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3 years ago

13. Reason abstractly. If you subtract a negative number from

2 answers:

8 0

Subtracting a negative number is like removing debt. When you remove debt, you effectively gave someone money and the value of their bank account increased.

Another answer is that “subtraction is addition of the opposite,” so subtracting a negative number is really adding a positive number, which again causes the other number to increase.

solong [7]3 years ago

6 0

Hi! I'm happy to help!

When you remove a negative, you are removing the thing that decreases, which causes stuff to increase.

I hope this was helpful, keep learning! :D

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The h.w. grant corporation used regression analysis to predict the annual cost of indirect materials. the results were as follo

grin007 [14]

Indirect material cost: y
explained by units produced: x
Linear regression. Cost estimation equation: y=mx+b
Constant: b=$15,640
Standard error of y estimate=$3,600
r^2=0.7704
Number of observations: n=22
x coeffient: m=11.25
Standard error of x coefficient=2.19

m=11.25, b=15,640 → y=11.25x+15,640

Answer: The cost estimation equation is y=11.25x+15,640

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Answer:

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Step-by-step explanation:

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What is the area of the hexagon, A, B, C, or D? (With short explanation please)

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Taryn is shopping for a Christmas tree. At Home Depot the one she likes is $149.00 and she has a 15% off coupon. At Lowe's the o

Vitek1552 [10]

Answer:

Step-by-step explanation:

At home depot

Price of Christmas tree = $149.00

Discount = 15%

Amount discounted = 15% of $149

Amount discounted = 15/100 * $149

Amount discounted = 15 * 1.49

Amount discounted = $22.35

Amount she paid = $149-$22.35

Amount she paid = $126.65

At Lowe's:

Price of Christmas tree = $175.00

Discount = 260%

Amount discounted = 20% of $175

Amount discounted = 20/100 * $175

Amount discounted = 0.2 * 175

Amount discounted = $35

Amount she paid = $175-$35

Amount she paid at Lowe's = $140

From the prices above, it can be seen that Home Depot has a better deal since the price after removing discount is lower than that of Lowe's.

Amount she will save will be $140 - $126.65 = $13.35

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3 years ago