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Butoxors [25]
3 years ago
11

HELPPPPPPPPPPPPPPPPPPPPPPPPPPP

Mathematics
2 answers:
OleMash [197]3 years ago
8 0
0.35 i hope this helpssssssssss
taurus [48]3 years ago
7 0

Answer:

0.35

Step-by-step explanation:

y = 1.7^-2

y = 0.3460

y = 0.35

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Write the ratio 1.6 : 4 as a fraction in simplest form, with whole numbers in the numerator and denominator.
skad [1K]
1.6 : 4

1.6 is also equal to 8/5

therefore,

8/5 : 4

(8/5)/4

**get the reciprocal of the denominator (4) which is equal to 1/4**

(8/5)*(1/4)

(8/4)*(1/5)

2*(1/5)

2/5

two fifth is the answer
7 0
3 years ago
Find the general solution and find the specific solutions over the interval [0,4pi]
Natasha2012 [34]

Answer:

Isolate the angle 2x, by following the reverse "order of operations".

Step-by-step explanation:

Explanation:

Step 1: Add 1 to both sides:

2

cos

2

(

2

x

)

=

1

Step 2: Divide both sides by 2:

cos

2

(

2

x

)

=

1

2

Step 3: Take the square root of both sides:

cos

(

2

x

)

=

√

2

2

or

cos

(

2

x

)

=

−

√

2

2

(don't forget the positive and negative solutions!)

Step 4: Use inverse of cosine to find the angles:

2

x

=

cos

−

1

(

√

2

2

)

or

2

x

=

cos

−

1

(

−

√

2

2

)

Step 5: Find angles that work:

2

x

=

π

4

or

2

x

=

7

π

4

or

2

x

=

3

π

4

or

2

x

=

5

π

4

Step 6: Solve for x:

x

=

π

8

,

7

π

8

,

3

π

8

,

5

π

8

or .785, 5.5, 2.36, 3.93

(decimal approximations are seen on the graph below)

5 0
3 years ago
Use a graphing calculator or other technology to answer the question.
zepelin [54]

9514 1404 393

Answer:

   (c)  y = 1.87x^2 -5.16x +10.54

Step-by-step explanation:

The attached graphing calculator output shows the best choice is the third one.

__

<em>Additional comment</em>

The best fit is offered by a function of degree about 3.7. Even a cubic offers much better fit than this quadratic.

6 0
2 years ago
Please help asap!!!!!!!!
prisoha [69]

Answer:

y=-3x-5

Step-by-step explanation:

y = mx+b

m= -11 - 1

       2 - -2

y=-3x+b

(-2,1) and (2,-11)

is

y=-3x-5

Hope this Helps:)

4 0
3 years ago
3-3x6+2= what is the right answer?
Kamila [148]
Use PEMDAS:-

3 - 3 × 6 + 2 = ?
3 - 18 + 2 = ?
-15 + 2 =
-13 

3 - 3 × 6 + 2 = -13. 
8 0
3 years ago
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