3 years ago

Find a ⋅ b. a = 9i + 5j, b = 4i + 3j

Mathematics

1 answer:

IgorLugansk [536]3 years ago

6 0

-36 + 47ji + 15j^2

Best luck with your studying

You might be interested in

Use AAS to prove the triangles congruent..........

andriy [413]

Hey there, 29levelupchaye2!

Angles B and G are congruent because they are alternate interior angles since they are in between two parallel lines.

Angles ACB and HFG are congruent because they are alternate exterior angles since they are both outside two parallel lines cut by a transversal.

Thank you for using Brainly.
See you soon!

4 0

3 years ago

she is increasing the price of her signature honey lemonade from 0.20 cents a cup to 0.25 cents. What is the percent increase?

Ne4ueva [31]

It is a 25% increase.

3 0

3 years ago

What’s the domain and range of y=x^2+2

denpristay [2]

Answer:

domain: all real numbers

range: {y element R : y>=2}

Step-by-step explanation:

7 0

3 years ago

Javier simplified the expression below. Find and describe the three mistakes he made.

OverLord2011 [107]

$( \dfrac{20x}{5x^8})^-^3$

<span>Take out the constants
</span>
$( \dfrac{20}{5} * \dfrac{x}{x^8} ) ^-^3$

$(4*\dfrac{x}{x^8} ) ^-^3$

Use the rule : $\frac{{x}^{a}}{{x}^{b}}={x}^{a-b}
$

$(4x^1^-^8)^-^3$

$(4x^-^7)^-^3$

Use the n<span>egative power rule : </span> ${x}^{-a}=\frac{1}{{x}^{a}}
$

$\frac{1}{4(x^-^7)}^-^3$

$\frac{1}{4^3(x^-^7)}^-^3$

$\dfrac{1}{64x^-^2^1}$

$\dfrac{1}{64* \dfrac{1}{x^2^1}}$

$\dfrac{1}{64 \dfrac{}{x^2^1}}$

$= \dfrac{x^2^1}{64}$

6 0

3 years ago

Read 2 more answers

Can i get some help please it would mean alot

ipn [44]

No idea because i don’t speak english

4 0

3 years ago