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iragen [17]
3 years ago
6

Emma and Jamie used base ten blocks to show that 40 is one tenth of 400

Mathematics
2 answers:
sergeinik [125]3 years ago
3 0
Yes 40/400 is simplified to 1/10 and then could be 0.1 so yes
AlladinOne [14]3 years ago
3 0
Yes this could be done because 40/400 is 10/100 or 1/10
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The faces on a number cube are labled 1,2,2,3,4, and 5the number cube is rolled 114 times how many times would you expect the nu
Mrac [35]

Given:

The faces on a number cube are labeled 1,2,2,3,4, and 5.

The number cube is rolled 114 times.

To find:

How many times would you expect the number 2 to appear?

Solution:

We have,

Total outcomes = 1,2,2,3,4, and 5.

Number of total outcomes = 6

Favorable outcomes = 2 and 2

Number of favorable outcomes = 2

The probability of getting 2 is:

P(2)=\dfrac{\text{Number of favorable outcomes}}{\text{Number of total outcomes}}

P(2)=\dfrac{2}{6}

P(2)=\dfrac{1}{3}

Now, the expected number of times when 2 to appear is:

E(x)=114\times P(2)

E(x)=114\times \dfrac{1}{3}

E(x)=38

Therefore, the expected number of times is 38.

4 0
2 years ago
Simplify (2√27) x (3√32)
Kryger [21]

For this case we have the following expression:

(2 \sqrt {27}) (3 \sqrt {32})

We have to:

27: 3 * 3 * 3: 3 ^ 2 * 3\\32: 16 * 2: 4 ^ 2 * 2

Rewriting the expression and simplifying we have:

(2 \sqrt {3 ^ 2 * 3}) (3 \sqrt {4 ^ 2 * 2}) =\\(2 * 3 \sqrt {3}) (3 * 4 \sqrt {2}) =\\(6 \sqrt {3}) (12 \sqrt {2}) =\\72 \sqrt {3 * 2} =\\72 \sqrt {6}

Answer:

72 \sqrt {6}

5 0
3 years ago
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patriot [66]

Answer:

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Step-by-step explanation:

(m + 5)(m - 9) = 0

m² + 5m - 9m - 45 = 0

m² - 4m - 45 = 0

4 1
3 years ago
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defon

A is the correct answer buddy.

_________________________________

good luck.♥️♥️♥️♥️♥️

3 0
3 years ago
Find a number that satifies the inequality x<-3
olga2289 [7]
It could basically be anything smaller than -3. So, some examples are -4,-5-,-6,-7,-8,-9,-10, and so on.
7 0
2 years ago
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