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eduard
4 years ago
6

What is 7 divided by 20

Mathematics
1 answer:
Brut [27]4 years ago
4 0
<span>7 divided by 20 is </span>0.35
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What does 1/2+2/3+13/14 equal?
Nitella [24]
(1/2)+(2/3)+(13/14) the answer is 2.0952381
8 0
3 years ago
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The diagram shows a 5 cm x 5 cm x 5 cm cube.
mylen [45]

Answer:

~8.66cm

Step-by-step explanation:

The length of a diagonal of a rectangular of sides a and b is

\sqrt{a^2+b^2}

in a cube, we can start by computing the diagonal of a rectangular side/wall containing A and then the diagonal of the rectangle formed by that diagonal and the edge leading to A. If the cube has sides a, b and c, we infer that the length is:

\sqrt{\sqrt{a^2+b^2}^2 + c^2} = \sqrt{a^2+b^2+c^2}

Using this reasoning, we can prove that in a n-dimensional space, the length of the longest diagonal of a hypercube of edge lengths a_1, a_2, a_3, \ldots, a_n is

\sqrt{a_1^2 + a_2^2 + a_3^2 + \ldots + a_n^2}

So the solution here is

\sqrt{(5cm)^2 + (5cm)^2 + (5cm)^2} = \sqrt{75cm^2} = 5\sqrt{3cm^2} \approx 5\cdot 1.732cm = 8.66cm

5 0
3 years ago
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No its 17 tests and 3 weeks
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8 0
4 years ago
Which expression shows 10 less than a number n?<br> n + 10<br> n - 10<br> 10 - n
Butoxors [25]
The answer is n - 10
5 0
3 years ago
ASAP
muminat

Answer:

a) \left \{ {{8x+218=y} \atop {5x+521=y}} \right.,   b) $101

Step-by-step explanation:

Hermes: 8 envelopes, $218

Apollo: 5 envelopes, $521

If x is the amount in each envelope, H is the amount Hemes has and A is the amount Apollo has, this would be a possible system of equations.

\left \{ {{8x + 218 = H} \atop {5x +521 = A}} \right.

If Apollo and Hermes both had the same amount of total money, A and H could equal y

\left \{ {{8x+218=y} \atop {5x+521=y}} \right.

We want to find the amount in each envelope (x), so we can substitute y in the first equation for y in the second equation:

8x+218=5x+521

Subtract 5x from both sides

3x+218=521

Subtract 218 from both sides

3x=303

Divide both sides by 3

x=101

So there would have to be $101 in both envelopes for Apollo and Hermes to have the same amount of total money.

7 0
3 years ago
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