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3 years ago

Is 25% of 160 is 48?

1 answer:

3 0

25% of 160 = 0.25 x 160
25% of 160 = 40

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Answer: 25% of 600 is 40.
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2. In a school with only sixth and seventh graders

inna [77]

Answer:

there will be 300 6th graders

Step-by-step explanation:

Divide 200 by 2 to find 1/5 of the school.

5 0

3 years ago

Can someone help me with this problem. please

Kitty [74]

Answer:

Step-by-step explanation:

area = 30x + 30(x+3) + 30(2x)

= 30x + 30x+90 + 60x

= (120x + 90) m²

length of planting area = x + (x+3) + 2x = 4x+3 m

area = 30(4x+3) = (120x + 90) m²

x = 5

maple area = 30(5+3) = 240 m²

locust area = 30(2·5) = = 300 m²

8 0

3 years ago

Divide 68 into two parts so that the larger number exeed the smaller one by 6

BaLLatris [955]

Answer:

31, 37

Step-by-step explanation:

Let the smaller number be x

Therefore, longer number = x + 6

According to the given information:

x + x + 6 = 68

2x + 6 = 68

2x = 68 - 6

2x = 62

x = 62/2

x = 31

x + 6 = 31 + 6 = 37

Thus, the two parts of 68 are 31 and 37.

6 0

3 years ago

Consider a communication source that transmits packets containing digitized speech. After each transmission, the receiver sends

Greeley [361]

Answer:

The probability mass function is

$F(x) = [ \left \ 8 } \atop {x}} \right. ] * p^x * q^{n - x }$

Step-by-step explanation:

From the question we are told that

The maximum transmission time is $n = 8$

Generally the number of times a packet is transmitted follows a binomial distribution given that the the results of successive transmissions are independent of one another and that the probability of any particular transmission being successful is p

Generally the probability mass function is mathematically represented as

$F(x) = [ \left \ 8 } \atop {x}} \right. ] * p^x * q^{n - x }$

Here x can take values x = 0 , 1 , 2 , 3 , ... , 7

8 0

3 years ago

Find the circumference of the circle below. (Use 3.14 for Pi)

ipn [44]

so the right answer is 31.4 cm(option C)