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
zalisa [80]
3 years ago
12

Can someone plz help me solved this problem! I really need help ASAP! Will mark you as brainiest!

Mathematics
2 answers:
Ivahew [28]3 years ago
6 0

Answer:

a) k = 3 b) k = 4

Step-by-step explanation:

a) 3 x 7 = 21

b) 4 x 3 = 12

pogonyaev3 years ago
5 0

Answer:

1) k=3 (2) k=4

Step-by-step explanation:

21=k\cdot \:7\quad \\\mathrm{Switch\:sides}\\k\cdot \:7=21\\\frac{k\cdot \:7}{7}=\frac{21}{7}\\k=3\\2)\\12=k\cdot \:3\\Switch\:sides\\k\cdot \:3=12\\\frac{k\cdot \:3}{3}=\frac{12}{3}\\k=4

You might be interested in
Which of the following fractions compares BC to BD? <br><br> 2/3<br> 5/2<br> 2/5<br> 3/2
-BARSIC- [3]

Answer:

2/3

Step-by-step explanation:

BC = 2 tiles

BD = 3 tiles

BC (2) : BD (3)

8 0
3 years ago
Read 2 more answers
What's the numerator for the following rational<br> expression? x/y+ 7/y = ?/y
Mice21 [21]

Answer:

x+7

Step-by-step explanation:

7/y-?/y=x/y

?=x+7

Sorry, I wish I could elaborate more but I can't...

7 0
3 years ago
Use the associative law of multiplication to write an equivalent expression. <br> 9[m(6+n)]
jek_recluse [69]
The associative law states that it doesn't matter how we group numbers when we add and/or multiply. So we could rearrange the brackets and parentheses to get the equivalent equation:
9m(6+n)

Both equations total:
54m+9mn 
(I applied the distributive property to solve it). 
8 0
3 years ago
Danny scored 10 points in the first round of a game. he then lost 20 points in the second round. in the final round he earned 40
Black_prince [1.1K]
Danny's score at the end of the game is 30 because:
We started our with 10 points. 
He loses 20 points, which brings him down to -10 points. 
In the final round he earned 40 points. 40 minus the negative ten points gives us an answer of 30 points.
6 0
2 years ago
Read 2 more answers
What is the answer to the question?​
kotegsom [21]

Answer:

What is the sum of the exterior angles in a regular 15-gon?

The sum of the exterior angles in any convex polygon, including a regular 15-gon, is 360∘.

Step-by-step explanation:

thank me later

mark me as brainliest please

3 0
3 years ago
Read 2 more answers
Other questions:
  • Root 8 + 3 root 32 - root 50
    15·1 answer
  • How do you write 975% as a fraction, mixed number, or whole number in simplest form?
    12·2 answers
  • HELP!!! WILL GIVE BRAINLIEST! NEED THIS DONE ASAP
    6·2 answers
  • I think I wrote question wrong, it’s what is the biggest even number I can make using all four numbers 4,6,3,1 I don’t think it’
    8·1 answer
  • Amanda's gross annual salary is $62,112 what is the maximum amount of rent she can afford to pay
    12·1 answer
  • Which of the following fractions would convert into a repeating decimal
    9·1 answer
  • A sheet of glass has a density of 2.5 g/cm3. what is the density of the glass in kg/m3
    11·2 answers
  • 4. Find the solution to the equation below.<br> please finish<br> this<br> problem
    10·1 answer
  • Simplify each expression <br> 24/(3 + 2²)
    8·1 answer
  • Otto invests $1,000 at age 20. Otto wants theinvestment to be worth $4,000 by age 30. Ifinterest is compounded continuously, wha
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!