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3 years ago

10

PLEASE ANSWEEEEERRRR

2 answers:

saul85 [17]3 years ago

8 0

Answer:

D

Step-by-step explanation:

D

Alex73 [517]3 years ago

5 0

All of the above options are true, so the answer is choice D.

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Hey again.. Please answer!!

Molodets [167]

Answer:

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Step-by-step explanation:

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2 years ago

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Help pls is geometry

Burka [1]

Answer:

C) 16, 6

Step-by-step explanation:

Set AB and DC equal to eachother. 4x = x + 12.
Subtract x from both sides. 3x = 12
Divide by 3 to get x alone. x = 4
Plug this x value in the equation for AB. 4•(4) = 16
We know the AD equals 6, so that will be one of the values and we now know that AB equals 16.

7 0

3 years ago

Help please! this is my third time posting this!! T.T

ArbitrLikvidat [17]

Answer:

see below

Step-by-step explanation:

24 - 3 x = -27

Subtract 24 from each side

24-24 - 3 x = -27-24

-3x =-51

Divide each side by -3

-3x/-3 = -51/-3

x = 17

Check

24 -3(17) = -27

24 -51 = -27

-27 = -27

8 0

3 years ago

Helppppp me pls could u.

Daniel [21]

Answer: 242.08
299.04/ 42 =__ , __ 34= 242.08

5 0

3 years ago

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In preparing a certain ointment, a pharmacist used 28.35 g of zinc oxide instead of the 31.1 g called for. Calculate the percent

Vilka [71]

Answer: 9.70%

Step-by-step explanation:

The formula to find the percentage error is given by :-

$\%\text{ error}=\dfrac{|\text{Estimate-Actual}|}{\text{Actual}}\times100$

Given : Actual mass of zinc oxide used by pharmacist = 28.35 g

Estimated mass of zinc oxide used by pharmacist =31.1 g

Now, $\%\text{ error}=\dfrac{|31.1-28.35|}{28.35}\times100$

i.e. $\%\text{ error}=\dfrac{2.75}{28.35}\times100$

i.e. $\%\text{ error}=9.70017636684\approx9.70\%$

Hence, the percentage of error on the basis of the desired quantity.= 9.70%

5 0

3 years ago