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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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Answer:

Required Expression : 7·(s + d) - 25

Step-by-step explanation :

Cost of each plant both buys = $7

No. of plants Stephanie wants to buy = s

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Total cost of plants bought by Diego = 7·d

Total cost = 7·s + 7·d

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Discount applied through coupon = $25

So, Total cost of all their plants with discount = 7·(s + d) - 25

4 0
3 years ago
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yulyashka [42]
The answer is C because it like adding 11.40+00.40 and that would be 12:20
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Aleks04 [339]

Answer:

72 yd^{3}

Step-by-step explanation:

Volume for a triangular prism = \frac{1}{2} a · c · h

A = Height. C = Width.  H = Length.

A = 3 yd.  C = 8 yd.  H = 6 yd.

V = 114 yd.

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5 0
3 years ago
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djverab [1.8K]

Answer:

x=7

Step-by-step explanation:

Find slope first

m-\frac{y2-y1}{x2-x1}

m=\frac{6-5}{7-7}

m=\frac{1}{0}\\

m is undefined- so it is a vertical line

x=7

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3 years ago
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