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Vesnalui [34]
3 years ago
5

I need help please someone explain

Mathematics
2 answers:
avanturin [10]3 years ago
8 0

Answer:

Together they both hiked 1\frac{1}{4} miles

Step-by-step explanation:

Dylan hiked \frac{3}{4} of a mile and Sonia hiked \frac{1}{2} of a mile or \frac{2}{4} of a mile. Add both together and you get \frac{5}{4} or 1\frac{1}{4}

masha68 [24]3 years ago
3 0

Answer: Dylan Hiked 1.25 miles and Sonia Hiked 1.35 miles

Step-by-step explanation:

Dylan you add 3/4+1/2

Sonia you add 1/2+3/5

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A spherical tank has a radius of 6 yards. It is filled with a liquid the cost $7.15 per cubic yard.
mote1985 [20]
We have two questions, but we need to find the volume of the spherical tank first.
So the formula we will use to find the volume is:
(4/3)πr³=V
Let's fill in the information we have and solve. We will be using 3.14 for pi.
(4/3)(3.14)6³
(4/3)(3.14)(216)
4.1867×216
I'll be using the repeating decimal for 4.1867, I rounded to 7, but there is a repeating 6.
904.32
So the volume is 904.32 yards³ (or 904.78 if using the full pi)
We have to multiply the volume by 7.15.
904.32×7.15
6,465.89
It will cost $6,465.89 to fill the tank with the liquid.
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What so the tax cost $15 tax 5% what do I do
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Answer:

$15.75

Step-by-step explanation:

15 + (15 x 0.05)

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Step-by-step explanation:

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Please help me its about solving system by substitution
Andrew [12]

Answer:

(-3, 4)

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

  • Multiplication Property of Equality
  • Division Property of Equality
  • Addition Property of Equality
  • Subtract Property of Equality

<u>Algebra I</u>

  • Terms/Coefficients
  • Solving systems of equations using substitution/elimination

Step-by-step explanation:

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

y = -x + 1

2x + 3y = 6

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

<em>Substitution</em>

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

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

  1. Define equation:                     y = -x + 1
  2. Substitute in <em>x</em>:                        y = -(-3) + 1
  3. Simplify:                                   y = 3 + 1
  4. Add:                                         y = 4
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Which is the next step in the following construction of an equilateral triangle
Ira Lisetskai [31]

Answer: its the next portion of 123

Step-by-step explanation:

because my teacher told me

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2 years ago
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