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VARVARA [1.3K]
3 years ago
15

I will give you BRAINLIEST for the correct answer

Mathematics
1 answer:
Alekssandra [29.7K]3 years ago
8 0
6 x 18 x 20 = 2,160 divided by 3 equals 720
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Which of the following is the Spanish expression for "me too"?
alisha [4.7K]
The answer is A.) Yo también

The other choices mean
B. And you?
C. See you later or bye
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Three angles are in the ratio 2 : 3 : 5 The smallest angle is 50 degrees Work out the sizes of the other two angles
kvasek [131]

Answer:

Step-by-step explanation:

Let angles are 2x,3x,5x

So given 2x=50

X=25.

3x=3×25=75.

5x=5×25=125.

7 0
3 years ago
Work out. 2/11 + 3/5
Helen [10]
.781111111 repeating. or 43/55
3 0
3 years ago
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Elimination using addition and subtraction. <br> -4x+4y=-20<br> -2x+4y=-2
goldfiish [28.3K]

I would subtract the 2nd from the first one

so -4x - -2x = -2x

4y - 4y = 0

-20 - -2 = -18


-2x = -18

now I would divide that by -2 to get the value for x

so no we have x = 9


now you just have to substitute that into one of the equations and simplify to get y


-2 X 9 + 4y = -2

-18 + 4y = -2

4y =16

y = 4



3 0
3 years ago
Read 2 more answers
Please help with this question
alekssr [168]

Step-by-step explanation:

so, that means we want to find the time t (days) after which N = No/2

because "half-life" means the amount of time until half of the substance has disappeared (or transformed into something else).

so, we have

No/2 = No × e^(-0.1481×t)

No = 2× No × e^(-0.1481×t)

1 = 2×e^(‐0.1481×t)

1/2 = 0.5 = e^(-0.1481×t)

ln(0.5) = -0.1481×t

t = ln(0.5)/-0.1481 = 4.680264555... ≈ 4.7 days

8 0
2 years ago
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