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Oduvanchick [21]
2 years ago
7

Help please in both questions ): ?

Mathematics
2 answers:
vekshin12 years ago
5 0
Eliminate the y first
Elina [12.6K]2 years ago
4 0

Answer:

The angle corresponding to angle 4 is angle 8

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Rich is driving from Philadelphia to Pittsburgh at 70 mph and Michelle is driving from Pittsburgh to Philadelphia at 65 mph. If
nignag [31]
The answer is C. 2 hours and 15 minutes. Please refer to the attached document to see the image for better understanding of solution.

Philadelphia = Point A
Pittsburgh = Point B
X = distance traveled by Michelle
(305-X) = distance traveled by Rich

The general formula used is:

distance = velocity(time)
s = v(t)

Assigning values gives 2 equations:

For Michelle: X = 65(t)
For Rich: (305-X) = 70(t)

Substituting both equations gives:

X = 146.852 miles
t = 2.26 hours or approximately 2 hours and 15 minutes
Download docx
8 0
3 years ago
Write an inequality to represent the phrase: The sum of a number an 6 is no less than 31
Leviafan [203]
The inequality that represents this phrase is n+6 > 31.
5 0
3 years ago
Write <br> 9<br> 5<br> as a mixed number.
Advocard [28]
<span>Well, think of it this way? How many times does 5 go into 9? 

5 * 1 = 5 
5 * 2 = 10 

So 5 goes into 9 one time. Then you have to subtract that 5 from 9 to be left with your fraction value. 

1 and 4/5 is your mixed number.</span>
5 0
3 years ago
Read 2 more answers
Which of the following are true about regression with one predictor variable (often called "simple regression")? A. After conduc
jeyben [28]

Answer:

A

Step-by-step explanation:

Simple linear regression is a statistical method that summarizes and study relationships between two continuous quantitative variables.

One variable is regarded as the predictor, explanatory, or independent variable and the other variable is regarded as the response, outcome, or dependent variable.

Two variables can be denoted by X and Y.

Among the given options, the correct option is A. After conducting a hypothesis test to test that the slope of the regression equation is nonzero, you can conclude that your predictor variable, X, causes Y

3 0
3 years ago
Please help i have no idea with this lesson
sergey [27]

Answer:

40

Step-by-step explanation:

ABD-CBD=ABD

70-30=40

3 0
3 years ago
Read 2 more answers
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