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satela [25.4K]
3 years ago
11

Classify a. acute b. obtuse c. right d. straight

Mathematics
1 answer:
nexus9112 [7]3 years ago
4 0
Acute= an angle smaller than 90 degrees
obtuse= an angle larger than 90 degrees
right= an angle that is 90 degrees
straight= an angle that is 180 degrees
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Which is the range of the function f(x) = 1/7 (9)x
adelina 88 [10]
Range of f(x) = 1/7(9)x =
All real numbers greater than 0. 

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3 years ago
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A section of a deck is shaped like a trapezoid. For this section, the length of one base is 23 feet, and the length of the other
Virty [35]

Answer:

Area of a trapezoid= (big base+small base)/2 x height

A=(67+54)/2 x 18

A=60.5 x 18

A=1089  

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Round off 69.238 to the nearest hundreadths​
Dennis_Churaev [7]
69.24 because you round the three up
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2 years ago
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When a polynomial f(x) is divided by 2x-3,the quotient is x^2-x+2 and the remainder is -1. Find the f(x)​
joja [24]

Answer:

f(x) = 2x³ - 5x² + 7x - 7

Step-by-step explanation:

In the division statement: m ÷ n = q + \frac{r}{n}

  • m is the dividend
  • n is the divisor
  • q is the quotient
  • r is the remainder
  • m = q × n + r

Let us use the fact above to solve the question

∵ f(x) is divided by (2x - 3), the quotient is x² - x + 2 and the remainder is -1

∴ f(x) is the dividend ⇒ m

∴ (2x - 3) is the divisor ⇒ n

∴ (x² - x + 2) is the quotient ⇒ q

∴ -1 is the remainder ⇒ r

→ Use the rule above to find f(x)

∵ f(x) = (x² - x + 2) × (2x - 3) + -1

∴ f(x) = (x² - x + 2)(2x - 3) - 1

→ Multiply the 2 brackets at first

∵ (x² - x + 2)(2x - 3) = x²(2x) + x²(-3) + -x(2x) + -x(-3) + 2(2x) + 2(-3)

∴ (x² - x + 2)(2x - 3) = 2x³ - 3x² - 2x² + 3x + 4x - 6

→ Add the like terms

∴ (x² - x + 2)(2x - 3) = 2x³ + (-3x² - 2x²) + (3x + 4x) - 6

∴ (x² - x + 2)(2x - 3) = 2x³ + (-5x²) + 7x - 6

∴ (x² - x + 2)(2x - 3) = 2x³ - 5x² + 7x - 6

→ Substitute it in f(x)

∴ f(x) = 2x³ - 5x² + 7x - 6 - 1

→ Add the like term

∵ f(x) = 2x³ - 5x² + 7x + (- 6 - 1)

∴ f(x) = 2x³ - 5x² + 7x + (-7)

∴ f(x) = 2x³ - 5x² + 7x - 7

3 0
3 years ago
What is the factored form of 11x-x^2=0
Aleks [24]

Answer: x(11-x)=0

Step-by-step explanation:

Given the quadratic equation 11x-x^2=0, you need to factor it.

In order to find the form asked of the given equation, you need to factor out the common factor of the terms.

You can observe that the common factor of the terms of the equation is: x

Now, knowing this, you must factor out x. Then you get the following form:

x(11-x)=0

Therefore, the factored fom of the equation  11x-x^2=0 is:

 x(11-x)=0

3 0
3 years ago
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