1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Alexandra [31]
4 years ago
15

If a = 5i - 6j and b = -2i + 4j , find -3a + 2b

Mathematics
1 answer:
gavmur [86]4 years ago
3 0

Answer:

-19i + 26j

Step-by-step explanation:

-3 (5i - 6j) + 2 (-2i + 4j)

Distribute/multiply the -3 to everything in the parentheses

-15i + 18j + 2 (-2i + 4j)

Distribute/multiply the 2 to everything in the parentheses

-15i + 18j -4i + 8j

Combine like terms

-19i +26j

You might be interested in
A family of four want to go to Cat Island.But their boat only can fit two individuals if they are BOTH children. How do all four
oksian1 [2.3K]
Im not sure but maybe 1 adult and one child but im not sure if this is a trick question

5 0
3 years ago
Read 2 more answers
The Muffin Man’s shop on Drury Lane charges 8% sales tax. Prince Charming’s purchases at the shop rang up at $34, and the tax wa
Gemiola [76]

Answer:

he multiplied by 0.8 not .08

Step-by-step explanation:

when doing 8% you go back 2 places so 0.08

34×0.08= 2.72

34+2.72= 36.72

7 0
3 years ago
Read 2 more answers
What is the value for x? Enter your answer in the box.
Lynna [10]

angles BAC and BCA are equal = 69

69 +69 = 138

angles in a triangle =180

180-138 = 42

5x + 2 = 42

5x = 40

x = 8

8 0
3 years ago
Read 2 more answers
G(x) = x4 − 3x2 + 4x − 5
zloy xaker [14]

Let's solve for g.

gx=x4−3x2+4x−5

Step 1: Divide both sides by x.

gx

x

=

x4−3x2+4x−5

x

g=

x4−3x2+4x−5

x

Answer:

g=

x4−3x2+4x−5

x

7 0
3 years ago
Jack was planting a tree. He was to dig a hole that was 3 feet deep for every 5 feet of tree height. How deep should he dig the
sweet-ann [11.9K]
I believe it is 10 feet deep.
7 0
3 years ago
Other questions:
  • If cos 35 degrees =8/X , find X (3sf)
    5·1 answer
  • How do you determine the common difference for an arithmetic sequence?
    6·1 answer
  • a recipe for sweet potato pie calls for 3/4 cup of milk. Martina has 6 cups of milk. How many sweet potato pies can she make wit
    14·2 answers
  • How many one-thirds are there in three-fourths?
    11·2 answers
  • Graph the relation shown in the table. Is the relation a function? Why or why not?
    6·1 answer
  • 25 points for grabs!
    12·1 answer
  • Rozlyn invested $2000 in an account that pays 4.25% annual simple interest. She will not make any additional deposits or withdra
    11·1 answer
  • PLSSS ANSWER JUST PUT THE NUMBER OF THE QUESTION THEN THE ANSWER PLS HELP ITS OVERDUE AND IM GONNA FAIL 7TH GRADE :(
    8·2 answers
  • What is the measure of arc WYZ?
    10·2 answers
  • Reflected over the x-axis, then translated 6<br> units left
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!