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
notsponge [240]
3 years ago
6

There is a balanced scale. On one side of the scale there are 5 spheres and 1 cube. On the other side of the scale there is 2 sp

heres and 3 cubes. The question is:
If cubes weigh 150 grams each, how much do the spheres weigh?
Mathematics
1 answer:
Debora [2.8K]3 years ago
4 0
The scale has two sides:
The Left Hand Side (LHS) and the Right Hand Side (RHS).
Let the weight of the sphere be represented as s
Let the weight of the cube be represented as c

Let the LHS have the 5 spheres and 1 cube, represented as = (5s + 1c)
Let the RHS have the 2 spheres and 3 cubes, represented as = (2s + 3c)

If the cube c, weighs 150 gram,  c = 150g

Since the scale is balanced, therefore the weights on the LHS would be equal to the weights on the RHS.

Therefore:        (5s + 1c) = (2s + 3c),        c = 150.
                         (5s + 1*150) = (2s + 3*150)
                         (5s + 150) = (2s + 450)    collect like terms.
                          5s  -  2s    =  450 - 150
                                    3s    =    300        Divide both sides by 3
                                       s    =   300/3
                                        s    =  100
Therefore the sphere  weighs  100 gram each.
You might be interested in
Alexa took out a $42,000 loan to remodel a house. The loan rate is 8.3% simple interest per year and will be repaid in six month
salantis [7]

Answer: The maturity value is $43743

Step-by-step explanation:

The formula for determining simple interest is expressed as

I = PRT/100

Where

I represents interest paid on the loan.

P represents the principal or amount that was taken as loan.

R represents interest rate.

T represents the duration of the loan in years.

From the information given,

P = 42000

R = 8.3

T = 6 months = 6/12 = 0.5 years

I = (42000 × 8.3 × 0.5)/100 = $1743

The maturity value is the total amount paid after the duration of the loan. It becomes

42000 + 1743 = $43743

7 0
3 years ago
Jenny has 50 square tile she arranges the tiles into a recatugular array of 4 rows. how may tile will be left over?"
Hatshy [7]
Well if you have four rows, then you could put them in four groups of twelve. 12 times 4 is 48, meaning you would have two left over.
5 0
3 years ago
Read 2 more answers
How can technology be utilized to complete constructions?
vesna_86 [32]
Technology can be used in a wide variety of constructions. When it comes to math, for example, you can use a calculator. Hope this helps
6 0
3 years ago
DETERMINE THE MISSING SIDE
MissTica

Answer:

21 in

Step-by-step explanation:

by the Pythagorean theorem we have

841=400+x^2\\\\x^2=441\\\\x=21

notice that the 841 and the 400 don't go squared because they already squared!

8 0
2 years ago
Nina owns a condominium where she paid $2,340 in maintenance fees this year. If her property taxes are 18% off this amount, how
Rufina [12.5K]
2340x0.18= 421.20

She paid $421.20 in property taxes
7 0
2 years ago
Other questions:
  • Plz helppp I need help on this
    6·2 answers
  • Evaluate the infinite geometric series 0.79 + 0.079 + 0.0079 + 0.00079 + 0.000079. Express your answer as a fraction with intege
    6·1 answer
  • Sally and sean have the same birthday. Sean is 16 and Sally is 7. how much older is Sean than Sally?
    6·2 answers
  • P(x)=x^3 -2x^2 -5x+6;3
    5·1 answer
  • 1. What values of a, b, and c would you use in the quadratic formula for the following equation?
    5·1 answer
  • Find r, the common ratio.<br> {-252, 126, -63, 31.5, ...}
    11·1 answer
  • Pls Help!
    12·1 answer
  • I need help asap<br> i need to know how to show work pls help
    6·1 answer
  • Wanda uses 3.54 cups of flour to make 6 bagels. Eli uses 2.5 cups of flour to make 5 bagels. How much more flour per bagel is ne
    12·1 answer
  • 9.6 (×-2.5)=-19.2 <br> Please help
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!