4 years ago

4(2 + 6v) You don't have to work t out if you don't want to.

Mathematics

1 answer:

shtirl [24]4 years ago

3 0

8+24v you need to show your work so here

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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

4 years ago

Help me and EXPLAIN plz

dalvyx [7]

Volume=length X breadth X height

hence, volume= 9.6 X 5 X 7 cubic millimeters

which is equal to 336 cubic mm

5 0

3 years ago

Help meeeeeeeeeeeeeee!!!!!!

koban [17]

Answer:

2x+3=9

2x=6

x=3

3w-1=14

3w=15

w=5

7y+2=30

7y=28

y=4

5x+20=35

5x=15

x=3

6c-12=48

6c=60

c=10

8m-4=20

8m=24

m=3

7w+13=90

7w=77

w=11

12p-18=30

12p=48

p=4

9w-5=67

9w=72

w=8

10a+40=100

10a=60

a=6

9x-24=84

9x=108

x=12

7w+1=1

7w=0

w=0

your welcome

8 0

3 years ago

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GIVE AN EXPLANATION PLEASE! 20 POINTS!! AND A BRAINLEEST IF TWO OR MORE PEOPLE HAVE ANSWERED IT. (FIRST COME FORST SERVE BASES +

Vlad1618 [11]

witw6oweo6ssitsi5sutaurzhfztzjxisi5

4 0

3 years ago

8s+4(4s-3)=4(6s+4)-4

elena55 [62]

Answer:

There is no solution.

5 0

3 years ago