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3 years ago

Can you help me please

Mathematics

1 answer:

Airida [17]3 years ago

4 0

Answer:

(-1,-4)

Explanation:

The vertex of a parabola is the point where the parabola crosses its axis of symmetry.

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What is the rule for the reflection?

Sliva [168]

Hey user!

your answer is here...

laws ( rules ) of reflection are :-

• angle of incidence is equal to angle of reflection.

• the incident ray, Normal ray and reflected ray all lie in same plane.

cheers!!

7 0

3 years ago

Suppose y varies directly with x. if y= 24 when x = 4, what is y when x = 9?

enot [183]

Answer: y=54

Step-by-step explanation: so 24/4 is 6 soooo 9*6=54 ez

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3 years ago

Read 2 more answers

Applying Properties of Exponents In Exercise,use the properties of exponents to simplify the expression.

Mkey [24]

Answer:

$1.~e^{-2} \\2.~e^{\frac{7}{2}}\\3.~e^8\\4.~e^{\frac{-11}{2}}$

Step-by-step explanation:

We have to simplify the given exponential exponents.

Exponential Properties:

$e^0 =1\\e^a.e^b = e^{a+b}\\\\\displaystyle\frac{e^a}{e^b} = e^{a-b}\\\\(e^a)^b = e^{ab}\\\\e^{-a} = \frac{1}{e^a}$

Simplification takes place in the following manner:

$(e^{-3})^\frac{2}{3}\\(e^a)^b = e^{ab}\\=e^{-3\times \frac{2}{3}}\\=e^{-2}$

$(e^4)(e^{\frac{-1}{2}})\\e^a.e^b = e^{a+b}\\=e^{(4+\frac{-1}{2})} \\= e^{\frac{7}{2}}$

$(e^{-2})^{-4}\\(e^a)^b = e^{ab}\\= e^{-2\times -4}\\=e^8$

$(e^{-4})(e^{\frac{-3}{2}})\\e^a.e^b = e^{a+b}\\=e^{(-4+\frac{-3}{2})} \\= e^{\frac{-11}{2}}$

4 0

3 years ago

PLEASE HELPPPP!

nirvana33 [79]

Answer:

Step-by-step explanation:

5 0

3 years ago

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F(x)=(1/4)^x <br><br> what is the <br> y-intercept<br> common ratio

Vesna [10]

See attached graph.

The y-intercept is (0, 1), since the line is at that point when it intersects with the y-axis.

The common ratio is 1/4, since the y value multiplies by 1/4 for each unit on the x-axis.

6 0

3 years ago