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2 years ago

What is the answer to the problem-4n=-68

Mathematics

2 answers:

djyliett [7]2 years ago

5 0

Answer:

n= -17

Step-by-step explanation:

4n =-68

divide both sides by 4

n=-17

klasskru [66]2 years ago

4 0

Answer: n = 17

Step-by-step explanation: n= -68/-4= 17

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An experimenter used the following design for studying five variables in eight runs in four blocks of size 2. (a) By reordering

never [62]

Answer:

A design in which all levels of each independent variable are combined with all levels of the other independent variables. A factorial design allows investigation of the separate main effects and interactions of two or more independent variables.

Step-by-step explanation:

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3 years ago

Which of the following numbers are less than -0.625

Svetllana [295]

Answer:

Step-by-step explanation:

A -8/5 = -1.6 which is less than 0.625 because 0.625 is closer to zero

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3 years ago

Katie is going to a carnival and received $50 from her mother to spend. At the carnival, entry costs $12.00 and ride tickets cos

nlexa [21]

Answer: See explanation

Step-by-step explanation:

Your question isn't complete but I believe that you want to know the number of rides that Katie can take.

Based on the information in the question, we can form an equation. Let the number of rides that Katie can take be represented by x. Therefore,

12 + (1.25 × x) = 50

12 + 1.25x = 50

1.25x = 50 - 12

1.25x = 38

x = 38/1.25

x = 30.4

Therefore, Katie can take at most 30 rides.

3 0

3 years ago

Find the domain of the function. f(x)=9x+7

Trava [24]

The domain of the expression is all real numbers except where the expression is undefined. In this case, there is no real number that makes the expression undefined.

5 0

3 years ago

Alice has a total of 12 dimes and nickels. She has 2 more nickels than dimes

valkas [14]

This is a problem of system of linear equations in two variables. This concept of mathematics is very useful in real-life problems. You can solve a system by finding the solution. A solution of a system are the values of the variables that satisfies each equation in the system. So by knowing these concepts we can get a system of equation by analyzing each statement step by step, that is:

1. Alice has a total of 12 dimes and nickels.

Let the variables:

$D: Dimes \\ N:Nickles$

1st. Equation:

$D+N=12$

2. She has 2 more nickels than dimes

2nd Equation:

$N=D+2$

Therefore our system of linear equations is:

 $(1) \ D+N=12 \\ (2) \ N=D+2 \\ \\ Substituting \ (2) \ in \ (1): \\ D+(D+2)=12 \therefore 2D=10 \therefore D=5 \\ \\ Solving \ for \ N \ in \ (2): \\ N=5+2=7$

Conclusion:

Alice has 5 dimes and 7 nickels.

6 0

3 years ago