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3 years ago

What is m ZPQR? R (x + 3) (3x + 5) S. P mzPQR = 8

Mathematics

1 answer:

Step2247 [10]3 years ago

8 0

Answer:um wow

Step-by-step explanation:

I do not know that one

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I need help please

Natasha2012 [34]

Answer:

B. $2862

Step-by-step explanation:

Using n=5 in the given equation, we get ...

A(5) = 2700 + (5-1)(.015·2700) = 2700 +4(40.50)

A(5) = 2862.00

In year 5, you will have $2862 in the account.

_____

Comment on the given equation

The given equation tells you the amount in the account at the beginning of the year, before it earns any interest. Since that is the equation given, we presume that is the answer desired. In most "account balance" problems, you are interested in the amount at the end of the interest-earning period.

4 0

3 years ago

Use trig ratios to find the measure of the angle in this triangle. A .cos^-1(4/5) B. tan(4/5) tan^-1(4/5) C. sin(4/5) D. cos(4/5

ololo11 [35]

Answer:

The answer is A

Step-by-step explanation:

Step 1: Use Cosine to find ∅

Cos∅= $\frac{4}{5}$

∅=Cos $^{-1}$ ( $\frac{4}{5}$ )

Therefore the answer is A

8 0

2 years ago

saima makes 14 muffins to give to her friends she wants to give 2 muffins to each friends at her party

IgorLugansk [536]

Answer:

7 friends

Step-by-step explanation:

14 divided by 2

8 0

3 years ago

Consider the function f(x)= 2/5x-4

Gre4nikov [31]

Answer: a) $\frac{5}{2}x+10=f^{-1}(x)=g(x)$

Step-by-step explanation:

Since we have given that

$f(x)=\frac{2}{5}x-4$

a.) Find the inverse of f(x) and name it g(x).

Let f(x) = y

So, it becomes

$y=\frac{2}{5}x-4$

Switching x to y , we get

$x=\frac{2}{5}y-4$

$5x=2y-20\\\\5x+20=2y\\\\\frac{5x+20}{2}=y\\\\\frac{5}{2}x+10=y\\\\\frac{5}{2}x+10=f^{-1}(x)=g(x)$

b) . Use composition to show that f(x) and g(x) are inverses of each other.

$\mathrm{For}\:f=\frac{2}{5}x-4\:\\\\\mathrm{substitute}\:x\:\mathrm{with}\:g\left(x\right)=\frac{5}{2}x+10\\\\=\frac{2}{5}\left(\frac{5}{2}x+10\right)-4\\\\=x$

Similarly,

$\mathrm{g\left(x\right)=\frac{5}{2}x+10,\:f\left(x\right)=\frac{2}{5}x-4,\:g\left(x\right)\circ \:f\left(x\right)}\\\\\mathrm{For}\:g=\frac{5}{2}x+10\:\mathrm{substitute}\:x\:\mathrm{with}\:f\left(x\right)=\frac{2}{5}x-4\\\\=\frac{5}{2}\left(\frac{2}{5}x-4\right)+10\\\\=x$

so, both are inverses of each other.

c) Draw the graphs of f(x) and g(x) on the same coordinate plane.

As shown below in the graph , Since for inverse function we need an axis of symmetry i.e. y=x

And both f(x) and g(x) are symmetry to y=x.

∴ f(x) and g(x) are inverses of each other.

5 0

3 years ago

If the area of the rectangle is 90 km?, then what is the value of the missing side?

r-ruslan [8.4K]

I believe it would be B.
Logically, it’s the only one that makes sense,
As 9x10= 90
None of the others have any way to divide or multiply up to the area,
So yes, B.

5 0

2 years ago

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