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GREYUIT [131]
3 years ago
10

10 pens cost £6.50. Find the cost of 4 pens

Mathematics
1 answer:
Setler [38]3 years ago
3 0
10 pens=£6.50
1 pen=£0.65
4 pens=£0.65×4
4 pens=£2.6
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For exercises 33-36 find each sum or difference 1 2/5+1 1/3
ololo11 [35]

Answer:

41/15

Step-by-step explanation:

7 0
3 years ago
Use U = {1,2,3,4,5,6,7,8,9,10}, A = {2,4,5}, B = {5,7,8,9}, and C = {1,3,10} to find the given set. AUB A. AUB = B. the solution
vesna_86 [32]

Answer:B

Step-by-step explanation:

3 0
3 years ago
When x=8 y=20. What is y when x=42?
Sergeu [11.5K]
If you would like to know what is y when x = 42, you can calculate this using the following steps:

x = 8 ... y = 20
x = 42 ... y = ? 

8 * y = 20 * 42      /8
y = 20 * 42 / 8
y = 105

The correct result would be: y = 105 when x = 42.
3 0
3 years ago
Read 2 more answers
What is the missing constant term in the perfect square that starts with x2 – 12x ?
Dima020 [189]

Answer:

x^2 -12x+36

Step-by-step explanation:

x^2 – 12x

Take the coefficient of x

-12

Divide by 2

-12/2 = 6

Square it

6^2 = 36

We need to add 36 to make x^2 -12x a perfect square trinomial

x^2 -12x+36

8 0
2 years ago
help me please!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Sunny_sXe [5.5K]
So thi sis really simple since you have an equal sign so



(n/3)-(5n/6)=1/3
to subtract fractions, make the bottom number the same
n/3 times 2/2=2n/6
(2n/6)-(5n/6) or (2n-5n)/6 so
-3n/6=1/3
multiply both sides by 6
-3n=6/3=2
-3n=2
divide both sides by 3
-n=2/3
mmultiply boht by -1
n=-2/3
tada
n=-2/3
6 0
3 years ago
Read 2 more answers
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