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densk [106]
2 years ago
14

206,690 subtracted by -232,500

Mathematics
2 answers:
AlekseyPX2 years ago
8 0
The answer is 439190
dedylja [7]2 years ago
4 0

Answer:

-25,810

Step-by-step explanation:

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I hope this I better than the blurry photo I took '-'​
Black_prince [1.1K]

Answer:The fourth option

decreases by 1 minute every 2 hours trained

Step-by-step explanation:

If y is how much it decreses its negative, and if the slope is -1/2 then they decrease by one for every 2 hours since the two represents x.

7 0
2 years ago
Solve the simultaneous equations
riadik2000 [5.3K]

Answer:

x = -2, y = 3

Step-by-step explanation:

2x + 3y = 5

5x - 2y = -16

In order to find the value of a variable, we must eliminate the other variable by multiplying the equations to get the same coefficient.

We can multiply the first equation by 5 and the second one by 2 to get the same coefficient for x, the equations then become:

10x + 15y = 25

10x - 4y = -32

Now we can subtract:

19y = 57

y = 3

Since we know the value of y, we can substitute it into one of the original equations:

2x + 3(3) = 5

2x + 9 = 5

2x = -4

x = -2

3 0
2 years ago
A hot air balloon holds 3,249 cubic meters of helium. The density of helium is 0.1785 kilograms per cubic meter. How many kilogr
professor190 [17]
We find the answer by using the density formula: d  =m/v
We know the density: 0.1785
We know the volume: 3,249
We DO NOT know the mass, so that is what we're trying to finding
0.1785 = m/3,249
Solve:
3,249 * 0.1785 = m/3,249 * 3,249
579.9465 which can be rounded to 579.9
The answer is D. 
5 0
3 years ago
Read 2 more answers
-2x + 10 +4x=70 (what is X?)
Dovator [93]

Answer:

x = 30

Step-by-step explanation:

-2x + 10 +4x=70

      -10          -10

-2x + 4x = 60

2x = 60

/2      /2

x = 30

8 0
3 years ago
Read 2 more answers
Write a fraction and a percent for the shaded portion of each one.
Cerrena [4.2K]
I dunno if im correct, but for A. I’d say 1/4 for B. I’d say 1 1/2 for C. 2/3
4 0
3 years ago
Read 2 more answers
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