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Lapatulllka [165]
2 years ago
9

28 is 12 less than k. k=?

Mathematics
1 answer:
maw [93]2 years ago
3 0

Answer:

40

Step-by-step explanation:

How many people i helped proves im right

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Use a graphing calculator to determine which equation for the line of regression, Pearson product-moment correlation value (r),
Ipatiy [6.2K]
The best answer is:
B) y = 6.1x + 74.5, r = 0.48
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6 0
3 years ago
In sunlight, a vertical stick has a height of 4 ft and casts a shadow 2 ft long at the same time that a nearby tree casts a shad
marshall27 [118]
Remark
Make up a proportion that relates the tree and its properties to the stick and its properties.

Givens
Stick height (s_h) = 4
Stick shadow(s_s) = 2
Tree shadow = t_s = 18
Tree height = x

Formula
s_h / s_s = x / t_s

Substitute and solve.
4/2 = x / 18  Cross multiply
4*18 = 2 * x
72 = 2x        Divide by 2
72/2 = x       
x = 36

The height of the tree is 36 feet.     
6 0
3 years ago
Emergency question! please help
Elis [28]

Answer:

2 double stuffed oreos that have 150 calories has more calories if you add that up its 300

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
38 degrees 2x degrees +6 degrees
ratelena [41]
STEP
1
:
Pulling out like terms

Pull out like factors :

32 - 2x = -2 • (x - 16)

STEP
2
:

Equations which are never true:

2.1 Solve : -2 = 0

This equation has no solution.
A a non-zero constant never equals zero.
Solving a Single Variable Equation:

2.2 Solve : x-16 = 0

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x = 16

5 0
2 years ago
What does 3ˣ + 4·3ˣ⁺¹ =<br> a. 13·3ˣ⁺¹<br> b. 5·3ˣ⁺¹<br> c. 5·3²ˣ⁺¹<br> d. 13·3ˣ
Crazy boy [7]

Answer:

D. 13*3^x

Step-by-step explanation:

3^x +4*3^x^+^1= \\3^x+4*3(3^x)=\\3^x(1+[4*3])=\\3^x(1+12)=\\3^x(13)=\\13*3^x

3 0
3 years ago
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