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3 years ago

Simplify 7 to the 6 power multpied by 7 to the 5th power

2 answers:

6 0

So... 7 to the 6th power is 7^6 =<span>117649 and multiply that with 7^5 power 16807... will give you.. </span>1977326743.. are you sure you want to multiply it? :o

RUDIKE [14]3 years ago

4 0

When multiplying powers of the same base, add the exponents. The product is 7 to the 11th power.

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Please help! functions operations. explain please

Lina20 [59]

Answer:

$f^{-1}(x)=x^2-3$

Step-by-step explanation:

Given $f(x)=\sqrt{x+3}$

Let $y=\sqrt{x+3}$

Interchange x and y

$x=\sqrt{y+3}$

Solve for y, by first squaring both sides

$x^2=y+3$

$x^2-3=y$

Hence

$f^{-1}(x)=x^2-3$

The last choice is correct

5 0

3 years ago

Find the range of the following piecewise function.

mash [69]

Answer:

$\huge\boxed{[-5;\ -2)\ \cup\ [3;\ 13)}$

Step-by-step explanation:

The following piecewise functions are linear functions. The graph of any of them is a line segment.

We just need to calculate the value of the function at each end specified in the brace.

$y=3x-2\ \text{if}\ -1\leq x$

Substitute x =-1 and x = 0:

$x=-1\\y=3(-1)-2=-3-2=-5\\\\x=0\\y=3(0)-2=0-2=-2$

Range of this piece is [-5; -2)

$y=2x+3\ \text{if}\ 0\leq x$

Substitute x =0and x = 5:

$x=0\\y=2(0)+3=0+3=3\\\\x=5\\y=2(5)+3=10+3=13$

Range of this piece is [3; 13)

Therefore the range of the following piecewise function is:

$[-5;\ -2)\ \cup\ [3;\ 13)$

Look at the picture.

6 0

3 years ago

3/9 as a decimal rounded to 3 decimal places

goblinko [34]

3/9 = 0.3333333336 ~ 0.333

8 0

3 years ago

Please help its urgent

navik [9.2K]

Answer:

Step-by-step explanation:

18x-6=120

18x=120+6

18x=126

x=126÷18

x=7

5 0

3 years ago

Six out of every 100 men are taller than 1.85m.

Andru [333]

Answer:

The probability of the man shorter than 1.85m is 2 in 5.

7 0

3 years ago