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givi [52]
2 years ago
7

Which statement below is not true about plant cells.

Mathematics
2 answers:
Nostrana [21]2 years ago
8 0
Number 4 because it is not true
erastovalidia [21]2 years ago
6 0

Answer:

4

Step-by-step explanation:

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I have no idea what this is can someone please help
siniylev [52]
Plug in the number from f(x) with the x value

For example
f(9)=(9)^2-25
81-25
F(9)=56

That’s one answer.

Hope it helps!
4 0
1 year ago
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What are all the expressions that are equal to 16x-12-24x+4
Sedaia [141]

Answer:

-8x-8

Step-by-step explanation:

6 0
2 years ago
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Find AC, round to the nearest whole number​
xxMikexx [17]

20

Triangles are 180 total so just add 118 and 22 then subtract it from 180 for your answer

8 0
3 years ago
Can SOMEBODYYY please do the maths!!! PLeassssssssssssseeeeeeee
Anna11 [10]

Answer:

<h2>see below</h2>

Step-by-step explanation:

<h3>Question-6:</h3>

we are given a equation

\sf \displaystyle \:   \log_{4}( - x)  +   \log_{4}( 6 - x)   = 2

to solve so

recall logarithm multiplication law:

\sf \displaystyle \:   \log_{4}( - x \times (6 - x))  = 2

simplify multiplication:

\sf \displaystyle \:   \log_{4}(  - 6 x +   {x}^{2} )  = 2

remember \displaystyle \log_{4}(4^2)=2

so

\sf \displaystyle \:   \log_{4}(  - 6 x +   {x}^{2} )  =     \log_{4}( {4}^{2} )

cancel out \log_4 from both sides:

\sf \displaystyle \:    - 6 x + {x}^{2}   =      {4}^{2}

simplify squares:

\sf \displaystyle \:    - 6 x + {x}^{2}   =      16

move left hand side expression to right hand side and change its sign:

since we are moving left hand side expression to right hand side there'll be only 0 left in the left hand side

\sf \displaystyle \:    - 6 x + {x}^{2}  - 16  =     0

rewrite it to standard form i.e ax²+bx+c=0

\sf \displaystyle \:      {x}^{2} - 6x  - 16  =     0

rewrite -6x as 2x-8x:

\sf \displaystyle \:      {x}^{2}   + 2x  -  8x  - 16  =     0

factor out x and 8:

\sf \displaystyle \:    x  {(x}^{}   +  2)  - 8(x   + 2) =     0

group:

\sf \displaystyle \:    (x    -  8){(x}^{}   + 2) =     0

\displaystyle \: x = 8 \\ x = - 2

\therefore \: x =  - 2

<h3>Question-7:</h3>

move left hand side log to right hand side:

\displaystyle \:   \log(x ) +  \log(x - 21)  = 2

use mutilation logarithm rule;

\displaystyle \:   \log( {x}^{2} - 21x)  = 2

\log(10^2)=2 so

\displaystyle \:   \log( {x}^{2} - 21x)  =  \log({10}^{2} )

cancel out log from both sides:

\displaystyle \:   {x}^{2} - 21x =  100

make it standard form:

\displaystyle \:   {x}^{2} - 21x  - 100=  0

factor:

\displaystyle \:   {(x} + 4)(x - 25)=  0

so

\displaystyle \:   x = 25

5 0
2 years ago
The ratio of boys and girls in the class is 4:3. How many boys and girls are in the class if there are 35 students?​
Studentka2010 [4]
Answer: Boy = 20 and Girl = 15

Explanation:

Boy = 35 x 4/7 = 20

Girl = 35 x 3/7 = 15
4 0
3 years ago
Read 2 more answers
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