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marishachu [46]
2 years ago
5

Geometry help part 3 ☝

Mathematics
1 answer:
zhenek [66]2 years ago
3 0

Answer:

The answer is most likely B

Step-by-step explanation

the reason why i say that is because the other one really dont make sense

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Which unit rate is the lowest price per ounce?
Marizza181 [45]
The lowest price per oz is choice A :)
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2 years ago
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Solve system of equation algebraically <br> y = 2x - 3<br> x + y = 18
natima [27]

Answer:

x = 7

y = 11

Step-by-step explanation:

Given the system;

y = 2x - 3

x + y = 18

1. Approach

The easiest way to solve this system of equations is to solve the second equation for the variable (y). Then add the systems, use algebra to solve for the value of (x), then substitute that value back into one of the original equations to solve for the value of (y). Another name for the method in use is the method of elimination, this is when a [erspm manipulates one of the equations in a system of the equation such that when they add the equations, one of the variables eliminatates. Thus, they can solve for the other variable and the backsolve for the value of the unknown variable.

2. Solve one of the equations for a variable

Manipulate the system such that each equation is solved for the same variable,

x + y = 18

Inverse operations,

x + y = 18

-18        -18

x + y - 18 = 0

   -y         -y

x - 18 = -y

3. Use elimination

Now substitute this back into the original system,

y = 2x - 3

-y = x - 18

Add the systems,

y = 2x - 3

-y = x - 18

_________

0 = 3x - 21

Inverse operations,

0 = 3x - 21

+21       +21

21 = 3x

/3    /3

7 = x

4. Find the value of the unknown variable

Backsovle to find the value of (y),

x + y = 18

Substitute,

7 + y = 18

Inverse operations,

7 + y = 18

-7        -7

y = 11

3 0
2 years ago
Read 2 more answers
The number of cows a farmer has on his farm over several years can be modeled by an arithmetic sequence. During the 2nd, 5th, an
Leni [432]

Answer: im not sure

Step-by-step explanation:

i have that same problem and its due in ten min :( sorry

8 0
3 years ago
HELP FAST BUT BE CORRECT(:
IrinaK [193]

the correct answer here would be B. 0.25q + 0.05n

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3 years ago
2(4x+1)&lt;3(2x-3) solve the inequality
Anestetic [448]

Answer:

x< -11/2

Step-by-step explanation:

Let's solve your inequality step-by-step.

2(4x+1)<3(2x−3)

Step 1: Simplify both sides of the inequality.

8x+2<6x−9

Step 2: Subtract 6x from both sides.

8x+2−6x<6x−9−6x

2x+2<−9

Step 3: Subtract 2 from both sides.

2x+2−2<−9−2

2x<−11

Step 4: Divide both sides by 2.

2x/2<−11/2

x< −11/2

4 0
2 years ago
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