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ElenaW [278]
3 years ago
7

How are the expressions 1/4 of 12 and 12 divided by 4 related

Mathematics
2 answers:
Mars2501 [29]3 years ago
6 0
Hope so this helps u if not i can re do it

hram777 [196]3 years ago
5 0
Multiplying a 1/4 times 12 gets you the same answer as 12 divided by 4
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This system of equations has an infinite number of solutions. Define the solutions algebraically, and allow z to represent all r
Soloha48 [4]

Answer:

x = 12z + 1  and y = 10z - 1

Step-by-step explanation:

To solve the system of equations, we can use the substitution method

If we call

3x - 4y + 4z = 7 I

x - y - 2z = 2 II

2x - 3y + 6z = 5 III

Clearing II  x = 2 + y + 2z

Now, replacing II in III

2(2 + y + 2z) - 3y +6z = 5

4 + 2y + 4z - 3y + 6z = 5

10z - y = 1 from here y = 10z - 1

Finally, replacing y in I

3x - 4(10z - 1) + 4z = 7

3x -40z + 4 + 4z = 7

3x - 36z = 3

3x = 36z + 3

x = 12z + 1

Done

7 0
3 years ago
Y=2x+1<br> y=4x-1<br> SHOW YOUR WORK PLEASE
Tanya [424]

Let's solve your system by substitution.

y=2x+1;y=4x−1

Step: Solve y=2x+1for y:

y=2x+1

Step: Substitute2x+1foryiny=4x−1:

y=4x−1

2x+1=4x−1

2x+1+−4x=4x−1+−4x(Add -4x to both sides)

−2x+1=−1

−2x+1+−1=−1+−1(Add -1 to both sides)

−2x=−2

−2x

−2

=

−2

−2

(Divide both sides by -2)

x=1

Step: Substitute1forxiny=2x+1:

y=2x+1

y=(2)(1)+1

y=3(Simplify both sides of the equation)

Answer:

x=1 and y=3

3 0
3 years ago
The worlds two highest dams are both in Tajikistan. The rogue dam is 35 meters taller than the Nurek dam. together they are 635
galina1969 [7]
This is a sum and difference problem, with the equations
R-N=35
R+N=635
The solution of which is
R=(635+35)/2=335
N=(635-35)/2=300

In general, the sum and difference problem can be solved (most of the time mentally) using
Larger number = (sum + difference)/2
Smaller number = (sum - difference)/2


5 0
3 years ago
PLEASE HELP! WIL GIVE BRAINLLIEST!
yarga [219]

Answer:

First Graph is Correct

Step-by-step explanation:

We are given the inequality:

n \leq 46

This means any number EQUAL TO or LESS than 46

Since, we have "equal to", there should be a "closed" circle on 46 (it means 46 is included).

LESS THAN means all numbers to the "LEFT".

Looking at the 4 number lines, we can eliminate last 2 choices since they don't have closed circles.

As for the first two choices, the first choice is correct because it shows us all the numbers left of 46 and 46 included (signified by the closed circle).

So, the first number line is the solution

4 0
3 years ago
Select the expression that is equivalent to V+V+V+V*
Rashid [163]

Answer:

4V

Step-by-step explanation:

The coefficient of each V is 1

So, 1V + 1V + 1V + 1V

= 4V

8 0
3 years ago
Read 2 more answers
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