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son4ous [18]
2 years ago
12

Solve for x. It's in the screenshot.

Mathematics
2 answers:
hram777 [196]2 years ago
6 0

Answer:

x = 14

Step-by-step explanation:

3x * 4 = -21 * -8

12x = 168

x = 168 / 12 = 14

gayaneshka [121]2 years ago
4 0

Answer:

24

Step-by-step explanation:

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0.3 kilometers equals how many miles
ivann1987 [24]

Answer:

0.18641136

Step-by-step explanation:

Formula for an approximate result, divide the length value by 1.60934

3 0
3 years ago
Read 2 more answers
An airplane flies from City A in a straight line to City B, which is 120 kilometers north and 180 kilometers west of City A. How
Lubov Fominskaja [6]

Answer: 216 kilometers

Step-by-step explanation:

You need the hypotenuse, this is the formula: h = √(a^2 + b^2)    

so...

√(120^2 + 180^2)

√(14400 + 32400)

√46800

216.33

5 0
3 years ago
A certain virus is dying off at a rate of 18% per hour. Initially there were
djyliett [7]

Answer:

3 strain would still alive after 48 hours

Step-by-step explanation:

Initial population of virus = 40000 grams

A certain virus is dying off at a rate of 18% per hour.

We are supposed to find  how much of the  strain would still be alive after 48 hours

Formula : N(t)=N_0(1-r)^t

N_0=Initial population

N(t)= Population after t hours

r = rate of decrease = 18% = 0.18

t = time = 48 hours

So,the  strain would still be alive after 48 hours=40000(1-0.18)^{48}=2.91 \sim 3

Hence 3 strain would still alive after 48 hours

3 0
3 years ago
Peter drove 1.5 hours at an average speed of 40 mph. He then drove for another 40km.
egoroff_w [7]

Answer:

john drove for 3 hours at a rate of 50 miles per hour and for 2 hours at 60 miles per hour. 

Step-by-step explanation:

5 0
2 years ago
Challenge The price of Stock A at 9 A.M. was $12.91. Since then, the price has been increasing at the rate of $0.11 each hour. A
enyata [817]

Answer:

In 2  2/15 hours, the prices will be same

Step-by-step explanation:

I hope this helps :)

3 0
2 years ago
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