Use the Pythagorean theorem:
$(\hbox{one leg})^2+(\hbox{the other leg})^2=(\hbox{hypotenuse})^2 \\
6^2+6^2=x^2 \\
6^2 \times 2=x^2 \\
\sqrt{6^2 \times 2}=x \\ \sqrt{6^2} \times \sqrt{2}=x \\ 6\sqrt{2}=x
$

The length of the hypotenuse is 6√2 units.

5 0

3 years ago

Doris made 80 cookies this week. She baked 4 less than three times the total she made last week. Which equation, when solved for

sertanlavr [38]

Answer:

The equation is $3x-4=80$

The value of x is 28 cookies

Step-by-step explanation:

Let

x ----> the number of cookies she baked last week

we know that

The number of cookies she baked last week multiplied by 3 minus 4 must be equal to 80 cookies

The linear equation that represent this situation is

$3x-4=80$

solve for x

$3x=80+4\\3x=84\\x=28\ cookies$

3 0

3 years ago

please help me i need this done today report cards are coming out this Friday i tried solving them but i can't please help mee

k0ka [10]

Answer:

156.9 pls brain list me pla

5 0

3 years ago

Will mark brainliest for whoever answers correctly

siniylev [52]

I think it is D:{5,-infinity}

6 0

3 years ago