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Bingel [31]
4 years ago
12

Simplify -X-Y+(-2x-y-1)

Mathematics
2 answers:
Allisa [31]4 years ago
8 0

<u>Answer:</u>

−3x−2y−1

<u>Step-by-step explanation:</u>

1. Remove parentheses.

−x−y−2x−y−1

2. Collect like terms.

(−x−2x)+(−y−y)−1

3. Simplify.

−3x−2y−1

enyata [817]4 years ago
7 0

Answer:

−3x−2y−1

Step-by-step explanation:

1. Remove the parentheses

−x−y−2x−y−1

2. Combine like terms

(−x−2x)+(−y−y)−1

3. Simplify

−3x−2y−1

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Colin invests £2350 into a savings account. The bank gives 4.2% compound
marin [14]

Answer:

Answer:

£3692

Step-by-step explanation:

A = p(1 + r/n)^nt

Where,

A = future value

P = principal = £2350

r = interest rate = 4.2% = 0.042

n = number of periods = 1(annual)

t = time = 4 years

A = p(1 + r/n)^nt

= 2350(1 + 0.042/1)^1*4

= 2350(1 + 0.042)^4

= 2350(1.042)^4

= 2350(1.5789)

= 2770.42

A = £2770.42

Total years = 10

Remaining years = 10 – 4

= 6 years

Remaining 6 years

P = £2770.42

r = 4.9% = 0.049

n = 1

t = 6

A = p(1 + r/n)^nt

= 2770.42(1 + 0.049/1)^1*6

= 2770.42(1 + 0.049)^6

= 2770.42(1.049)^6

= 2770.42(1.3325)

= 3691.59

A = £3691.59

Approximately £3692

Thank you!

5 0
3 years ago
Identify what type of polygon this is
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1. This is a nonagon. A nonagon is a 9-sided polygon; the figure has 9 sides.


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Answer:

9.75

Step-by-step explanation:

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1) y= 4

2) y= -10

Those are the answers
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