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astraxan [27]
3 years ago
13

3/5×2/7×2/3 Please fallow

Mathematics
1 answer:
olga55 [171]3 years ago
6 0

Answer:

\frac{12}{105}

Step-by-step explanation:

\frac{3}{5}x\frac{2}{7}x\frac{2}{3}

3x2x2=12

5x7x3=105

\frac{12}{105}

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Find the solution of the system by graphing
zvonat [6]

Answer:

x = -2

y = -1

(-2, -1)

General Formulas and Concepts:

<u>Pre-Algebra</u>

  • Order of Operations: BPEMDAS
  • Equality Properties

<u>Algebra I</u>

  • Solving systems of equations using substitution/elimination
  • Solving systems of equations by graphing

Step-by-step explanation:

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

y = x + 1

3x + 3y = -9

<u>Step 2: Solve for </u><em><u>x</u></em>

<em>Substitution</em>

  1. Substitute in <em>y</em>:                              3x + 3(x + 1) = -9
  2. Distribute 3:                                   3x + 3x + 3 = -9
  3. Combine like terms:                     6x + 3 = -9
  4. Isolate <em>x</em> term:                               6x = -12
  5. Isolate <em>x</em>:                                        x = -2

<u>Step 3: Solve for </u><em><u>y</u></em>

  1. Define original equation:                    y = x + 1
  2. Substitute in <em>x</em>:                                     y = -2 + 1
  3. Add:                                                      y = -1

<u>Step 4: Graph systems</u>

<em>Check the solution set.</em>

6 0
3 years ago
Find the surface area of a cylinder with a radius of 5 cm and a height of 30 cm. Use 3.14
Juli2301 [7.4K]
Whole formula 2*pi*radius^2 + 2*pi*radius*height:

157+942= 1099

SA= 1099
3 0
2 years ago
Why is the quotient -100/(-5) the same as the quotient 100/5
Tatiana [17]

Answer:The quotient of -100 and -5  is the same as the quotient of 100/5 because if you divide a negative number by a negative number, you will get a positive number and the same way if you divide a positive number by a positive number you will get a positive number.

Step-by-step explanation:

-100/-5 = 20

100/5 = 20

8 0
3 years ago
If Mary is two years old and her sister is half of her age, how old is her sister
Alchen [17]

Answer:

1

Step-by-step explanation:

HOW TF IS THAT A HARD QUESTION


8 0
3 years ago
Read 2 more answers
-3b-(-2)=4b-12 show work please ASAP
makvit [3.9K]

Solve the equation:

– 3b – (– 2) = 4b <span>– 12

</span>– 3b + 2 = 4b – 12

– 3b = 4b – 12 – 2

– 3b = 4b – 14

– 3b – 4b = – 14

– 7b = – 14

        – 14
b = ———
         – 7


b = 2   <———   solution.


I hope this helps. =)

3 0
3 years ago
Read 2 more answers
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