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
ikadub [295]
3 years ago
14

A metal is made from copper, zinc and lead in the ratio 13:6:1 respectively. The mass of zinc is 90kg. Calculate the mass of the

metal
Mathematics
2 answers:
Katarina [22]3 years ago
6 0

Answer:52

Step-by-step explanation:

y

Vanyuwa [196]3 years ago
3 0

Answer:

let the ratio of zinc be x

6x

mass of the zinc=90kg

6x=90

x=15

for other metals

copper=13x=13*15=195kg

lead=x=15kg

mass of whole metal=195+90+15=300kgStep-by-step explanation:

You might be interested in
How can i use compatible numbera for 22x26
madam [21]
I'm not sure .... but I think you can use cross multiplication to find out the answer.... and then there's another step to finding the compatible numbera
6 0
3 years ago
HELPPPPPP ASAPPPPPP!!!!
Dennis_Churaev [7]

Answer:

6.96cm^2

Step-by-step explanation:

Area of triangle:

Base*height/2

5.8*2.4/2

Area = 6.96cm^2

5 0
3 years ago
Read 2 more answers
Please help me please please please​
harina [27]

Answer:

it may as well stay same or not move because of two equal forces acting on it

Step-by-step explanation:

3 0
3 years ago
What is the measure of the missing angle?
romanna [79]

Answer:

42 degrees!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Step-by-step explanation:

One angle is 132 = the 90 degree angle and the ? mark combined

soooooooooooooooooooooooooooooo................................

132-90=?

42=?

?=42

6 0
3 years ago
(2x3 + 7x2 + x) + 2(x2 - 2x - 6) splifly
zimovet [89]

Answer:

2x³ + 3(3x - 4)(x + 1)

Step-by-step explanation:

(2x³ + 7x² + x) + 2(x² - 2x - 6)

2x³ + 7x² + x + 2x² - 4x - 12

2x³ + 9x² - 3x - 12

2x³ + 3(3x² - x - 4)

2x³ +3(3x - 4)(3x + 3)/3

2x³ + (3x - 4)(3x + 3)

2x³ + 3(3x - 4)(x + 1)

8 0
3 years ago
Other questions:
  • Explain why leg leg(LL) theorem is the same as the side angle side postulate
    5·1 answer
  • According to the diagram what is the approximate perimeter of the proposed petting zoo
    15·1 answer
  • What is the geometric mean of 30 and 6
    14·2 answers
  • suppose the length of a rectangle is one more than its width, and has an area of 60 ft squared. find the dimensions of the recta
    12·1 answer
  • A right triangle, one exterior angle is 155°, what is measure of non adjacent, non right angle?
    15·1 answer
  • Question no. 6, can anyone help?
    14·1 answer
  • What is the answer to > solve 4cos (theta/3) -2 = 0, over [0, 4pi)
    11·1 answer
  • 150 people went to see "ode to algebra" performed in the school adituriom, if the number of children that attended the performan
    14·1 answer
  • The ratio of the number of adults to the number of children at a concert is 5 to 3. If there is a total of 120 people at the con
    11·2 answers
  • A boat moving at a constant rate will travel 26 miles in 2 hours. If the boat maintains this rate, how many miles will the boat
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!