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tensa zangetsu [6.8K]

3 years ago

15

Find the inverse f(x)=(2x-3)^2 -1

1 answer:

boyakko [2]3 years ago

8 0

2 is the answer ok great

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What is x - 5y = 13 and 9y - x = -17 using elimination method

Genrish500 [490]

X +(-5y)= 13
-x+ 9y =(-17)
0+<u>4y</u>=<u>-4</u>
4 4
y=1
x+-5(1)=13
x-5=13
+5 <u>+5
</u> x=18
y=1

6 0

3 years ago

If a = 2 cm and r = 3.4 cm, find the area of the regular pentagon.

cricket20 [7]

Answer:

$Area = 3.4\ cm^{2}$

Step-by-step explanation:

Assume a pentagon has equal length where a be the side of the pentagon and r be the apothem of the pentagon.

Given:

Sides of pentagon $a=2\ cm$

apothem of pentagon $r=3.4\ cm$

The area of the pentagon formula is given below.

$A = \frac{1}{2}\times bh$

Where b = length of the base or side

And h = height of apothem

Now, we substitute side and apothem length in above formula.

$A = \frac{1}{2}\times 2\times 3.4$

$A = 3.4\ cm^{2}$

Therefore, the area of the pentagon is $3.4\ cm^{2}$

3 0

3 years ago

A can of soup has a radius of 1.65 in. and a height of 4.4 in.

DerKrebs [107]

7.26 is the answer!!!!!!!

5 0

3 years ago

18. Calculate the following logarithms.<br> c. log9(3)

kodGreya [7K]

Answer:

$\log_{9}(3) = \frac{1}{2}$

Step-by-step explanation:

To solve logarithms, we have to consider the following:

$\log_{a}(b) = c$ means that $a^{c} = b$ .

So, for example:

$\log_{10}(100) = 2$ means that $10^{2} = 100$ .

So

$\log_{9}(3) = x$

$9^{x} = 3^{1}$

9 is 3*3. So

$3^{2x} = 3^{1}$

$2x = 1$

$x = \frac{1}{2}$

So

$\log_{9}(3) = \frac{1}{2}$

7 0

3 years ago

1: The local street cart sells bacon egg and cheese sandwiches for $2.50,

myrzilka [38]

Answer:

213 sandwiches

534 soft drinks

Step-by-step explanation:

system of equations, if you want better explanation, hmu in the comments.

6 0

3 years ago