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Dmitry_Shevchenko [17]
2 years ago
7

Please solve step by step

Mathematics
2 answers:
Bingel [31]2 years ago
8 0
Please report the picture, it is cut off :)
RoseWind [281]2 years ago
6 0

Answer:

Hopefully this is the question: 7x^{2} + 3x - x^{2}

Step-by-step explanation:

7x^{2} + 3x -x^{2}

= 6x^{2} + 3x

= 3x ( 2x + 1 )

Hopefully this helps.

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Which statement is true regarding the graphed functions?
Vladimir79 [104]

let's analyze each case to determine the solution

<u>case 1)</u> f(0) = 2 and g(–2) = 0

For x=0-----> find the value of f(0) in the graph-----> f(0)=4

For x=-2-----> find the value of g(-2) in the graph-----> g(-2)=0

therefore

the statement of the case 1) is false

<u>case 2)</u> f(0) = 4 and g(–2) = 4

For x=0-----> find the value of f(0) in the graph-----> f(0)=4

For x=-2-----> find the value of g(-2) in the graph-----> g(-2)=0

therefore

the statement of the case 2) is false

<u>case 3)</u> f(2) = 0 and g(–2) = 0

For x=2-----> find the value of f(2) in the graph-----> f(2)=0

For x=-2-----> find the value of g(-2) in the graph-----> g(-2)=0

therefore

the statement of the case 3) is true

<u>case 4)</u> f(–2) = 0 and g(–2) = 0

For x=-2-----> find the value of f(-2) in the graph-----> f(-2) is greater than 12

For x=-2-----> find the value of g(-2) in the graph-----> g(-2)=0

therefore

the statement of the case 4) is false

therefore

<u>the answer is</u>

f(2) = 0 and g(–2) = 0-------> this statement is true


6 0
3 years ago
Read 2 more answers
Can somebody help me on 23 and 24, it’s geometry
alexdok [17]

Answer:

  23.  x = 4; DE = 44

  24.  x = 25; DS = 28

Step-by-step explanation:

23. Point S is the midpoint of DE, so ...

  DS = SE

  3x +10 = 6x -2

  12 = 3x . . . . . . . . . add 2-3x

  4 = x . . . . . . . . . . . divide by 3

Then DS has length ...

  DS = 3x +10 = 12 +10 = 22

and DE is twice that length, so ...

  DE = 44

__

24. DS is half the length of DE, so is ...

  DS = DE/2 = 56/2

  DS = 28

Then x can be found from ...

  DS = x +3

  28 -3 = x = 25 . . . . . substitute value for DS

_____

<em>Comment on problem 24</em>

Sometimes it is easier to work parts of a problem out of sequence. Here, finding DS first makes finding x easier.

8 0
3 years ago
Read 2 more answers
Answer choices:<br><br> y = x<br> y = 1/4x - 2<br> y = -x + 7/4<br> y = 7/4x - 2
kumpel [21]

Answer:

all in all it's y=x

Step-by-step explanation:

A (4,1); B (0,-2)

G=delta y

--------

delta x

1-(-2)

-------

4-0

3/4=G

3/4=y-1/x-4

4 (y-1)=3 (x-4)

4y-4=3x-12

4y=3x+4-12

y=3/4x-3

5 0
2 years ago
A bag contains 4 red marbles and 5 blue marbles. If two marbles are chosen at random, one at a time and without replacement, wha
kari74 [83]
P(red) 4/9 on the first pull, P(red) 3/8 on the second pull
(4/9)(3/8) = 12/72 = 1/6 Letter D
6 0
2 years ago
Read 2 more answers
Plzzzzz Um can someone Please help me I really need help with this
irina [24]

Answer:

<h2>16.26</h2>

Step-by-step explanation:

Pythagorean Theorem | a^2 + b^2 = c^2

1) Plug in a & b

<h2>11^2 + 12^2 = c^2</h2>

2) Rewrite

<h2>c = \sqrt{11^2 + 12^2}</h2>

3) Solve

<h2>c = 16.2788206</h2>

4) Round

<h2>16.26</h2>
4 0
2 years ago
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