3 years ago

Write an expression equivalent to -12/27 (it is a fraction)

Mathematics

1 answer:

rusak2 [61]3 years ago

6 0

-4/9 is simplified of -12/27

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Alicia needs to waterproof her house’s back deck, which is 18 feet by 5 feet. The waterproof coating costs $6 for a can that cov

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Step-by-step explanation:

18 × 5 = 90

90%30=3

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2 years ago

A fireworks display is launched from a platform 10 feet above ground with an initial upward velocity of 70 feet per second. The

Lena [83]

Answer: A. 87 feet

Step-by-step explanation:

1. You can find the t value of the vertex of the parabola as following:

$t=-\frac{b}{2a}$

2. Substitute values:

a=-16

b=70

Then:

$t=-\frac{70}{2(-16}$

$t=2.18$

3. Substitute the vaue obtained into the equation given in the problem. Therefore, you obtain the following result:

$h=-16t^{2}+70t+10\\h=-16(2.18)^{2}+70(2.18)+10\\h=86.56$

4. To the nearest foot:

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2 years ago

What is the period of the function F(x) = -4sec (1/2 x)

serg [7]

Answer:

A) 4π

Step-by-step explanation:

The period of a secant function, f(x)=a*sec(bx+c)+d, is defined as 2π/|b| where b is the distance of the period. Since we know b=1/2 given by the function, then the period is 2π/|1/2|=2π/(1/2)=2π(2/1)=4π.

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3 years ago

By what number should 9 4upon5 be multiplied to get 42

kondaur [170]

Answer:

4 2/7

Step-by-step explanation:

x * 9 4/5 = 42
x * 49/5 = 42
x = 42 : 49/5
x = 42 * 5/49
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3 years ago

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Answer:

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3 years ago

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