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Novay_Z [31]
1 year ago
11

Frank measured 56 cm. The actual length was 61 cm. Which expression shows his percent error?

Mathematics
1 answer:
GarryVolchara [31]1 year ago
8 0

Answer: 8.54701% difference

Step-by-step explanation: (61-56)/[(61+56)/2] x 100= 8.55%

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7.1x10^-2 as an ordinary number
Sonja [21]
Hey there,

So let's start off with one part of this equation . . . 


10^{-2} would be 0.01.

So, we have 0.01 has our answer (so far).
 
Then we would do 7.1 × 0.01, this would give us  . . .

0.071.

Your correct and final answer would be \boxed{0.071}

Hope this helps you!

~Jurgen
3 0
2 years ago
Pam served her apple pie on a 13 inch diameter dish. She wanted to tie a ribbon around the dish to make it a little more festive
zlopas [31]

Answer:

Length of ribbon = 40.86 inches

Step-by-step explanation:

Length of the ribbon = circumference of the dish = πD

D = diameter = 13 inches

Length of ribbon = 22/7 x 13 = 40.857143 inches

8 0
2 years ago
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it is sixty-eight kilometres between venice and vicenza. every day the train does the journey four times. how far does the train
myrzilka [38]
68×4≈272. easy use ur calculator ii will help u more. have fun ejoy ur day
8 0
1 year ago
If HJ= 7x-27 . Find the value of x
Alinara [238K]

we are given

HJ=7x-27

Since, we have to solve for x

so, we will isolate x on anyone side

step-1: Add both sides 27

HJ+27=7x-27+27

HJ+27=7x

step-2: Divide both sides by 7

HJ+27=7x

\frac{HJ+27}{7}= \frac{7x}{7}

now, we can simplify it

\frac{HJ+27}{7}= x

x=\frac{HJ+27}{7}................Answer


7 0
2 years ago
Read 2 more answers
I talk to an average of 8 customers per hour during an 8 hour shift and need to increase the amount of customers i help by 20%,
lbvjy [14]

Answer:

The number of customer needed to achieve is 34

Step-by-step explanation:

Given as :

The number of customer per hour = 8

The time taken = 8 hours

The rate of increase = 20 %

Let The increase in number of customer after 20 % increment = x

So ,  The number of customer after n hours = initial number × (1+\dfrac{\textrm rate}{100})^{n}

or, The number of customer after 8 hours = 8 ×  (1+\dfrac{\textrm 20}{100})^{8}

or, The number of customer after 8 hours = 8 × 4.2998

∴The number of customer after 8 hours = 34.39 ≈ 34

Hence The number of customer needed to achieve is 34  answer

8 0
2 years ago
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