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melamori03 [73]
3 years ago
14

5+ 2 1/2 + 7 1/2 + 2 1/2+ 7 1/2 +5=

Mathematics
2 answers:
____ [38]3 years ago
7 0

Answer:

its 30.

Step-by-step explanation:

that's all I know.

shusha [124]3 years ago
5 0
Answer should be 30! hope this helps
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Find the slope of the line that passes through the points (2,-20) and (1,-20).
amm1812

Answer:

\displaystyle m=0

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<u> </u>

<u>Algebra I</u>

  • Coordinates (x, y)
  • Slope Formula: \displaystyle m=\frac{y_2-y_1}{x_2-x_1}

Step-by-step explanation:

<u>Step 1: Define</u>

Point (2, -20)

Point (1, -20)

<u>Step 2: Find slope </u><em><u>m</u></em>

Simply plug in the 2 coordinates into the slope formula to find slope <em>m</em>

  1. Substitute in points [Slope Formula]:                                                             \displaystyle m=\frac{-20+20}{1-2}
  2. [Fraction] Subtract/Add:                                                                                    \displaystyle m=\frac{0}{-1}
  3. [Fraction] Divide:                                                                                               \displaystyle m=0
3 0
3 years ago
Read 2 more answers
I need help, please and thank you. I know that you have to multiply the diameter by 2 to find the radius, but with the 9 pi, it
andrew11 [14]

Answer:

r=6

Step-by-step explanation:

The area of a circle is given by πr². Note that this uses the radius, not the diameter.

Now, one quarter of this area (ABC) is given to be 9π.

So apparently:

\frac14 \pi r^2 = 9\pi

If you solve this:

\frac14 r^2 = 9 (divide both sides by π)

r^2 = 9\cdot4 (multiply both sides by 4)

so

r = √36 = 6

so the radius is 6.

4 0
3 years ago
How could you determine whether 21/3 120/12 and 7/9 have the same decimal equivalent
Kipish [7]

ANSWER: To determine if all three of those fractions have the same decimal equivalent, we simply divide the numerator by the denominator. Fractions mean division! So for the first one 21/3 That's 21 divided by 3. That's 7!

8 0
3 years ago
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In an orchestra, there are 42 woodwind players to 56 brass is ratio of woodwinds to brass written as a fraction in simplest form
Marrrta [24]
\frac{42}{56} =  \frac{6}{8} = \frac{3}{4}

I could do that because both numbers are divisible by 7, and then they are divisible by 2. You could also have divided them by 14, but I think it's easier to do and explain this way.
8 0
3 years ago
Find the difference or type<br> "impossible"
eduard

Answer:

hope you can understand

6 0
2 years ago
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