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Westkost [7]
4 years ago
7

Catherine went on a trip to the Everglades. She spent 1/3 of her time exploring the swamp and 2/3 of the remaining time bird-wat

ching in other places. If she spent 27 minutes in the swamp, how much time did she have to enjoy bird-watching in other places? (PLEASE SHOW STEPS!)
Mathematics
1 answer:
valentinak56 [21]4 years ago
3 0
54 minutes 1/3 *2 =54
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What is 3a squared add 7 a
vfiekz [6]
The answer is:  " 9a² + 7a " .
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Note:    (3a)² + 7a = (3a)*(3a) + 7a = 9a² + 7a .
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3 0
3 years ago
Sandra deposited $2,500 into a simple interest account.
MakcuM [25]

Answer:

240$

Step-by-step explanation:

we know that

The simple interest formula is equal to

I=P(rt)

where

I is the Final Interest Value

P is the Principal amount of money to be invested

r is the rate of interest  

t is Number of Time Periods

in this problem we have

Sandra

t = 1 year

I= $75

P= $2,500

r= ?

substitute in the formula above

75=2,500 (r(1))

solve for r

r=75/2,500)

r= 0.03

Convert to percentage form

r= 0.03 * 100 = 3%

Ron

t=1 year

I = ?

P= 8,000

r= 0.03

substitute in the formula of interest

I = 8,000(0.03 *1)

I = $240

8 0
3 years ago
Surface area of this figure?
Lelechka [254]
Surface area is:
6*8=48
12*10=120
8*12=96
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7 0
3 years ago
An ant weighs 2 x 10^-3 grams, and a lion weighs 1 x 10^5. The lion's weight is 5 x 10^x times greater than the ant's weight. Wh
julsineya [31]

Answer:

x=7

Step-by-step explanation:

Information provided

Weight of ant=2*10^{-3} grams

Weight of lion=1*10^{5} but units are not provided, assuming this unit is also grams

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\frac {1*10^{5}}{2*10^{-3}}=50000000

=5*10^{7}

Therefore, the value of x=7 if the unit for weight of lion is assumed to be same as unit for weight of an ant

4 0
3 years ago
Write two shopping scenarios where multi-step equations can be written and solved.
Viefleur [7K]

Scenarios:

She went shopping on friday and spent 102.52$ and began with 201.24, and then on sunday she went again to shop and spent 58.2 and gave her friend 30.23$ to shop with. How much did she spend and how much does she still have.

Andrew went to the store and spent 403.54 on a PS4 and a 4 games, the PS4  costed 330.54 dollars, and the games all were the same price but the last game was 10$ more then the rest of the games, how much were the games?

Step-by-Step explanation:

3 0
3 years ago
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