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Olenka [21]
4 years ago
12

Please help me:/ i have 20 mins:(

Mathematics
1 answer:
Roman55 [17]4 years ago
6 0

Answer:

X= 14

Y = 140

Step-by-step explanation:

9x+14+3x-2=180

12x=168

x=14

9x+14=y

9(14)+14=y

140=y

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310 cm 2

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4 years ago
Cindy Lou deposited $85 in the bank earning 4.5% interest annually. About how many years will it take her to earn $11.48 in inte
Bogdan [553]

Answer:

3.00 years

Step-by-step explanation:

Cindy Lou deposited $85 in the bank earning 4.5% interest annually. About how many years will it take her to earn $11.48 in interest?

Your answer

Given data

Principal= $85

Rate= 4.5%

Intterest=  $11.48

The simple interest formula is

SI= PRT/100

11.48= 85*4.5*T/100

cross multiply

11.48*100= 85*4.5*T

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Hence the time is 3 years

3 0
3 years ago
HELP ME PLEASEEEEE i need this now
OleMash [197]

Answer:

195 yd^2

Step-by-step explanation:

Formula: A = \frac{pq}{2}

p = 7.5 + 7.5 = 15

q = 13 + 13 = 26

A = \frac{26*15}{2}

A = 195

5 0
3 years ago
Read 2 more answers
7x-2(x+5)=5(5x+9) someone please help me
lilavasa [31]
7x - 2x - 10 = 25x + 45
5x - 10 = 25x + 45
5x - 25x = 45 + 10
- 20x = 55
x = -55/20 = -11/4
6 0
3 years ago
Read 2 more answers
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