3 years ago

You have 6 bracelets and 15 necklaces. Find the number of ways you can wear one bracelet and one necklace

Mathematics

1 answer:

KonstantinChe [14]3 years ago

5 0

The answer would be 90

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How do you solve <br> 2/3 [(5+3) ^-3]

vodka [1.7K]

$\dfrac{2}{3}[(5+3)^{-3}]=\dfrac{2}{3}(8)^{-3}\\\\\text{use}\ a^{-n}=\dfrac{1}{a^n}\\\\=\dfrac{2}{3}\cdot\dfrac{1}{8^3}=\dfrac{2}{3\cdot512}=\dfrac{1}{3\cdot256}=\dfrac{1}{768}$

7 0

2 years ago

Help if possible.

skelet666 [1.2K]

A ) Length = 5 - 2 x
Width = 3 - 2 x
The area of the bottom:
A = L x W = ( 5 - 2 x ) ( 3 - 2 x ) = 15 - 10 x - 6 x + 4 x² =
= 4 x² - 16 x + 15
b ) 4 x² - 16 x + 15 = 10
4 x² - 16 x + 5 = 0
x = (16 - √(256 - 80))/ 8 = ( 16 - 13.266 ) / 2
x = 0.34 in

4 0

3 years ago

I will mark brainliest XD

Usimov [2.4K]

Answer:

First one A and D

Second A and C

Third A and D

Fourth 20 / 4 = X

X = 5

Step-by-step explanation:

4 0