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kolbaska11 [484]
3 years ago
13

Solve using the quadratic equation. Round your solution to the nearest hundredth of 2x^2-3x+4

Mathematics
2 answers:
ch4aika [34]3 years ago
8 0

Answer:

2x2+3x−4=0 is a quadratic equation in the form ax2+bx+c, where a = 2, b = 3, and c = − 4.

Step-by-step explanation:

Hope this helps

ANTONII [103]3 years ago
5 0

Answer:

brain list me please

Step-by-step explanation:

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What is the circumference and area of a circle of 2.1??
EleoNora [17]
I believe it is 5.14 :)
8 0
3 years ago
In order to set rates, an insurance company is trying to estimate the number of sick days that full-time workers at an auto repa
kotegsom [21]

Answer: 31

Step-by-step explanation:

Formula to find the sample size is given by :_

n=(\dfrac{z^*\cdot \sigma}{E})^2

, where z*= critical value corresponds to confidence level.

\sigma = population standard deviation.

E= Margin of error.

As per given , we have

\sigma=2.8

E=1

We know that critical value corresponding to 95% confidence level = z*=1.96

Then, the required sample size would be :

n=(\dfrac{(1.96)\cdot (2.8)}{1})^2

n=(5.488)^2

n=30.118144\approx31

Hence, the required minimum sample size = 31

3 0
3 years ago
Cone radius of 15 mm and a volume of 5890.5 mm3.What is the height of this cone?Show work.PLSSS help...
LekaFEV [45]

Answer: h = 25.0000585 mm

I can't really show work on a computer because there are symbols involved

Step-by-step explanation:

8 0
2 years ago
3x+2y=10<br> 12x+5y=25<br><br> Solve by substitution or elimination
zaharov [31]
3x + 2y = 10 ....multiply by -4
12x + 5y = 25
-------------------
-12x - 8y = -40 (result of multiplying by -4)
12x + 5y = 25
------------------add
-3y = - 15
y = -15/-3
y = 5

3x + 2y = 10
3x + 2(5) = 10
3x + 10 = 10
3x = 10 - 10
3x = 0
x = 0

solution is (0,5)
5 0
3 years ago
Where would (0.5,2) be potted ? Please answer this !!
NISA [10]

 (0.5,2)

0.5 is x value

2 is y value

         l

         l

---------------

        l

        l

x value is on dashed line (0.5)

y value is on more separated line going up and down. (2)

To plot 0.5, you can put it as an equation. 0.5= 1/2. So to plot it, 0.5 is half of 1. So plot it as in between the 1 and 0.

To plot 2 go up to the two on the y axis and then go over 0.5 and plot a point.

That is you're plotted point for (0.5,2)


Hope it helps!

7 0
3 years ago
Read 2 more answers
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