-by-step explanation:

x = width

Length = (x/2 - 5 )*6

so 384=x+3x-30

414=4x

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2 years ago