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sergejj [24]
2 years ago
6

PLEASE HELP ASAP!!! CORRECT ANSWER ONLY PLEASE!!

Mathematics
2 answers:
Airida [17]2 years ago
8 0

D is the correct answer I think.

IgorLugansk [536]2 years ago
8 0

The answer is D!! I took the test!


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Solve the following system of equations:
Gnoma [55]
We have two equation with two unknowns. Therefore, we can solve the x and y easily. There are a number of methods to apply here but I will be using substitution method. We do as follows:

-2x + y = 1
y = 1 + 2x

4x + y = -1
4x + 1 + 2x = -1
6x = -1 -1
6x = -2
x = -1/3

y= 1 + 2(-1/3)
y = 1/3
6 0
3 years ago
Read 2 more answers
A researcher wishes to examine the relationship between years of schooling completed and the number of pregnancies in young wome
Ber [7]

Answer:

1. When amount of schooling increases by one year, the number of pregnancies will decrease by 4.

Step-by-step explanation:

Regression analysis is a statistical technique which is used for forecasting. It determines the relationship between two variables. It determines the relationship of two or more dependent and independent variables. It is widely used in stats to find trend in the data. It helps to predict the values of dependent and independent variables. In the given question, there is regression equation given. X and Y are considered as dependent variables. When number of schooling increases by 1 year then number of pregnancies will decrease by 4

5 0
2 years ago
Determine whether these two functions are inverses. ​
11Alexandr11 [23.1K]

Answer:

No The reactions are not inverses to each other

Step-by-step explanation:

f(x) = 3x + 27

Let f(x) be y

y= 3x+27

subtracting 27 on both sides

3x = y - 27

x= (y-27)/3

= y/3 - 9

inverse function is x/3 -9 not x/3 + 9

Therefore, not an inverse

Hope it helps...

6 0
3 years ago
Which set of ordered pairs does NOT represent a function?
Reika [66]
The answer is b because it repeats “2” two times
4 0
3 years ago
How do you convert 17 cmon minute to miles an hour
eimsori [14]

Answer:

0.006 miles per hour

Step-by-step explanation:

We are given;

Speed in cm per minute ( 17 cm per min)

We are required to convert cm per minute to miles an hour

we need to know that;

1 miles = 160934 cm

1 hour = 60 minutes

We can convert 17 cm to miles and 1 minute to hours

17 cm = 17 ÷ 160934 cm

          = 17/160934

1 minute = 1/60 hour

Therefore;

In miles per hour;

  = (17/160934) ÷ (1/60)

  = 0.00634 miles per hour

  = 0.006 miles per hour

Therefore, 17 cm per minute is equivalent to 0.006 miles per hour

4 0
3 years ago
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