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Gnesinka [82]
3 years ago
12

I will pick BRAINLIEST.

Mathematics
1 answer:
serg [7]3 years ago
7 0

Gonzales took 8 minutes to type the same amount that Jones did in 10.  

10x40=400. 400/50=8  

The room is 4 yards. 12/3=4.

Please tell me if im wrong!

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Solve the system:<br> -5x+6y=55<br> 4x+3y=34<br><br> Write down your solution.
svetlana [45]

Answer:

(1, 10)

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right

Equality Properties

<u>Algebra I</u>

  • Solving systems of equations using substitution/elimination

Step-by-step explanation:

<u>Step 1: Define Systems</u>

-5x + 6y = 55

4x + 3y = 34

<u>Step 2: Rewrite Systems</u>

4x + 3y = 34

  1. Multiply everything by -2:                    -8x - 6y = -68

<u>Step 3: Redefine Systems</u>

-5x + 6y = 55

-8x - 6y = -68

<u>Step 4: Solve for </u><em><u>x</u></em>

<em>Elimination</em>

  1. Combine equations:                    -13x = -13
  2. Divide -13 on both sides:             x = 1

<u>Step 5: Solve for </u><em><u>y</u></em>

  1. Define equation:                    4x + 3y = 34
  2. Substitute in <em>x</em>:                       4(1) + 3y = 34
  3. Multiply:                                  4 + 3y = 34
  4. Isolate <em>y</em> term:                        3y = 30
  5. Isolate <em>y</em>:                                 y = 10
4 0
2 years ago
The cost to rent a moving truck is a flat fee of $25 plus $0.60 per mile. The equation c = 25 + 0.6m models the cost, c, in doll
FrozenT [24]

Answer:

Independent variable: C

Dependent Variable: M

Step-by-step explanation:

Lets begin with the Independent variable, C.  C is moreover a result, so it remains as a dormant number that is yet to be known. M which is the dependent variable, contributes to the corresponding number we call the cost. When M , a quantity that is being manipulated the number 0.6, multiplies "per mile" plus 25. The actual expression is 25 + 0.6m, and the indpendent variable is known as the numerical coefficient.

5 0
3 years ago
If a = 9-4√5 find the value of a - 1/a
e-lub [12.9K]
The solution is attached 
the answer is -8√5  

7 0
3 years ago
100 (POINTS) The two dot plots below show the heights of some sixth graders and some seventh graders:
aalyn [17]

Answer:

2.4

Step-by-step explanation:

5 0
2 years ago
Read 2 more answers
Please help me with this and please give me the right answer it’s due tommorow
NARA [144]
First, look and compare at the decimal places in brackets ( ) .

A. (0).561 , (8).627 , (5).325 (wrong)

B. 4.(0)57, 4.(1)22, (5).008 (4.0.., 4.1.., 5.00..) least to greatest - (correct)

C. 1.(7)42 , 1.(5)58, 1.(6)71 - (wrong)

D. Greatest to least - (wrong)
5 0
3 years ago
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