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OLEGan [10]
4 years ago
13

Simplify this expression. 20.25−912+11

Mathematics
2 answers:
DIA [1.3K]4 years ago
7 0

Answer:

-880.75

Step-by-step explanation:

Subtract 912 from 20.25 first then add 11.

Margaret [11]4 years ago
6 0

Answer:

-880.75

Step-by-step explanation:

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If f(t)= 3t^2-2, find f(k-2)
DedPeter [7]
By plugging (k-2) in t, we can write that
f(k-2)=3(k-2)^{2}-2=3(k^{2}-4k+4)-2=3 k^{2}-12k+12-2=3 k^{2}-12k+10
7 0
4 years ago
Una rampa para descargar mercancía mide 2m. Si la distancia a la que se coloca la rampa es igual a la altura, ¿qué altura alcanz
Dafna1 [17]

Answer:

~14.14m.

espero que esto ayude :)

5 0
4 years ago
At the end of June, the rainfall for the year, so far, was 9.9 inches above normal. During the second half of the year, it raine
Dmitry [639]

Answer:the 3.38 answer

Step-by-step explanation:

3 0
3 years ago
For the peachtree ridge football game 500 students wore blue and 300 students did not. What percent of all the students attendin
Novay_Z [31]
Problem
500 students wore blue and 300 students did not. What percent of all the students attending the game wore blue?

Result
62.5% of all the students attending the game wore blue.

Solution
We can calculate the percent of students wearing blue, after finding the total amont of students, using division and multiplication.
Let's add
500 + 300 = 800

Let's divide

800/500 = 0.625

Let's multiply

0.625 · 100 = 62.5
8 0
3 years ago
What is the distance between point A and point B? Round to nearest tenth.
Sergeu [11.5K]

Answer:

d \approx 12.6

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>Algebra II</u>

  • Distance Formula: d = \sqrt{(x_2-x_1)^2+(y_2-y_1)^2}

Step-by-step explanation:

<u>Step 1: Define</u>

<em>Find points from graph.</em>

Point A (-4, 2)

Point B (8, 6)

<u>Step 2: Find distance </u><em><u>d</u></em>

Simply plug in the 2 coordinates into the distance formula to find distance <em>d</em>.

  1. Substitute [DF]:                    d = \sqrt{(8+4)^2+(6-2)^2}
  2. Add/Subtract:                       d = \sqrt{(12)^2+(4)^2}
  3. Exponents:                           d = \sqrt{144+16}
  4. Add:                                      d = \sqrt{160}
  5. Simplify:                                d = 4\sqrt{10}
  6. Evaluate:                              d = 12.6491
  7. Round:                                 d \approx 12.6
7 0
3 years ago
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