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3 years ago

A, B, C, OR D. WILL MARK ANSWER BRAINLIEST.

Mathematics

2 answers:

fgiga [73]3 years ago

6 0

Answer:

Step-by-step explanation:

all points on the line of the equation y = 1 will have the number 1 as the y-value in each ordered pair

y = 1 is a horizontal line which intersects the y-axis at (0, 1)

yulyashka [42]3 years ago

6 0

C. Bc it goes through 1

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Alisha bought a collection of 500 old pennies. she chose 20 pennies from the collection and recorded their dates. seven pennies

Naddik [55]

35%
Using the experimental probability of 7 pennies (a success) out of 20(number of trials) can give us an estimate of 7/20 or 0.035 or 35%

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3 years ago

Read 2 more answers

From a group of 8 people, including George and Nina, 3 people are to be selected at random to work on a certain project. What is

cestrela7 [59]

Answer: $\frac{15}{56}$

Step-by-step explanation:

We have to select george but not nina with two other people

No. of ways selecting 2 two people knowing Geroge will be the third one is

$^6C_2$ (beacuse we have to exclude Nina)

And total no of ways of selecting 3 people out of 8 people is $^8C_3$

Therefore the required Probability is $\frac{^6C_{2}}{^8C_{3}}$

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3 years ago

A set of N = 20 exam scores has a mean of m = 50. The instructor discovered that an error was made grading one exam, so 20 point

tatuchka [14]

Answer:

The new mean for the exam scores is 51

Step-by-step explanation:

the mean can be calculated using the formula

mean of scores = $\frac{Sum total of scores}{Number of students}$

before the 20 points was added, the mean of the score was = 50.

Inserting this into the formula, we have:

50 = $\frac{Sum total}{20 students}$

from this, we can compute the sum total of the scores as

sum total = 50 × 20 = 1000

when the extra 20 marks is added, the sum of the entire scores will be changed to 1000 + 20 = 1020.

Hence the new mean will be computed as (New Sum total of scores / Number of students)

= $\frac{1020}{20}$ = 51.

∴ The new mean of the scores is = 51

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3 years ago

Anybody Know This. ?

frosja888 [35]

Answer:

The answer is the third option from the top:

0, 0, 11, 15, 26, 32, 45, 46, 46, 46, 60, 71, 84, 88

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3 years ago

Evaluate if m = 16 and p = 2. 1 2 m + 3p A) 10 B) 14 C) 18 D) 48

Ivenika [448]

Put the values of m and p to the expression:

$\dfrac{1}{2}m+3p\\\\m=16;\ p=2\\\\\dfrac{1}{2}\cdot16+3\cdot2=8+6=14\to B)$

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3 years ago