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dedylja [7]
2 years ago
9

Can u guys show the work for 7÷10? I know it's 0.7 but I need to show my work but I don't know how​

Mathematics
1 answer:
sashaice [31]2 years ago
4 0
Write it down with long division,
7
%10
———
0.7


Explanation:
Sounds like my problem in math class, I always do mental math, and the teacher always asks me to show my work.

So anyway, 7/10 with work being shown would be… uh complicate the math.
Set it up as long division.
So 7/10 (I hope you know how to set up long division, because I can’t type it.)
And just solve it with that. It’s not going to be different, but it will have the appearance that you used an on paper equation to solve it.

Hope this helps!
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I need help, been stuck on this question. pls help me out!
Gemiola [76]

Answer:

1000

Step-by-step explanation:

40x50=2000

2000/2=1000

4 0
2 years ago
Find the value of x in each triangle. Please help me <33
frozen [14]

Answer:

x = 11

Step-by-step explanation:

The sum of the 3 angles in a triangle = 180°

sum the 3 angles and equate to 180

5x + 4 + 6x - 3 + 4x + 14 = 180 ← collect like terms on left side

15x + 15 = 180 ( subtract 15 from both sides )

15x = 165 ( divide both sides by 15 )

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6 0
2 years ago
Water whose temperature is at 100∘C is left to cool in a room where the temperature is 60∘C. After 3 minutes, the water temperat
Tju [1.3M]

Answer:

21.68 minutes ≈ 21.7 minutes

Step-by-step explanation:

Given:

T=60+40e^{kt}

Initial temperature

T = 100°C

Final temperature = 60°C

Temperature after (t = 3 minutes) = 90°C

Now,

using the given equation

T=60+40e^{kt}

at T = 90°C and  t = 3 minutes

90=60+40e^{k(3)}

30=40e^{3k}

or

e^{3k}=\frac{3}{4}

taking the natural log both sides, we get

3k = \ln(\frac{3}{4})

or

3k = -0.2876

or

k = -0.09589

Therefore,

substituting k in 1 for time at temperature, T = 65°C

65=60+40e^{( -0.09589)t}

or

5=40e^{( -0.09589)t}

or

e^{( -0.09589)t}=\frac{5}{40}

or

e^{( -0.09589)t}=0.125

taking the natural log both the sides, we get

( -0.09589)t = ln(0.125)

or

( -0.09589)t = -2.0794

or

t = 21.68 minutes ≈ 21.7 minutes

6 0
3 years ago
Which decimal number is equal to 1818 ?
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0.125 the first one, even though im not sure.
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3 years ago
The equation A = (x)(x - 2) describes the area, A, of a triangular sand box, where x is the length of the base in feet. What wou
anyanavicka [17]
Answer is A number 2
7 0
3 years ago
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