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vova2212 [387]
4 years ago
14

Please help ASAP! Will give BRAINLIEST! Please read the question THEN answer correctly! No guessing.

Mathematics
1 answer:
GarryVolchara [31]4 years ago
5 0

Answer:

D. ( {x} - 2)^{2}  = 7

Step-by-step explanation:

3 {x}^{2}  - 12x = 9 \\ 3( {x}^{2}  - 4x) = 9 \\  {x}^{2}  - 4 x= 3 \\  {x}^{2}  - 4x + 4 = 3 + 4 \\  {x}^{2}  - 4x +  {2}^{2}  = 7 \\ ( {x} - 2)^{2}  = 7

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I'm tired just did over 10 works help please thank you
Dafna11 [192]

Part A. For finding the quartiles, box plot would be the best to represent the range of scores of the students.

Part B. The first step is to order the data: 2 3 3 3 3 4 5 6 7 8 14. Next, you will find the median. The median is 4. So, second the quartile = 4 The median splits the remaining data into two sets. The first set is 2 3 3 3 3 and the median of this set is 3. So, first quartile = 3. The second set is 5 6 7 8 14 and the median of this set is 7. And the third quartile = 7

I did this test today i know

3 0
3 years ago
Please help asap !!!!​
disa [49]

Answer:

P = 3/8

q = 1/2

Step-by-step explanation:

(3/8)^3/8 × (3/8)^1/8 = P^q

Because of the same base, pick one of the bases

Then, add the powers

(3/8)^3/8 × (3/8)^1/8 = P^q

= (3/8)^3/8 + 1/8

= (3/8)^(3+1)/8

= (3/8)^4/8

= (3/8)^1/2

Therefore,

P^q = (3/8)^1/2

Where,

P = 3/8

q = 1/2

P^q = (3/8)^1/2

= √(3/8)

3 0
3 years ago
Please resolve this problem for me! I've been having trouble with this for a while.
Bad White [126]

Answer:

a) 41

b) -31

c) 25/3

Step-by-step explanation:

The instructions explain what a function is pretty clearly.

Basically, whatever is in the parentheses next to the f, you plug in to the expression that is the function.

ex:     f(x) = x + 4

        f(5) = 5 + 4 = 9

Okay, onto the problems:

a) f(x) = 3x - 1

First, plug in 14, since that is given:

f(14) = 3(14) - 1

and solve.

f(14) = 42 - 1

f(14) = 41

So, 41 is the answer to a.

b) Do the same thing you did in problem a. Plug in the number inside the parentheses and solve.

f(-10) = 3(-10) - 1

f(-10) = -30 - 1

f(-10) = -31

-31 is the answer to b.

c) For this problem, you have to do a bit of algebra.

First, take the base function f(x):

f(x) = 3x - 1

Then, set f(x) = 24:

24 = 3x - 1

and solve by isolating x.

25 = 3x

\dfrac{25}{3} = x

x = \dfrac{25}{3}

25/3 is the answer to c.

8 0
2 years ago
The ratio of boys to girls in the class is 2 to 8, what percent of the class is boys?​
Stolb23 [73]

Answer:a) 20%

Step-by-step explanation: 2× 100/ 8+2

5 0
3 years ago
Read 2 more answers
ANSWER CORRECTLY <br> -2.5 - 5.5=<br> MUST SHOW YOUR WORK <br> good luck
SOVA2 [1]

Answer:

the answer is -7.7  

Step-by-step explanation:

−2.2−5.5

−2.2+ −5.5

= --7.7

hope it helps :)

8 0
3 years ago
Read 2 more answers
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