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HACTEHA [7]
3 years ago
11

Which is the best approximation for the solution of the system of equations?

Mathematics
1 answer:
Olenka [21]3 years ago
4 0

Answer:

see explanation

Step-by-step explanation:

2. y=3x-2

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What are the coordinates of the turning point for the function f(x) = (x + 2)3 − 4?
AnnZ [28]

Answer:A

Step-by-step explanation:

Given

F(x)=(x+2)^3-4

Turning Point is the point where the graph changes its nature i.e. either increasing to decreasing or decreasing to increasing

to find turning point

F'(x)=3(x+2)^2+0

For critical point

F'(x)=0

3(x+2)^2=0

x+2=0

x=-2

F(x)=(-2+2)^3-4=-4

thus

(-2,-4 ) is the turning Point where Function changes its nature

7 0
3 years ago
A stick 1 meter long casts a shadow 0.6 meters long. A building casts a shadow 25 meters long. How tall is the building (to 2 de
zloy xaker [14]

Answer:

41.67

Step-by-step explanation:

Using the tangent on the stick with shadow:

tan(θ) = \frac{1}{0.6}

Using the tangent on the building:

tan(θ) = \frac{h}{25}

⇒ h = 25 · tan(θ)

       = 25 · \frac{1}{0.6}

⇒ h = 41.66... ≈ 41.67

8 0
3 years ago
What is the unit rate of $4.20 for 6 muffins
Sergio [31]
Well, you would divide 4.20/6 to find the price of just 1 muffin. 4.20/6 is 0.7, meaning that the price for one muffin is 70 cents.
7 0
3 years ago
50 POINTS Really need help, answer a. b. and c.
AleksandrR [38]

Answer:

a) 1 in : 6 in

b)  P=32 inches

    A =60 inches ^2

c) P=  16 ft

    A = 15 ft ^2

Step-by-step explanation:

The drawing is 6 inches tall, while the real flag is 3 ft tall

Change ft to inches

3 ft * 12 inches/1ft = 36 inches

drawing : real life

  6                 36

 Divide each by 6

  1                    6

The scale is 1 to 6

So for every 1 inch on the drawing, there is 6 inches in real life


b)  P= 2(l+w) = 2(10+6) = 2(16) = 32 inches

    A = l*w = 10*6 =60 inches ^2

C)

The drawing is 10 inches by 6 inches

Multiply by the scale factor of 6

Real life is     60 inches by 36 inches

Divide by 12 to get back to ft

                            5ft    by 3 ft

P= 2(l+w) = 2(5+3) = 2(8) = 16 ft

    A = l*w = 5*3 =15 ft ^2

4 0
3 years ago
The answer to the length of x is in mm. please help!
romanna [79]

Answer:

3.69 mm

Step-by-step explanation:

So it's a right triangle so you can use a^2+b^2=c^2

Plugging in what we know the equation becomes:

2.8^2+2.4^2=c^2 (C = x because x is the hypotenuse)

7.84+5.76=c^2

13.6=c^2

The square root of 3.68782 which rounds to 3.69

So x=3.69mm

4 0
3 years ago
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