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3 years ago

Cat face impartirea 40÷13

Mathematics

2 answers:

kompoz [17]3 years ago

7 0

I am really not sure what you are trying to ask but 40 divided by 13 is 3.07692308

Svetradugi [14.3K]3 years ago

7 0

3.070692 r1
----------
13 / 40.000
- 39
----------
100
- 91
-----------
90
- 78
-----------
120
- 117
------------
30
- 26
------------
40
- 39
-------------
1

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Explain how finding 4 times 384 can help you find 4 times 5384.then find both products

forsale [732]

Answer:

Given the following: 4 times 384 can help you find 4 times 5384.

$4 \times 384 = 1536$

Now, find $4 \times 5384$

Using Distributive property: $a\cdot (b+c) = a\cdot b + a\cdot c$

We can write $4 \times 5384$ as

$4 \times (5000+384)$

Apply distributive property we have;

$4 \times 5000 + 4\times 384$

Now, find both products;

we know: $4 \times 384 = 1536$

$20000 + 1536$ = 21,536

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3 years ago

Is -2.74 a rational number?

Zinaida [17]

Yes, in mathematics, a rational number is any numberthat can be expressed as the quotient or fraction p/q of two integers, a numerator p and a non-zero denominator q.

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3 years ago

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Kyle is stringing a necklace with beads he puts black beads on 5/8 of the string and white beads on 1/4 of the string Kyle think

Alexeev081 [22]

Answer:Kyle’s claim is not reasonable

Step-by-step explanation:

Total length of the string of the necklace that Kyle covered with black beads is 5/8.

Total length of the string of the necklace that Kyle covered with white beads is 1/4.

Total length of the string of the necklace that Kyle covered with black beads and white beads is would be

1/4 + 5/8 = 7/8 = 0.875

Kyle thought that he will cover 6/12 of the string with beads. 6/12 = 0.5

It means that he covered more than 6/12. Kyle's claim was wrong

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3 years ago

HELP!! PLEASE!!! THANK YOU!!

Blizzard [7]

Answer:

C. 8x - 3y = 5

Step-by-step explanation:

7 - 3(x - y) = 5x + 2

Standard form: Ax + By = C

7 -3x + 3y = 5x + 2

7 -8x + 3y = 2

-8x + 3y = -5

Divide by -1 to each number

8x - 3y = 5

6 0

3 years ago

Past experience has indicated that the breaking strength of yarn used in manufacturing drapery material is normally distributed.

OLEGan [10]

Answer: the value of population standard deviation is 3.87

Step-by-step explanation:

From the information given,

Number of sample, n = 8

For a confidence level of 95%, the corresponding z value is 1.96. This is determined from the normal distribution table.

We will apply the formula

Confidence interval

= mean ± z ×standard deviation/√n

Since confidence interval = 2.694,

It becomes

2.694 = 1.96 × standard deviation/√8

Dividing both sides of the equation by 1.96, it becomes

1.37 = standard deviation/√8

Standard deviation = 1.37 × √8

Standard deviation = 3.87

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3 years ago