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2 years ago

Find the measure of angle b

Mathematics

1 answer:

Andrew [12]2 years ago

3 0

Answer:

b = 116⁰

we have:

b + 64⁰ = 180⁰

<=> b = 180⁰ - 64⁰

<=> b = 116⁰

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kotegsom [21]

100 x 4.2 would equal 420.
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3 years ago

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3 years ago

Abigail tosses a coin off a bridge into the stream below. The distance, in feet, the coin above the water is modeled by the equa

melomori [17]

Answer:

7 seconds

Step-by-step explanation:

Distance of the coin above the water is modeled by the equation

$y=-16x^2+96x+112$

where $x$ is time taken to cover the distance

Now equating with zero.

$0=-16x^2+96x+112\\\Rightarrow 16x^2-96x-112=0\\\Rightarrow x=\dfrac{-\left(-96\right)\pm \sqrt{\left(-96\right)^2-4\times \:16\left(-112\right)}}{2\times \:16}\\\Rightarrow x=7, -1$

So, time taken by the coin to hit the water is 7 seconds.

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3 years ago

Simplify the answer as much as possible

RSB [31]

Answer:

f(-5)=240

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Step-by-step explanation:

1) f(x)=3x^2 - 3x

f(-5)= 3×(-5)^2 - 3×(-5) = -15^2 + 15= 225 + 15=240

2) g(x)=5x + 2

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2 years ago

PLZZ HELP

Naddik [55]

Answer:

32+4+12+22+3

Step-by-step explanation:

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2 years ago