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tekilochka [14]
3 years ago
12

What is the value of the expression below?

Mathematics
1 answer:
lozanna [386]3 years ago
6 0

Answer:

25x10^18/4   or    6.25x10^18

Step-by-step explanation:

2.5x10^33x5x10^-15/2

12.5x10^18/2

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The sum of 5 consecutive numbers is -5. What is the largest out of the numbers?
xxTIMURxx [149]
We can say that x is the largest number.

So the sum is x + (x - 1) + (x - 2) + (x - 3) + (x - 4) = -5

Now solve for x:

x + x + x + x + x - 1 - 2 - 3 - 4 = -5

5x - 10 = -5

5x = 5

x = 1

So the largest number is 1.

Check: 1 + 0 + -1 + -2 + -3   =   -2 + -3   =   -5 so 1 is correct.
3 0
3 years ago
A large container holds 5 gallons of water. it begins leaking at a constant rate. After 10 minutes the container has 3 gallons o
dolphi86 [110]
First we have to find how much water leaked
5galllons-3 gallons=2 galllos of water leaked
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Finally we can simplify it\frac{2 gallons}{10 minutes}= \frac{1 gallon}{5 minutes} - its the answer
7 0
3 years ago
What is the surface area and steps to get there
GrogVix [38]
So you want to find the area of each side
8X10=80
8x6=48
8x8=64
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80+48+64+60=252
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5 0
3 years ago
If John can paint half of a room in two-thirds of an hour, what part of the room can he paint in a full hour?
Firlakuza [10]

Answer:

<h2>0.75(3/4) part of the room</h2>

Step-by-step explanation:

Step one:

given data

we can express the given data mathematically as

John can paint 0.5room in 2/3 hours

let the part of the room he can paint in an hour be x

so

if he takes 2/3 hours to paint 0.5 room

then he will take 1 hour to paint x

cross multiply we have

x= 0.5/2/3

x=0.5*3/2

x= 1.5/2

x=0.75 part of the room

75/100= 15/20=3/4 part

5 0
3 years ago
7. Find f(9) when f(x) = 12 (17 – 3x) *​
Radda [10]

Answer:

-120

Step-by-step explanation:

6 0
3 years ago
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