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REY [17]
3 years ago
8

What is the solution to the system of equations below?

Mathematics
1 answer:
ANEK [815]3 years ago
5 0
A. x = 7, y = 4, z = 3

How?

Just plug in the numbers.

7 + 4 + 3 = 14

11 + 3 = 14

14 = 14

Next.

4 + 3 = 7

Next.

3 = 3

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If u have 3 dice what is the probability that they will all land on the same number
Sveta_85 [38]

Answer:(1/6)3

or 1/216

Step-by-step explanation:

You have a 1/6      chance of getting the first number.1/6  

chance of the second and so on. Is it just        

(16)3

6 0
3 years ago
A line is drawn through (-7, 11) and (8, -9). The equation
Oduvanchick [21]

Answer:

4x+3y=5

y=-\frac{4}{3}x+\frac{5}{3}

Step-by-step explanation:

we have the points

(-7, 11) and (8, -9)

Find the slope

The formula to calculate the slope between two points is equal to

m=\frac{y2-y1}{x2-x1}

substitute

m=\frac{-9-11}{8+7}

m=-\frac{20}{15}

Simplify

m=-\frac{4}{3}

Write the equation in point slope form

y-y1=m(x-x1)

we have

m=-\frac{4}{3}

point\ (-7, 11)

substitute

y-11=-\frac{4}{3}(x+7)

Convert to standard form

we have

y-11=-\frac{4}{3}(x+7)

Multiply by 3 both sides

3y-33=-4x-28\\4x+3y=5

Convert to slope intercept form

we have

y-11=-\frac{4}{3}(x+7)

Isolate the variable y

y=-\frac{4}{3}x-\frac{28}{3}+11

y=-\frac{4}{3}x+\frac{5}{3}

8 0
3 years ago
HELP ASAP PLEASE ❤️
RoseWind [281]

Answer:

sdd

Step-by-step explanation:

dgnzm.

3 0
3 years ago
According to a college survey, 55% of all students work full time. Find the standard deviation for the number of students who wo
e-lub [12.9K]

Answer:

The standard deviation for the number of students who work full time = 8.38

Step-by-step explanation:

Given data

Sample size n = 284

No. of students work full time is  P = 55 % = 0.55

No. of students who not work full time is Q = 100- 55 % = 45 % = 0.45

The standard deviation is given by

S.D. = \sqrt{nPQ}

Put all the values in above equation we get

S.D. = \sqrt{(284)(0.55)(0.45)}

S.D. = 8.38

This is the standard deviation for the number of students who work full time.

4 0
3 years ago
I can do your quizzes and exams guaranteed high grades! Comment below if you need help! ​
Norma-Jean [14]
I wish lol I need help with geometry
3 0
3 years ago
Read 2 more answers
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