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3 years ago

Please hurry it’s missing

Mathematics

2 answers:

liubo4ka [24]3 years ago

7 0

Reduce the expression, if possible, by cancelling the common factors.

Exact Form:

22/7

Decimal Form:

3.142857 (terminating decimal)

Mixed Number Form:

3/1/7

siniylev [52]3 years ago

4 0

I got 3.14285714286 or just 3

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Two middle school classes take a vote on the destination for a class trip. Class A has 25 students, 56% of whom voted to go to S

Kryger [21]

Answer:

The value of n is 15.

Step-by-step explanation:

The combined proportion is computed using the formula:

$P=\frac{n_{A}\cdot p_{A}+n_{B}\cdot p_{B}}{n_{A}+n_{B}}$

The information provided is as follows:

$n_{A}=25\\p_{A}=0.56\\n_{B}=n\\p_{B}=0.60\\P=0.575$

Compute the value of n as follows:

$P=\frac{n_{A}\cdot p_{A}+n_{B}\cdot p_{B}}{n_{A}+n_{B}}$

$0.575=\frac{25\times 0.56+n\times 0.60}{25+n}\\\\0.575(25+n)=14+0.60n\\\\14.375+0.575n=14+0.60n\\\\0.60n-0.575n=14.375-14\\\\0.025n=0.375\\\\n=15$

Thus, the value of n is 15.

6 0

3 years ago

I need help please :(

Anuta_ua [19.1K]

15x + 11x + 8x+5 = 180

34x + 5 = 180

34x = 180-5

34x = 175

x = 5.147

by substitution each value by of x by 5

75 + 55 + 45 = 175

5 0

3 years ago

Tell whether x and y are proportional when y/x=3

mars1129 [50]

Answer:

y is directly proportional to x

Step-by-step explanation:

if y/x = 3

then, y = 3x.

5 0

3 years ago

7 less than two times the sum of 6 and a

miss Akunina [59]

Answer:

6 and 20

Step-by-step explanation:

20-7=13

7 0

4 years ago

What is the Pattern 4,25,130,655

madreJ [45]

Somewhere a round six

i think 6.25

8 0

3 years ago

Read 2 more answers