Which expression has a value of 3?

Mathematics

1 answer:

Marina86 [1]3 years ago

6 0

Step-by-step explanation:

3(4 *to the power of 2* - 3*to the power of 2*)

3(4²-3²)
3(16-9)
3(7)
21

24-23 x 3

24-23×3
24-69
-45

3*to the power of 3* - 3*to the power of 2

3³-3²
9-6
3

(6*to the power of 2* - 3) (9*to the power of 2* - 70)

(6²-3)(9²-70)
(36-3)(81-70)
(33)(11)
363

Hence, Option d. is the correct answer because it gives answer 3 when it is solved.

You might be interested in

Which of these is equal to sin 32?

horsena [70]

Answer:

sin148 and cos58

Step-by-step explanation:

sin32=0.530

sin148=0.530

cos58=0.530

Hope it is helpful for you

please follow me

6 0

4 years ago

What is the length in feet of the base of the triangle?

worty [1.4K]

$\bf \textit{area of a triangle}\\\\ A=\cfrac{1}{2}bh~~ \begin{cases} b=base\\ h=height\\[-0.5em] \hrulefill\\ A=\frac{2}{5}\\ h=\frac{6}{5} \end{cases}\implies \cfrac{2}{5}=\cfrac{1}{2}b\left( \cfrac{6}{5} \right)\implies \cfrac{2}{5}=\cfrac{6b}{10}\implies \cfrac{2}{5}=\cfrac{3b}{5} \\\\\\ 10=15b\implies \stackrel{\textit{dividing both sides by 15}}{\cfrac{10}{15}=\cfrac{15b}{15}}\implies \cfrac{10}{15}=b\implies \cfrac{2}{3}=b$