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Hoochie [10]
3 years ago
9

There are 20 cars in a lot and three of them leave how many are left

Mathematics
1 answer:
Archy [21]3 years ago
4 0

Answer:

17

Step-by-step explanation:

becuase 20 -3 = 17

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Solve x3 = 64 over 27
Rzqust [24]
What do I solve it seems solved to me or just a number sentence

7 0
3 years ago
Math! Answer to 1&2?
Jobisdone [24]

Answer:

the number 1 is going to be B and number 2 is going to be C

Step-by-step explanation:

hope this helps

5 0
3 years ago
Solve for x,y, and z
Lostsunrise [7]
Equation 1)  3x + 2y - 5z = 3
Equation 2)  4x - 2y - 3z = -10
Equation 3)  5x - 2y - 2z = -11

Add equation 1 with equation 2.

Equation 4)  7x - 8z = 7

Then subtract equation 3 from equation 2.

Equation 5)  -x -z = 1

Multiply all of equation 5 with 7.

5)  -7x - 7z = 7
4)  7x - 8z = 7

Add equations together.

z = 14

Plug in 14 for z in equation 4.

7x - 8z = 7

7x - 8(14) = 7

7x - 112 = 7

7x = 119

x = 17

Plug in 17 for x in equation 1, and 14 for z.

1)  3x + 2y - 5z = 3

3(17) + 2y - 5(14) = 3

51 + 2y - 70 = 3

2y - 19 = 3

2y = 22

y = 11

So, x = 17, y = 11, and z = 14

~Hope I helped!~



3 0
3 years ago
What is the greatest common multiple of 24 and 60?
tiny-mole [99]

the greatest common multiple of 24 and 60 is 12

7 0
3 years ago
Suppose a city with population of 400,000 has been growing at a rate of ​5% per year. If this rate​ continues, find the populati
kakasveta [241]

The number of years value isn't given, we could use an hypothetical value, which can be substituted for the correct number of years given in your exercise in other to find the exact answer.

Using a t value of 10 years

Answer:

651558

Step-by-step explanation:

Given that:

Initial population, P0= 400,000

Growth rate, r = 5%

Using the relation :

P(t) = P0 * (1 + r)^t

t = number of years = 10

P(10) = 400000 * (1 + 0.05)^10

P(10) = 400000 * (1.05)^10

P(10) = 400000 * 1.628894626777

P(10) = 651557.8507

= 651558 nearest whole number.

Recall that, the t value used is hypothetical and should be replaces with te exact value given in your question.

7 0
3 years ago
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