3 years ago

PLEASE HELP IM DESPERATE WILL GIVE BRAINLIEST ONLY ANSWER IF YOU ARE HELPING

Mathematics

1 answer:

VARVARA [1.3K]3 years ago

7 0

Answer:

Step-by-step explanation:

u • w

= (i + 6j ) • (9i - 2j )

= (1 × 9 ) + (6 × - 2 )

= 9 + (- 12)

= 9 - 12

= - 3

v • w

= (5i - 3j ) • (9i - 2j )

= (5 × 9) + (- 3 × - 2)

= 45 + 6

= 51

Then

u • w + v • w

= - 3 + 51

= 48

You might be interested in

Please please help me !!

stira [4]

Answer:

your answer is (-12,2)

3 0

3 years ago

Answerr to –m+8–9m+–8m+–10m

CaHeK987 [17]

Answer:

USE THIS APP AS A GUIDE DO NOT USE IT AS AN ANSWER KEYYYYYY!!! ALRIGHT!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Step-by-step explanation:

https://photomath.app/en/

7 0

3 years ago

Read 2 more answers

116.PS-9 Question Help Find the surface area of the prism. 8 cm 5 cm13cm 12 cm

Ivanshal [37]

Answer:

6,240 cm

Step-by-step explanation:

8 cm x 5 cm x 13 cm x 12 cm = 6,240 cm

8 0

2 years ago

A small home speaker produces 0.200 ~\text{W}0.200 W of acoustical power. (This is achieved, for example, by a 10-Watt speaker o

Anika [276]

Answer:

i dont speak english

Step-by-step explanation:

4 0

3 years ago

After a 15% off sale,some jeans were $11.50.How much were the jeans before the sale?

Nookie1986 [14]

$13.53 is the answer to you problem

3 0

3 years ago