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Goryan [66]
3 years ago
6

Simplify: (–4) • (9) – (5) • (–2)

Mathematics
1 answer:
Likurg_2 [28]3 years ago
3 0
-4 x 9 - (-10)

= - 45 + 10
= - (45 - 10)
= - 35

Rule: Negative times positive is negative; Negative times negative is positive
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7 0
3 years ago
Willie and anjali each improved their yards by planting daylilies and ivy. They bought their supplies from the same store. Willi
Fiesta28 [93]

Answer:the cost of one day lily = $9 and cost of one pot of ivy = $2

Step-by-step explanation:

Step 1

let day lilies be rep as d

and ivy be represented as i

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12 d+ 4i = 116 ---- equation 1

and for Anjali spending  $60 on 6 day lilies and 3 pots of ivy be

6d+ 3i = $60------ equation 2

Step 2 --- Solving

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6d+ 3i = $60------ equation 2

Multiply equation 2 by (2) and subtracting equation 1  from it

12d+ 6i= 120

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i = 4/2 = 2

TO find d, putting the value of i = 2 in equation 1 and solving

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5 0
3 years ago
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