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MaRussiya [10]
3 years ago
12

Express each repeating decimal as a fraction. 1. 1.8[4] 2. 2.1[26]

Mathematics
1 answer:
Viefleur [7K]3 years ago
4 0
Hello,

1.8444444....=1.8+1/10*0.44444....
=1.8+1/10*4/9
=1.8+4/90
=162/90+4/90
=166/90
=83/45

2.126262626...=2.1+1/10*0.262626...
=2.1+1/10*26/99
=2.1+26/990
=2079/990+26/990
=2105/990
=421/198


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Family bought 12 oranges from the market. However, one-fourth of these oranges were rotten. How many oranges were not rotten?
sashaice [31]

Answer:

1/4 of them were rotten

rotten ones = 1/4 × 12 = 3

ones that weren't rotten = 12 - 3 = 9

4 0
2 years ago
Can someone help with 2 and 3
hammer [34]
For number 2 it's would be 12.8

Sorry I don't have time for number 3
7 0
3 years ago
Read 2 more answers
Please help with math question
Naddik [55]
1- Solution using graphs:
Take a look at the attached images.
The red graph represents the first given function while the blue graph represents the second given function.
We can note that the two graphs are the same line (they overlap).
This means that any chosen point on one of them will satisfy the other.
This means that there are infinite number of solutions to these two equations.

2- Solution using substitution:
The first given equation is:
y = -5x + 3 ...........> equation I
The second given equation is:
2y + 10x = 6 ...........> equation II

Substitute with I in II and solve as follows:
2(-5x+3) + 10x = 6
-10x + 6 + 10x = 6
0 = 0
This means that there are infinitely many solutions to the given system of equations.

Hope this helps :)

3 0
2 years ago
I need help with this?
Anastaziya [24]

Answer:

it is 7

Step-by-step explanation:

6 0
3 years ago
Guys please help me with this !!!! Right answers plz
ziro4ka [17]

Answer:

42.5

Step-by-step explanation:

When you do the bottom corners, it 2x2 divided 2 then you do 2x2, then 5x2 divided by 2 you do 3.5x9.0 when you add all of them up you get 42.5.

4 0
3 years ago
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