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3 years ago

Chapter 2 Test, Form 2

Mathematics

2 answers:

Softa [21]3 years ago

8 0

1.) -49

2.) 24

3.) 27

4.) 28

5.) 15

Kamila [148]3 years ago

5 0

1.) -49
2.) 24
3.) 27
4.) -4
5.) 15

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5x+2y=21<br> – 2x+6y=-34

Arisa [49]

Solve for the first variable in one of the equations, then substitute the result into the other equation.

Point Form:(97/17,−64/17)

Equation Form: x=97/17, y=−64/17

plz mark me as brainliest :)

5 0

3 years ago

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I really need help on this

enyata [817]

Answer:

a is correct

Step-by-step explanation:

it is correct because we are adding

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3 years ago

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The americans with disabilities act sets a maximium angle for a wheelchair ramp entering a business at 4.76 degrees. Determine t

sweet-ann [11.9K]

Answer:

d = 48.03 feet

Step-by-step explanation:

Given that,

The maximum angle for a wheelchair ramp entering a business at 4.76 degrees.

We need to find the horizontal distance needed to accomidate a ramp that goes up to a door 4 feet of the ground.

We can solve it using trigonometry.

$\tan\theta=\dfrac{h}{d}$

Where

h is height

d is the angle of elevation

$d=\dfrac{h}{\tan\theta}\\\\d=\dfrac{4}{\tan(4.76)}\\\\d=48.03\ ft$

So, the horizontal distance is equal to 48.03 feet.

4 0

3 years ago

I have <img src="https://tex.z-dn.net/?f=f%28t%29%3D%20%20%5Cfrac%7B%20t%5E%7B2%7D%20%7D%7B9%7D%20" id="TexFormula1" title="f(t)

skad [1K]

$\bf \begin{cases}
f(t)=\cfrac{t^2}{9}\\\\
g(t)=e^{\cfrac{}{}\frac{-ln(t)}{4}}\\\\
k(t)=f(t)+c\cdot g(t)
\end{cases}\implies k(t)=\cfrac{t^2}{9}+C\cdot e^{\cfrac{}{}\frac{-ln(t)}{4}}
\\\\\\
k(1)=4\implies 
\begin{cases}
k=4\\
t=1
\end{cases}\implies 4=\cfrac{1^2}{9}+C\cdot e^{\cfrac{}{}\frac{-ln(1)}{4}}
\\\\\\
4=\cfrac{1}{9}+C\cdot e^{\frac{0}{4}}\implies 4=\cfrac{1}{9}+C\cdot 1\implies 4-\cfrac{1}{9}=C
\\\\\\
\cfrac{35}{9}=C$

6 0

3 years ago

If you fold the number line so that the vertical crease goes through 0,the points you label would match up explain why this happ

Vlada [557]

Answer:

When you fold the number line ( vertically through the point zero on the number line ) you have successfully divided the number line into 2 equal halves.

Step-by-step explanation:

When you fold the number line ( vertically through the point zero on the number line ) you have successfully divided the number line into 2 equal halves. and this causes the points labelled on either side of the number line to match up with with the points on the opposite side

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3 years ago