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Aleksandr-060686 [28]
3 years ago
12

20 POINTS HURRY PLZZ WILL GIVE BRAINLIEST

Mathematics
2 answers:
galben [10]3 years ago
6 0

Answer: 3 x 17 = 51

Step-by-step explanation: 51 / 3

Ket [755]3 years ago
3 0

Answer:

3x = 51

Step-by-step explanation:

Three and a variable multiplied equals 51.

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What is the explicit formula of -1,-3,-9,-27
TEA [102]

Answer:

(-1)* (3)^(n-1)

Step-by-step explanation:

common ratio is 3 and the first term is -1

the explicit formula is a * r^ ( n-1)

i.e., (-1) * 3^(n-1)

3 0
3 years ago
Given the exponential equation 3x = 243, what is the logarithmic form of the equation in base 10?
weeeeeb [17]
The answer is x= \frac{log_{10} (243 )}{log_{10} (3 )}

3^{x} =243
Logarithm both sides of the equation:
log_{10} (3^{x} ) = log_{10} (243 )
Since: log (a^{b}) = b*log(a), then: log_{10} (3^{x} ) =x*log_{10} (3 )
Back to our equation:
log_{10} (3^{x} ) = log_{10} (243 ) \\ 
x*log_{10} (3 ) = log_{10} (243 ) \\ 
x= \frac{log_{10} (243 )}{log_{10} (3 )}



6 0
3 years ago
Help please!!! | DON'T GUESS, please show work
Aleksandr-060686 [28]
For one of the triangular sides, 2.6 x 4 = 10.4 divided by 2 = 5.2
Other triangle; 2.6 x 3 = 7.8 /2 = 3.9
Rectangular side in front; 6.5 x 3 = 19.5
Back; 6.5 x 4 = 26
Base; 6.5 x 2.6 = 16.9
Answer: For the surface area it is 74.6 (SUPER SORRY IF THIS ISNT RIGHT OMG)
5 0
3 years ago
What is the 75% of 1119
Dominik [7]

Answer:

839.25

Step-by-step explanation:

75 x 1119 / 100 = 839.25

5 0
3 years ago
Read 2 more answers
Lucy is tiling her bathroom. She buys white and blue tiles in the
balandron [24]

Answer:

£289.20

Step-by-step explanation:

13:2 = x:16 or 13/2 = x/16

cross multiply: 208 = 2x

simplify: x = 104

16 blue tiles x £2.80 each = £44.80

104 white tiles x £2.35 each = £244.40

44.80 + 244.40 = £289.20

7 0
3 years ago
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