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
Snowcat [4.5K]
2 years ago
7

Given matrices A and B shown below, find (3)A+(8)B.

Mathematics
1 answer:
Tasya [4]2 years ago
5 0

Answer:

\left[\begin{array}{ccc}32&-55\\3&39\end{array}\right]

Step-by-step explanation:

\left[\begin{array}{ccc}0&-15\\3&15\end{array}\right] +\left[\begin{array}{ccc}32&-40\\0&24\end{array}\right] =\left[\begin{array}{ccc}0+32&-15+(-40)\\3+0&15+24\end{array}\right] = \left[\begin{array}{ccc}32&-55\\3&39\end{array}\right]

You might be interested in
Chloe and tino have a combined age of 48. three years ago chloe was double the age tino is now. find tinos age
jeka94

As  given Chole and Tinos age , the present age of Tino is equal to 15 years.

As given,

Let x and y be the present age of Chole and Tino. respectively.

Combined age = 48

Given condition,

x + y = 48 _______(1)

Three years ago

x - 3 = 2y

⇒x =2y +3 _______(2)

Substitute the value of x in (1),

2y+3 +y =48

⇒ 3y = 45

⇒ y = 15years

Therefore , as given Chole and Tinos age , the present age of Tino is equal to 15 years.

Learn more about age here

brainly.com/question/3023145

#SPJ4

5 0
1 year ago
Please help... #18 and #28
Vesna [10]
I hope this helps you

5 0
3 years ago
Read 2 more answers
One box holds 16 crayons. Another box hold 24 crayons. Write a sentence using words that compares the crayons in the two boxes
Triss [41]
24 is greater than 16. Or in mathematical terms 24 > 16
7 0
3 years ago
Read 2 more answers
Evaluate the function. Find f(x+3). f(x)=2x+7
ikadub [295]

Answer:

2x+13

Step-by-step explanation:

Plug in (x+3) in the F(x) function so:

f(x+3) = 2(x+3) + 7 = 2x+6+7 =2x+13

ANSWER: F(x+3) = 2x+13

3 0
3 years ago
sierra is supposed to practice flute for a total of 5 1/4 hours every week. this week, she practiced 15 minutes on sunday, 1 hou
ZanzabumX [31]
This should be the answer

8 0
3 years ago
Other questions:
  • One type of firework splits 5 times after it is fired into the air. The number of new bursts after each split can be modeled by
    9·2 answers
  • Plz help I don't get this it is so confusing
    11·2 answers
  • X² - 2X -35 WHAT IS THE ANSWER FOR THIS POLYNOMIAL
    12·2 answers
  • What is a measurement<br>​
    10·2 answers
  • I’m lazy to do this XD But I’m kinda confused
    9·1 answer
  • Will give brainliest if correct! Which of the following is not a solution to the inequality 3−(7−2x)&gt;−8?
    5·1 answer
  • Find the value of n . 80×π×n=1100000​
    10·1 answer
  • A natural history museum surveyed the people visiting the museum for one month and created a circle graph to show the age of the
    10·1 answer
  • What can be determined by looking at the polynomial f(x)=(x+3)(x−7)?
    14·1 answer
  • A circle is shown graphed below whose radius is 10 inches. An arc is traced from point A to point B with a
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!