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
BabaBlast [244]
3 years ago
12

Brainly if u awnser!

Mathematics
1 answer:
just olya [345]3 years ago
4 0

The formula of a perimeter of a rectangle l × w:

P = 2l + 2w

We have the perimeter P = 76 cm and the length l = 20 cm. Substitute:

76 = 2(20) + 2w

76 = 40 + 2w    <em>subtract 40 from both sides</em>

36 = 2w     <em>divide both sides by 2</em>

18 = w

Answer: width = 18 cm.

You might be interested in
M(x)=x^2-3x<br> N(x)=x-5<br><br> MN(-1)= ?<br><br> A.18<br> B.-20<br> C.-22<br> D. -24
schepotkina [342]

Answer:

d. -24

Step-by-step explanation:

M(-1)=(-1)^2-3(-1)

M(-1)=1+3

M(-1)=4

N(-1)=-1-5

N(-1)=-6

MN(-1)=(4)(-6)

MN(-1)=-24

3 0
3 years ago
Write a word phrase for each algebraic expression 49+m
Oksanka [162]
Sarah had $49 dollars, plus the money her mom had.
3 0
3 years ago
Read 2 more answers
PLEASE HELP FAST!<br><br><br> what is the length of segment AB? <br> 10<br> 12<br> 13<br> 15
ss7ja [257]

Answer:

13

Step-by-step explanation:

This triangle appears to be 5 units wide and 12 units tall.

Using the pythagorean theorem, a^2 + b^2 = c^2, we get 25 + 144 = 169 or 13^2.

Therefore the answer is 13.

4 0
2 years ago
Read 2 more answers
The common difference of the arithmetic sequence
oksian1 [2.3K]

Answer:

its 1/3

Step-by-step explanation:

please mark it as brainliest!!<3

5 0
2 years ago
Read 2 more answers
Please help down below.
Taya2010 [7]

Answer:

1.) four and six hundredths

4+.06

2) 5.2 5+.2

3. six and eighty nine hundredths

4 0
3 years ago
Other questions:
  • Create a sequence in which 1 1/4 is added to each number
    12·1 answer
  • Work out the value of 1. 7/2 -a ² 2. 3x-8 = 19
    13·2 answers
  • PLZ HELP A biker travelling at his usual speed can go from his house to work in 4 hours. When the weather is bad, he travels 6 m
    8·2 answers
  • Need help ASAP (Geometry)!
    6·1 answer
  • The cost of an item is 100% of its price. What number goes in place of ? in the addition problem?
    11·2 answers
  • HELP ASAP PLEASE!!!!!!!!!!!!Factor completely 8x^2 - 4x – 84.
    14·1 answer
  • Solve (x-2)^2-3=1 graphically.
    12·1 answer
  • I missed my math class yesterday and im not sure what to do here. Please help
    9·2 answers
  • A man is five times as old as his son. Four years ago the man was thirteen times as old as his son.
    11·1 answer
  • What is the answer to, 3 divided by 1/4 ? I'm struggling in math and I am trying my best.
    11·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!