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ipn [44]
3 years ago
8

P - 3.1(6) =-2.1(2) what is the answer and explained

Mathematics
1 answer:
harina [27]3 years ago
4 0

Answer:

P = 14.4

Step-by-step explanation:

Multiply out -3.1(6) and -2.1(2).

P - 18.6 = - 4.2

Add - 18.6 to the other side of the Equation.

P = 14.4

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The houck family's train traveled 552 miles in 6 hours. The Roberts family traveled at 744 miles in 8 hours which family is trav
rusak2 [61]

Answer: Both families were travelling at the same speed/rate of 1mile/0.65mins or 1mile/0.01hr.

Step-by-step explanation: Speed of Houck family's train = 552m/6hrs

speed of Robert family's train = 744m/8hrs.

Therefore considering Houck speed,

552miles = 6hours

1mile = (6 x 60)/552

= 360/552

= 0.65minutes. Average speed = 1mile/0.65mins. Or 1mile/0.01hr

For Robert

744miles = 8hours

1mile = ( 8 x 60 )/744

= (480/744)minutes

= 0.645

= 0.65minutes. Average speed = 1mile/0.65mins. Or 1mile/0.01hr

Conclusion: Both families were travelling at the same speed/rate.

To get that minutes in hour, just divide by 60 to get concert to hours.

6 0
3 years ago
After years of maintaining steady population of 32,000 the population of town begins to grow exponentially. After 1 year and an
GuDViN [60]

Answer: y = 32,000(1.08)^c

Step-by-step explanation:

Given that the initial population

P = 32000

t = 1 year

R = 8%

Y = 34,560

To predict y the number of people living in town after x years

t = x

Y = P(1 + 8%)^t

Y = 32000( 1.08)^x

5 0
3 years ago
Find the surface area and volume of a cube with sides of 5.5 cm each.
djyliett [7]

Answer:

Area: 181.5

Volume: 166.4

Step-by-step explanation:

Hope this helps.

6 0
3 years ago
What are square meters
marissa [1.9K]
A unit area measurement equal to a square measuring one meter on each side
6 0
3 years ago
What is the new cost if a $2.75 toy is marked up by 29%?
Nostrana [21]

Answer:

$3.55

Step-by-step explanation:

You need to add 29% of $2.75 to $2.75.

That means the price will be 129% of $2.75.

129% of $2.75 =

= 1.29 * $2.75

= $3.55

5 0
3 years ago
Read 2 more answers
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