Percentage of black T-shirt sold = 320/400 x 100 = 80%

Percentage of blue T-shirt sold = 270/300 x 100 = 90%

Answer: There is a greater percentage of Blue T-Shirt sold.

7 0

3 years ago

The expression 3 × 7 – 4 × 8 + 2 is equivalent

vlabodo [156]

I believe the answer you are looking for is -9<span />

3 0

2 years ago

Read 2 more answers

Charlene has four<br> -0.5 cards. What is the total value of her<br> cards?

e-lub [12.9K]

Answer:

-2

Step-by-step explanation:

4 × -0.5 = -2

5 0

2 years ago

Calculate a vector c in the same direction of the vector a and that has the same length as the vector b

Viktor [21]

For any scalar $t>0$ , $t\vec a$ is a vector pointing in the same direction as $a$ .

To force this vector to have the same length as another vector $\vec b$ , first normalize $t\vec a$ by dividing it by its norm,

$\dfrac{t\vec a}{\|t\vec a\|}=\dfrac{t\vec a}{t\|\vec a\|}=\dfrac{\vec a}{\|\vec a\|}$

then multiply this vector by the norm of $\vec b$ , so that

$\vec c=\dfrac{\|\vec b\|}{\|\vec a\|}\vec a$

To confirm that $\vec c$ has the same length as $\vec b$ :

$\|\vec c\|=\left\|\dfrac{\|\vec b\|}{\|\vec a\|}\vec a\right\|=\dfrac{\|\vec b\|}{\|\vec a\|}\|\vec a\|=\|\vec b\|$

8 0

2 years ago