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maksim [4K]
3 years ago
6

What is 20-23 (work does not need to be shown)

Mathematics
1 answer:
lukranit [14]3 years ago
7 0
The answer is -3
Hope this helps :)
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5. If the tree's circumference is 141.3ft, what is its diameter?
BigorU [14]

Answer:

d ≈ 45 ft

General Formulas and Concepts:

<u>Symbols</u>

  • π (pi) ≈ 3.14

<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
  • Subtraction Property of Equality<u> </u>

<u>Geometry</u>

  • Circumference of a Circle Formula: C = πd

Step-by-step explanation:

<u>Step 1: Define</u>

Circumference <em>C </em>= 141.3 ft

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

  1. Substitute in <em>C</em> [Circumference Formula]:                                                       141.3 ft = πd
  2. Substitute in π (approximation):                                                                      141.3 ft ≈ 3.14d
  3. [Division Property of Equality] Divide both sides by 3.14:                              45 ft ≈ d
  4. Rewrite:                                                                                                             d ≈ 45 ft
7 0
3 years ago
Read 2 more answers
63x 54 my table parner asked this question to see how this website works
natita [175]
<span>63 * 54 is equal to 3402

If you need any help, write me a message.</span>
4 0
3 years ago
Read 2 more answers
One and one half times 1.5
arsen [322]

Answer:

2.25

Step-by-step explanation:

1.5 x 1.5 = 2.25

8 0
3 years ago
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Solve. Enter your answer as a mixed number. The driving distance from the sports arena to Kristina's house is 11 7 10 miles. The
sineoko [7]

Answer: 6\frac{1}{2} miles

Step-by-step explanation:

From the sports arena to Kristina's house = 11\frac{7}{10}miles

From the sports arena to Luke's house = 5\frac{2}{10} miles

Subtract Luke from Kristina

5\frac{2}{10}-11\frac{7}{10}

There's a confusing but easy way to solve this. However, I'm going to convert into improper fractions to make it easier.

To convert to improper fraction, take the whole number, multiply it by the denominator and add it to the numerator. All over the same denominator.

\frac{5*10+2}{10} -\frac{11*10+7}{10}

\frac{50+2}{10}-\frac{110+7}{10}\\\frac{52}{10}-\frac{117}{10}

Subtract them.

\frac{52-117}{10}

-\frac{65}{10}

Convert to mixed number by dividing.

65/10=6

60

----

5

The 6 is the whole number, 5 the numerator and 10 the denominator. Remember the negative sign that we had.

6\frac{5}{10}

5 and 10 can be simplified

5/5=1

10/5=2

Our final answer would be:

6\frac{1}{2}

3 0
3 years ago
Step 4: Calculate the result:<br> 63,756 60<br> miles / hour<br> 70.5,280
Mkey [24]

Answer:

10.35miles/hour

Step-by-step explanation:

(63,756 x 60)/ (70 x 5,280) = (3,825,360/369,600) = 10.35

(Application of division)

6 0
3 years ago
Read 2 more answers
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