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madreJ [45]
3 years ago
12

Hassan predicted that he would sell 178 postcards. He actually sold 142 postcards. What are the values of a and b in the table b

elow?
Percent Error

Item
Approximate value
Exact value
Error
Absolute error
Ratio
Percent error
Postcards
178
142
a
b


a = negative 36; b = negative 36
a = negative 36; b = 36
a = 36; b = negative 36
a = 36; b = 36
Mathematics
1 answer:
antoniya [11.8K]3 years ago
7 0

Answer:

its b

Step-by-step explanation:

took the test on edge

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What's the measure of ABD, DBK, and KBC? Show all work.
Andrew [12]

Answer:

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Step-by-step explanation:

Since BK is a bisector of ABC at B,

this implies that:

ABC = ABK + KBC

ABC = 28.3 + 28.3

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5 0
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An item originally costs $16.95 and is on sale for 22% off the original price. The sales tax is 6.5%. Find the cost of the item
olga_2 [115]

Answer:

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Step-by-step explanation:

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8 0
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A right angle has an area of 13m*2. The dimensions of the triangle are increased by a scale factor of 3. What is the area of the
Alex_Xolod [135]

The answer is: 117m²

The explanation is shown below:

1. You have the following information given in the problem:

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5 0
3 years ago
What is the sum of 4 and its additive inverse?<br> 
vovangra [49]

Answer:

what do you mean inverse

Step-by-step explanation:

4 0
2 years ago
Read 2 more answers
If the measure of arc FF=47 and the measure of angle ACD=55, determine the measure of arc BD. I really need help with this, than
Llana [10]

Answer:

  d.  8°

Step-by-step explanation:

It appears as though you intend ∠ECF and ∠ACB to be vertical angles, hence the same measure, 47°. The angle of interest, ∠BCD, is added to that to make ∠ACD, which is 55°. The added angle must be 55° -47° = 8°.

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