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
daser333 [38]
3 years ago
8

Suppose that 13 inches of wire costs 78 cents.

Mathematics
1 answer:
GarryVolchara [31]3 years ago
5 0

Answer:

$0.42

Step-by-step explanation:

create a proportion:

13/.78 = 7/x

cross-multiply to get:

13x = 7(.78)

13x = 5.46

x = 5.46/13

x = .42

You might be interested in
Find the missing length indicated. Hi can someone please explain how I would solve this question?
atroni [7]
How do we do the link
5 0
3 years ago
I need help please and fast
patriot [66]

Answer:

20%

Step-by-step explanation:

The reason it is 20% is due to the fact that if you put it in a form showing 250/250 = 100/100 and put another proportional rate underneath it showing 200/250 = x/100, you would have to multiply the numerator of the fraction on the left by the denominator of the fraction on the right to get 20000. Now you divide 250 from 20000 and get x for 80, resulting in 80/100 or 80%. All you have to do now is subtract 100-80, which equals 20, resulting in 20%.

Hope that helps!! It's my first time in answering so, ya. ;D goodluck!

3 0
3 years ago
Read 2 more answers
X^2= 1/100 what does x equal?
umka21 [38]
<span>X^2= 1/100
x = 1/10

Because 1/10 * 1/10 = 1/100

</span>
5 0
4 years ago
Read 2 more answers
How many times does 10 go into 100
gayaneshka [121]

Answer:

The answer would be 10. Multiply 10 by 10 you'll get 100.

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
Is 0.57 rational or irrational
tatuchka [14]
That is a rational number.
3 0
3 years ago
Other questions:
  • What percent of 200 is 28
    8·2 answers
  • Addinfg in scientific notation 9x10^3 +2.3x10^4=
    7·1 answer
  • The perimeter of a tennis court is 210 feet if the tennis court is 27 feet wide what is the length
    15·1 answer
  • 17. x^2 + 2x + 1
    8·1 answer
  • Does anybody know the answer?
    8·2 answers
  • Select the correct answer from each drop-down menu
    10·1 answer
  • Write a system of equations to describe the situation below, solve using substitution, and fill in the
    13·1 answer
  • Plssssss help giving brainliest
    11·1 answer
  • A. —————-is the number above the fraction bar in a fraction. A ———-is the number below the fraction bar that respresents the num
    6·1 answer
  • The total surface area of rectangular solid is 130 cm.If the solid is 7 cm long and 5 cm wide,calculate the height.​
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!