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2 years ago

Solve the equation below

Mathematics

2 answers:

Elina [12.6K]2 years ago

7 0

Answer:

(-5,3)

Step-by-step explanation:

-40+8y=-16

8y=24

y=3

Anastasy [175]2 years ago

6 0

Answer:

(-5, -7)

Step-by-step explanation:

insert -5 where you see the variable 'x':

-8(-5) + 8y = -16

40 + 8y = -16

8y = -56

y = -7

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Mrrafil [7]

Answer:

Velocity = 59 feet/second

Step-by-step explanation:

h(t) = 15 + 60t – 16t2

Time t = 1 second

Let's substitute time into the equation to get the distance

h(t) = 15+60(1)-16(1)²

h(t) = 15 + 60 - 16

h(t) = 59 feet

Speed or velocity = distance/time

Distance = 59 feet

Time = 1 second

Velocity = 59/1

Velocity = 59 feet/s

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3 years ago

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Answer:

Step-by-step explanation:

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2 years ago

Evaluate tan45/sin30 . In your final answer, include all calculations.

Maslowich

From the identity $\displaystyle{ \tan x= \frac{\sin x}{\cos x}$ , and from the values:

$\sin45^{\circ}=\cos45^{\circ}= \frac{ \sqrt{2}}{2}$ ,

we have: $\displaystyle{ \tan 45^{\circ}= \frac{\sin 45^{\circ}}{\cos 45^{\circ}}= \frac{ \frac{ \sqrt{2}}{2}}{\frac{ \sqrt{2}}{2}} =1$ .

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Answer: 2

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Answer:

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Step-by-step explanation:

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