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rodikova [14]
3 years ago
11

Three times the difference of eight and twice a number is five times the number

Mathematics
1 answer:
Sophie [7]3 years ago
4 0

Answer:

3*( 8-2n)=5n

The number is 24/11

Step-by-step explanation:

three times

3*

the difference of eight and twice a number

3*( 8-2n)

is five times the number

3*( 8-2n)=5n

To solve

Distribute

3*8 -3*2n = 5n

24 -6n = 5n

Add 6n to each side

24 - 6n +6n = 5n +6n

24 = 11n

Divide each side by 11

24/11 = 11n/11

24/11 =n

The number is 24/11

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If a coin is tossed twice what is the probability of getting two heads
Degger [83]
25% because the first FLIP, it was a fifty-fifty chance. FLIP again and the chances are divided by two since you can only get 2 things, either heads or tails.
5 0
3 years ago
The conversion of a temperature from Celsius to Fahrenheit is represented by the expression below, where C is the temperature in
Ainat [17]

Answer:

B.

Step-by-step explanation:

C= 20 degrees Celsius

20 x 9/5 = 180/5

180 divided by 5 = 36 degrees celsius

Then you do 36 degrees celsius + 32 and you get 68.

So therefore 20 degrees celsius is eqivalent to 68 degrees Fahrenheit.

3 0
2 years ago
Read 2 more answers
Work out the height of a parallelogram with a base of 10m and an area of 60m2
noname [10]
Area formula of a parallelogram is
        A = base x height

Given are the
Area = 60 m² and base = 10 m

 Substitute the given:

60 = 10h  (divide by 10 to find value of h)
\frac{60}{10} = \frac{10h}{10}  (10 and 10 cancels out)

h = 6
The height of a parallelogram with a base of 10m and an area of 60m² is 6m

3 0
3 years ago
Someone help.I'm new<br>i suck at math​.Pleaseweee 50 points?
MrMuchimi

Answer:

45°

Step-by-step explanation:

Let's understand "supplement" and "complement" -- basics of geometry of angles.

  • When we say two angles, a & b, are supplementary, we mean that both ADD up to 180.
  • When we say two angles, a & b, are complementary, we mean that both ADD up to 90.

<em><u>If we have given an angle, such as "x", to find its supplement, we subtract the angle from 180. Similarly, we would need to subtract the angle x from 90 if we were to find the complement of the angle.</u></em>

<em><u /></em>

We want to find complement of 45, so we subtract 45 from 90 to get:

90 - 45 = 45°

Hence, the complement of a 45° angle = 45°

3 0
3 years ago
10=1+w solve for w please help me
ivann1987 [24]

Answer:

W=9

Step-by-step explanation:

=> 10-1=W (Transpose 1 of R.H.S to L.H.S)

=> 9=W

Hope this helps you.

5 0
3 years ago
Read 2 more answers
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