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4vir4ik [10]
2 years ago
13

Answer for brainlest and 10 points

Mathematics
1 answer:
valkas [14]2 years ago
7 0

Answer:

Rational

Step-by-step explanation:

This can be reduced to a ratio of 1/2. Numbers that can be expressed as ratios are rational.

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A right rectanular prism has a length of 2 a width of 4 and a height of 5. How many unit cubes can fit in the prism
-Dominant- [34]

Answer:

40

Step-by-step explanation:

4 x 2 = 8 x 5

l x w x h

or

Bxh

7 0
1 year ago
What is the solution of StartRoot x + 12 EndRoot = x?
Ber [7]

Answer:

x = 4      or x = -3

Step-by-step explanation:

\sqrt{x+12}=x

Take square both the sides,

(\sqrt{x+12})^{2}=x^{2}\\\\x+12=x^{2}

x² - x - 12 = 0

x² - 4x + 3x - 3*4 =0

x*(x - 4) + 3*(x - 4)= 0

(x- 4 )(x+3) =0

x -4 =0   or x + 3 = 0

x = 4      or x = -3

4 0
3 years ago
Read 2 more answers
the sum of the first n terms of a sequence is 20 - 10 / 2 ^ n - 1 find the sum of the first five terms​
Travka [436]

Answer:

S_5=\dfrac{170}{9}

Step-by-step explanation:

Given that,

The sum of first n term of a sequence isS_n=20-\dfrac{10}{2n-1}

We need to find the sum of the first 5 terms.

Put n = 5,

S_5=20-\dfrac{10}{2(5)-1}\\\\=20-\dfrac{10}{10-1}\\\\=20-\dfrac{10}{9}\\\\=\dfrac{170}{9}

So, the sum of first 5 terms is equal to \dfrac{170}{9}.

6 0
2 years ago
Expand -8(4p-7) please
Artemon [7]

Answer:

-32p+56

Step-by-step explanation:

-8*4p=-32p

-7*-8=56(negative times negative =positive)

-32p+56

3 0
2 years ago
Read 2 more answers
Mine is literally a small question so ANSWER it. How are these two equations related?
lana [24]

Answer:

they are opposites?

Step-by-step explanation:

2x makes x twice as big

while .5 makes x twice as small

not sure but thats what im thinkin

4 0
2 years ago
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