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maria [59]
3 years ago
5

Work out the length of x.

Mathematics
1 answer:
Harlamova29_29 [7]3 years ago
8 0
1.6mm cuz yes and if wrong my bad g
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What’s 2 +2x7x8+3x78=?
Xelga [282]

Answer:348

Step-by-step explanation:

6 0
2 years ago
A ship travels 62.5 km in 1st hour of sailing. Starting from 2nd hour, the distance travelled per hour is x% of that in the prec
Bas_tet [7]
Speed of the ship in the second hour =  (62.5 * x ) / 100  kph.

In third hour it is  [(62 * x) / 100 ] * x/100]

is 4th hour its is the above * x/100 again  so we can now form the equation

62.5x      x          x
------- *   ----  *  ----    =  32
100      100      100

62,5 x^3 = 32,000,000
x^3 =  512,000
x = 80 <-----  Answer  to (a)

(b)  Ship travels 62.5 in first hour then  this falls by a common ratio of 0.8 each hour so we have a geometric sequence 

Dist travelled in 6 hours  =  a1  1 - r^n
                                                --------  = 62.5* (1 - 0.8^6) / 1 -0.8 = 230.56

                                               1 - r

Answer is    230.56 km 




5 0
3 years ago
(-1)(-11) please solve!!
Zinaida [17]

Answer:

A positive 11

Step-by-step explanation:

11 is your answer

8 0
3 years ago
Sierra left $17.75 as a tip for a waiter. This was 20% of the bill before the tip. How much was her total bill before the tip
iris [78.8K]

Answer:

$31.95 Before tip.

Step-by-step explanation:

I believe you should just add 17.75+80%=31.95

4 0
2 years ago
Read 2 more answers
Just do a c e g and i​
marta [7]

Answer:

A, 1.57

C.0.971

E.88.3

G.3.28

I.72.9

3 0
3 years ago
Read 2 more answers
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