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solong [7]
3 years ago
8

A weather reporter in your area said that the speed of sound in air today is about one thousand one hundred feet per second. Wha

t is that speed in scientific notation?CLEAR CHECK1.1 × 103 feet per second1.1 × 104 feet per second1.1 × 10-3 feet per second1.1 × 102 feet per secondNEXTReferencecalculatorformulasglossaryCLOSELanguage
Mathematics
1 answer:
8_murik_8 [283]3 years ago
6 0
Okay so, the answer will be 1.1x10^3.
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Two brothers, Mark and Walter, each inherit $20000. Mark invests his inheritance in a savings account with an annual return of 2
Igoryamba

Answer:

$720

Step-by-step explanation:

$20000 - 100%

$x. - 2.5%

x=(20000*2.5)/100=500

20000+500=$20500 in one year (Mark)

20000 - 100

x. - 6.1

x= (20000*6.1)/100 = 1220

20000+1220= $21220 (Walter)

21220-20500= $720 more (Walter will have after 1 year)

3 0
3 years ago
H + 7 = −7<br> h = Plz help im having truouble.
Natalija [7]
-14 because -14 + 7= -7
8 0
2 years ago
A savings account deposit of $300 is to earn 5.8% interest. After how many years will the investment be worth $900?
KatRina [158]
900=300(1+0.058)^t divide each side by 300
3=1.059^t
Log(3)=t*log(1.058)
T=log(3)/log(1.058)
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7 0
3 years ago
What number gives a result of -8 when 11 is subtracted from the quotient of the number and 6?
forsale [732]

Answer:

18

Step-by-step explanation:

The formula X/6 - 11 = -8

Add 11 to both sides of the equation X/6 = 3

Multiply by 6 both sides to cancel out the division

X = 18

3 0
3 years ago
Solve for y 9x - y = -6x + 4y
Lyrx [107]

Answer:

y = 3x

Step-by-step explanation:

Given

9x - y = - 6x + 4y ( subtract 4y from both sides )

9x - 5y = - 6x ( subtract 9x from both sides )

- 5y = - 15x ( divide both sides by - 5 )

y = 3x

4 0
3 years ago
Read 2 more answers
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