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3 years ago

What is the next value. 4 D 7 G 10 J 13

1 answer:

7 0

Numbers means the number of letter in the alphabet. D is the fourth letter, G is the seventh letter, J is the 10-th letter.
The next value in the row is M (thirteenth letter).

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Rewrite the fraction using the least common denominator 4/9 7/15

denis23 [38]

Answer:

20/45 & 21/45

Step-by-step explanation:

Find a common denominator. What you do to the denominator, you do to the numerator. In this case, the smallest denominator is 45.

(4/9)(5/5) = 20/45

(7/15)(3/3) = 21/45

The two fractions you have is:

20/45 for 4/9

21/45 for 7/15

6 0

4 years ago

Read 2 more answers

Please help me Write the 2 hundreds each number is between

Ede4ka [16]

53: 800 and 900

54: 700 and 800

55: 500 and 600

56: 2,771,100 and 2,771,200

57: 90,120,000 and 90,120,100

58: 631,900 and 632,000

59: 93,300 and 93,400

60: 200 and 300

61: 900 and 1000

62: 39,576,700 and 39,576,800

63: 24,900 and 25,000

64: 471,100 and 471,200

4 0

3 years ago

Jill has a swimming pool in her backyard. It is shaped like a rectangle and measures approximately 16.3 feet wide and 26.2 feet

balu736 [363]

Answer:

The dimensions of swimming pool are:

Length = 26.2 feet

Width = 16.3 feet

Height = 5 feet

During a few hot weeks during the summer, some water evaporates from the pool, and Jill needs to add 8 inches of water to the depth of the pool.

We will convert 8 inches o feet.

1 inch = 1/12 feet

So, 8 inch = $8/12=0.66$ feet

Now we have to tell how much water will be there in 0.66 feet depth.

So, volume = $16.3\times26.2\times0.66=281.86$ cubic feet.

1 cubic feet has 7.480 gallons

So, 281.86 cubic feet will have $281.86\times7.480=2108.31$ gallons of water.

7 0

4 years ago

A number is written in scientific notation.

V125BC [204]

If it’s 2.089 x 10^5 then the answer’s (c): 208,900

8 0

3 years ago

n=400 people under the age of 25 was asked whether they check social media sites right after they wake up. 42% check social medi

Aliun [14]

Answer:

Step-by-step explanation:

We would set up the hypothesis test.

For the null hypothesis,

p = 0.5

For the alternative hypothesis,

p < 0.5

Considering the population proportion, probability of success, p = 0.5

q = probability of failure = 1 - p

q = 1 - 0.5 = 0.5

Considering the sample,

P = 42/100 = 0.42

We would determine the test statistic which is the z score

z = (P - p)/√pq/n

n = 400

z = (0.42 - 0.5)/√(0.5 × 0.5)/400 = - 3.2

Recall, population proportion, p = 0.5

We want the area to the left of 0.5 since the alternative hypothesis is lesser than 0.5. Therefore, from the normal distribution table, the probability of getting a proportion < 0.5 is 0.00069

So p value = 0.00069

Since alpha, 0.05 > than the p value, 0.00069, then we would reject the null hypothesis.

Therefore, there is significant evidence to conclude that that less than 50% of people under the age of 25 check social media sites right after they wake up.

7 0

3 years ago