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Nikitich [7]
3 years ago
10

Find the value of x to the nearest tenth.

Mathematics
2 answers:
Sedbober [7]3 years ago
7 0
How do you expect us to answer your question if we dont know if it is an equation but 7.0
Alona [7]3 years ago
3 0

Answer:

8.2

Step-by-step explanation:


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2. Use the relationship you established in part 1 to find the m your work. (1 point)
S_A_V [24]

When faced with an unknown variable in a maths problem, it is advised to find the subject formula and then use it to solve the equation to find the answer.

<h3>What is an Unknown Variable?</h3>

This refers to the type of variable in a given equation that has to be solved for because its properties or value is not known.

Hence, we can see that when faced with an unknown variable in a given math problem, it is better to find the subject formula, then input the value of this into an equation, to find the value of the variable.

Read more about unknown variables here:

brainly.com/question/2133551

#SPJ1

8 0
2 years ago
I can't figure this out
andriy [413]
Suppose that equation of parabola is
y =ax² + bx + c


Since parabola passes through the point (2,−15) then 
−15 = 4a + 2b + c

Since parabola passes through the point (-5,-29), then
−29 = 25a − 5b + c

Since parabola passes through the point (−3,−5), then 
−5 = 9a − 3b + c


Thus, we obtained following system:
4a + 2b + c = −15
25a − 5b + c = −29
9a − 3b + c = −5

Solving it we get that 
a = −2, b = −4, c = 1

Thus, equation of parabola is
y = −2x²− 4x + 1

____________________

Rewriting in the form of 
(x - h)² = 4p(y - k)

i) -2x² - 4x + 1 = y

ii) -3x² - 7x = y - 11
(-3x² and -7x are isolated)

iii) -3x² - 7x - 49/36 = y - 1 - 49/36
(Adding -49/36 to both sides to get perfect square on LHS)

iv) -3(x² + 7/3x + 49/36) = y - 3
(Taking out -3 common from LHS)

v) -3(x + 7/6)² = y - 445/36 

vi) (x + 7/6)² = -⅓(y - 445/36) 
(Shifting -⅓ to RHS)

vii) (x + 1)² = 4(-1/12)(y - 445/36)
(Rewriting in the form of 4(-1/12) ; This is 4p) 


So, after rewriting the equation would be - 

(x + 7/6)² = 4(-⅛)(y - 445/36)

__________________

I hope this is what you wanted.

Regards,
Divyanka♪
__________________
6 0
3 years ago
Read 2 more answers
Hello i need help on all 3 of these if you could
adell [148]

Answer:oh okay

Step-by-step explanation:

4 0
2 years ago
Which of the following satisfies Ž -2 = 12
MA_775_DIABLO [31]

Answer:

14

Step-by-step explanation:

if z is 14 than z-2=12

because 14-2=12

7 0
2 years ago
Need number 7 the answer please.
Veseljchak [2.6K]

Answer:

h(x) = -2|x+2| + 2

Step-by-step explanation:

let me know if you want an explanation :))

8 0
2 years ago
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