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Nonamiya [84]
3 years ago
13

9) Brennen is rock climbing and is 15 feet above ground level. He descends 4 feet,

Mathematics
1 answer:
DanielleElmas [232]3 years ago
6 0

Answer:

15 feet above ground.

Step-by-step explanation:

15 feet - 4 feet = 11 feet

11 feet + 5 feet = 16 feet

16 feet - 1 foot = 15 feet

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FromTheMoon [43]

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3 0
2 years ago
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What is the factored form of this expression?
kirill [66]

Answer:

= (3t+2)(3t-2)(3t-4)

Step-by-step explanation:

Given the expression 27t^3 - 36t^2 - 12t + 16

On factoring:

(27t^3 - 36t^2) - (12t + 16)

= 9t²(3t-4)-4(3t-4)

= (9t²-4)(3t-4)

factoring 9t²-4

9t²-4 = (3t)² - 2²

From different of two square, a²-b² = (a+b)(a-b)

Hence (3t)² - 2² = (3t+2)(3t-2)

= (9t²-4)(3t-4)

= (3t+2)(3t-2)(3t-4)

Hence the factored form of the expression is (3t+2)(3t-2)(3t-4)

6 0
3 years ago
Find the value of -(2/5) - (-1/8) A) -21/40 B) -11/40 C) 11/40 D) 3/13
Yuliya22 [10]

(-2/5)-(-1/8)

Need to make the denominators the same

(-16/40)-(-5/40)

Multiply -2/5 by 8

Multiply -1/8 by 8

-- sign= positive

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Answer=-11/40

3 0
3 years ago
Greatest common factor of the following monomials 40a^3b and 24a^3b^5
timofeeve [1]

the gcf is product of gcf each factor,

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8 0
3 years ago
What's the lowest common multiple of of 2.2 and 5
alexira [117]
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3 years ago
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