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PolarNik [594]
3 years ago
13

What is 4/5x -1 = - 9/10x + 4

Mathematics
1 answer:
Zigmanuir [339]3 years ago
7 0

Answer:

4

Step-by-step explanation:

2+2=4

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Use the calculator to graph the function y = 2x2 25x + 3. What are the coordinates of the turning point of the graph to the near
olga2289 [7]

Use the calculator to graph the function y = 2x^2+ 25x + 3

In the graph , the coordinates of the vertex is the turning point of the graph.

Given function is the quadratic function. For quadratic function the graph will be U shaped parabola.

There will be only one turning point for parabola

Turning point is the vertex

To find vertex we use formula x= \frac{-b}{2a}

y = 2x^2+ 25x + 3

a=2, b= 35

x =\frac{-25}{2*2}  =\frac{-25}{4} = -6.25

Now plug in \frac{-25}{4} in f(x)

y= 2(\frac{-25}{4})^2+ 25(\frac{-25}{4})  + 3

Take common denominator

y= \frac{625}{8}+ (\frac{-625}{4})  + 3 =\frac{625-1250+24}{8} =-\frac{601}{8} = -75.125

So coordinates of turning point is (-6.25, -75.13)

The graph is attached below.

8 0
4 years ago
Read 2 more answers
Which expression is equivalent to (5^-2)(5-¹)
Natalka [10]

Answer:

Step-by-step explanation:

1/5^2 * 1/5 = 1/5^3 = 1/125

8 0
2 years ago
Compare the original trapezoid and the enlarged trapezoid.
iris [78.8K]

Answer:

13

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Can someone help me??
Rama09 [41]
Let's first find the speed Sue can run at in miles per hour.
Sue runs 1/6 mile in 1/10 hour.
To find the speed (the unit rate) we divide the distance by the time.

Sue's speed = (1/6 mile)/(1/10 hour) = 1/6 * 10/1 miles/hour = 10/6 miles/hour = 5/3 miles/hour

Bill's speed is 1/4 of Sue's speed, so we divide Sue's speed by 4 to find Bill's speed.

Bill's speed = (5/3 mph)/4 = (5/3 mph) * 1/4 = 5/12 mph

Bill's speed is 5/12 miles per hour.

Bill can run 5/12 of a mile in an hour.

30 minutes is half an hour, so in half an hour, he runs half of 5/12 of a mile.

Answer: Bill can run 5/24 of a mile in 30 minutes.
6 0
4 years ago
Area=500 height=2x+6 width=4x-3: what is the exact width?
san4es73 [151]

Area of a rectangle is lxb

(4x-3) * (2x+6) = 500

{(4x * 2x) + (4x * 6)} + {( -3 * 2x) + (-3 * 6)} - multiplying the factors

{8x^2 + 24x} + {-6x + -18}

8x^2 + 24x -6x -18 - removing the brackets

8x^2 +15x -18

Hope you found the answer helpful

8 0
4 years ago
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