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grin007 [14]
3 years ago
7

Evaluate the expression when b= 2 and c=-5. -b+6c

Mathematics
2 answers:
Reil [10]3 years ago
8 0

Answer:

- 32

Step-by-step explanation:

- b + 6 c

Where we've

  • b = 2 and c = -5

- ( 2 ) + 6 ( -5 )

- 2 - 30

BARSIC [14]3 years ago
6 0

Answer:

-32

Step-by-step explanation:

- 2 + 6 * -5 = -32

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There are 10 matches in the competition if you count every other player you'll end up with 10

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The pH can be calculated using the equation pH = –log(H+), where H+ is the hydronium ion concentration. Find the hydronium ion c
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Step-by-step explanationp :

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3 0
2 years ago
Let logb A= 3; logb C = 2; logb D=5<br> What is the value of logb D^2/C^3A
Ne4ueva [31]

Answer:

The value of given log function is 1 .

Step-by-step explanation:

Given as :

Logb A = 3

Logb C = 2

Logb D = 5

<u>Now from log property </u>

if , Logb x = c    , then  x = b^{c}

So,

Logb A = 3 , then A =  b^{3}

Logb C = 2 , then C =  b^{2}

Logb D = 5 , then D =  b^{5}

Now, According to question

Logb\frac{D^{2}}{C^{3}A}

So, Logb\frac{(b^{5})^{2}}{(b^{2})^{3}\times b^{3}}

Or, Logb\frac{b^{10}}{b^{6}\times b^{3}}

or, Logb\frac{b^{10}}{b^{9}}

Now, since base same So,

log_{b}b^{10-9}

∴ log_{b}b^{1}

<u>Now log property </u>

log_{b}b = 1

Hence The value of given log function is 1 . answer

5 0
3 years ago
Answer this as quick as possible please! (NO EXPLANATION REQUIRED!) &lt;3
shtirl [24]

Answer: 9 Apples

Step-by-step explanation:

Given the following :

Total number of bags = 12

Mean of the distribution(m) = 8

Number of apples (x):

6 - - - - 7 - - - - 8 - - - - 9 - - - - 10

Frequency (f) :

1 - - - - 4 - - - - 2 - - - - 3 - - - - 1

Therefore :

Let number of apples in the 12th bag = y

Frequency of 12th bag : (12 - 11) = 1

Mean of distribution(m) :

Sum of ( f * x) / sum of f

Sum of (f * x) = (6*1)+(7*4)+(8*2)+(9*3)+(10*1)+(y*1)

Sum of (f * x) = (6+28+16+27+10+y) = 87 + y

Sum of f = 12

From :

m = Sum of ( f * x) / sum of f

8 = (87 + y) / 12

87 + y = 12 * 8

87 + y = 96

y = 96 - 87

y = 9

Number of apples in 12th bag is 9 apples

6 0
3 years ago
What is the replica of 2/3
Bas_tet [7]

Answer: 6

Step-by-step explanation: or 9

8 0
3 years ago
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