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pantera1 [17]
3 years ago
12

Put the square root of 10 on a number line.

Mathematics
1 answer:
Sedaia [141]3 years ago
7 0
The square root of 10 is 3.16. you would put it between 3 and 4 on a number line, closer to the 3
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Three good friends are in the same algebra class. Their scores on a recent test are three consecutive even integers whose sum is
klio [65]

Let the lowest score be x.

<u>The 3 consecutive even scores are:</u>

1st score = x

2nd score = x + 2

3rd score = x + 4

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<u>Sum of their score is 270:</u>

x + (x + 2) + (x + 4) = 270

-

<u>Solve x:</u>

x + (x + 2) + (x + 4) = 270

x + x + 2 + x + 4 = 270

3x + 6 = 270

3x = 264

x = 88

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<u>Find their scores:</u>

1st score = x = 88

2nd score = x + 2 = 88 + 2 = 90

3rd score = x + 4 = 88 + 4 = 92

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Answer: The scores are 88, 90 and 92

6 0
2 years ago
PLEASE HELP 20 POINTS
VashaNatasha [74]
I believe the first answer is c

7 0
3 years ago
Read 2 more answers
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KatRina [158]

Answer:

n = 60.22

Step-by-step explanation:

Hello

To find Sn, we need to draw out equations for each a₇ and a₁₉

In an arithmetic progression,

Sn = a + (n-1)d

Where Sn = sum of the A.P

a = first term

d = common difference

a₇ = 32

32 = a + (7-1)d

32 = a + 6d ........equation (i)

a₁₉ = 140

140 = a + (19-1)d

140 = a + 18d .........equation (ii)

Solve equation (i) and (ii) simultaneously

From equation (i)

32 = a + 6d

Make a the subject of formula

a = 32 - 6d .....equation (iii)

Put equation (iii) into equation (ii)

140 = (32 - 6d) + 18d

140 = 32 - 6d + 18d

Collect like terms

140 - 32 = 12d

12d = 108

d = 108 / 12

d = 9

Put d = 9 in equation (i)

32 = a + 6(9)

32 = a + 54

a = 32 - 54

a = -22

When Sn = 511

Sn = a + (n - 1)d

Substitute and solve for n

511 = -22 + (n-1) × 9

511 = -22 + 9n - 9

511 = -31 + 9n

511 + 31 = 9n

542 = 9n

n = 542 / 9

n = 60.22

5 0
3 years ago
Many questions in research can be expressed as two competing statements about the population parameter. These two statements are
mars1129 [50]

Answer:

Following are the solution to the given question:

Step-by-step explanation:

Please find the complete question in the attached file.

H_0: p = 0.70\\\\H_a: p < 0.70

The parameter p calculates the portion of faculty members utilizing the iClikers throughout the classrooms.

8 0
2 years ago
Cycle City charges an initial price of $15 plus $0.75 per hour for bike rentals, which is
Novosadov [1.4K]

Answer:

See Explanation

Step-by-step explanation:

Given

Rentals = 15 + 0.75h

Solving (a): What does h represents

From the instruction in the question, we understand Cycle city charges an additional 0.75 per hour.

This implies that h represents the additional hour of rentals

Solving (b): What does 15 represents

From the instruction in the question, we understand Cycle city charges an a base charge of $15

This implies that 15 represents the base charge

Solving (c): 0.75h

Referring back to (a) where h represents the additional hour of rentals

0.75h represents the total charges for the additional hour

6 0
3 years ago
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