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
hoa [83]
4 years ago
8

An alloy consists of nickel, zinc, and copper in the ratio 2:7:9.

Mathematics
1 answer:
tia_tia [17]4 years ago
5 0

Answer:

Alloy = 12.6 lbs.

Step-by-step explanation:

( 2/7 ) = ( Nickel /4.9)

Nickel = 1.4 lbs.

Ratio of Copper to Zinc:

( 9/7 ) = ( Copper /4.9)

Copper = 6.3 lbs.

Alloy = Zinc + Nickel + Copper

Alloy = 4.9 lbs. + 1.4 lbs. + 6.3 lbs.

Alloy = 12.6 lbs.

You might be interested in
Distribution property of-6(9-9n)
Afina-wow [57]

Answer:

you multiply the -6 by whats in the parenthesis. so it would be -54, and 54n. Because two negatives make a positive

Hope this helped!

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Given these angles: m∠3 = 82°, m∠4 = 98°.
RSB [31]
These angles are supplementary.
Complementary angles add up to 90 degrees. Supplementary angles add up to 180 degrees. 82 degrees + 98 degrees = 180 degrees.
8 0
3 years ago
How much longer is a 12cm pencil than a 1 dm pen
Alexxx [7]
Well one dm= 10 cm
12-10= 2 cm
6 0
3 years ago
-6a (2b+ 5bc) <br><br> has to be in a distributive property
LuckyWell [14K]
Answer is in the picture:

7 0
3 years ago
Is 3.14512 a rational number
zvonat [6]
No it is not because you can't make it into a fraction.
3 0
3 years ago
Read 2 more answers
Other questions:
  • Use the net to complete the surface area of the three dimensional figure a.126 units b.132 units c.154 units d.202 units
    5·1 answer
  • Find the number of distinguishable permutations of the letters in the word supercalifragilisticexpialidocious?
    15·2 answers
  • The system of equations is graphed in the figure. <br><br> What is the solution of the system ?
    8·1 answer
  • A person is raising money to go on the marching band's spring tour. He needs to raise $600. So far he has raised $570. What perc
    8·1 answer
  • What is the equation that passes through the point(-4,-4) and has a slope of 1/6
    9·1 answer
  • For the problem I see posted here already that reads - " A woman has two bank accounts. One contains $329 and awards 4% in inter
    14·1 answer
  • When rolling a die (1) what's the probability of getting an even number in two successive throws??​
    6·1 answer
  • K12 I will mark Brainlest
    9·1 answer
  • PLEASEEE HELPPP!!
    8·1 answer
  • Please help me in this :")​
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!