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galben [10]
3 years ago
12

Based on the number line below, which statement is true?

Mathematics
2 answers:
jarptica [38.1K]3 years ago
5 0

you didnt put a number line tho :/

Naya [18.7K]3 years ago
5 0

Answer:

25

Step-by-step explanation:

that one spongebob meme

haha

:(

theres no number line

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Help pleasseeee<br> If f(x)=3x^2-7x find f(-2)
LenKa [72]

Answer:

f(-2) = 26

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 I</u>

  • Function Notation

Step-by-step explanation:

<u>Step 1: Define</u>

f(x) = 3x² - 7x

f(-2) is x = -2

<u>Step 2: Evaluate</u>

  1. Substitute in <em>x</em>:                    f(-2) = 3(-2)² - 7(-2)
  2. Exponents:                          f(-2) = 3(4) - 7(-2)
  3. Multiply:                               f(-2) = 12 + 14
  4. Add:                                     f(-2) = 26
6 0
3 years ago
13. solve 14 – 4y _&lt; 66<br> Y &gt; -17<br> Y &gt; -13<br> Y _&gt; -13<br> Y _&gt; -17
lbvjy [14]
Y≥-13
because
-4y≤52
y≥-13
5 0
3 years ago
-2c + 3c - 5 - 4c + 7
kaheart [24]

Answer:−

3c+2

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
Aanand earns Rs 80 in 7 hours and pramode earns Rs 90 in 12 hours. find their ratio​
My name is Ann [436]

Answer:

1.671:1

Step-by-step explanation:

80/7=11.99(9) or ~12

90/12= 7.177(7)

11.99(9)/7.177(7)=1.671

1.671:1

6 0
3 years ago
The mean height of a sample of 15-year-old boys is 175 centimeters, with a standard deviation of 10. For a sample of 15-year-old
Alina [70]
The equation for standard deviation is finding the mean of the numbers, subtracting each of the initial numbers by the mean, squaring each of the results, finding the mean of these results added together, then finding out the square root of the results added together.

The mean of 175 and 165 is 170, subtract 175 and 165 by 170, and you get 5 and -5 respectively. Then, square the results and you get 25 and 25.

Add the two numbers together (25 & 25) then find the square root of it, which is <span>7.07106781187, simplified to 7.07.</span>
4 0
3 years ago
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