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Dafna11 [192]
3 years ago
7

What are the solutions to the equation x2 + 4x - 5 = 0?

Mathematics
1 answer:
s344n2d4d5 [400]3 years ago
4 0
2+2x-5=0? It’s x=3/2
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When 0.3(4x - 8) - 0.5(2.4x + 4) is simplified what is the resulting expression?
LUCKY_DIMON [66]
0.3(4x-8)-0.5(2.4x+4)
1.2x-2.4-1.2x+2
x-0.4
4 0
3 years ago
Solve the equation x2-16x+54=0
kari74 [83]

Answer:

x1 = 8+√10, x2 = 8 -√10

Step-by-step explanation:

x² - 16x + 54 = 0

x = \frac{-b +/-\sqrt{b^{2} -4ac} }{2a} \\x = \frac{-(-16)+/-\sqrt{(-16)^{2} -4*1*54} }{2*1} \\\\\\x = \frac{16+/-\sqrt{(40)} }{2*1} = 8+/-\sqrt{10} \\\\x_{1} = 8+\sqrt{10}\\\\x_{2} =8-\sqrt{10}

7 0
3 years ago
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Can someone help me out how to work on this.
enyata [817]

Answer:

I don't think any are a correct graph of the function. But here are the ordered pairs. (1,0),(0,-2),(-1,-4)

Step-by-step explanation:

Take three values for x and plug them in for your y's. For instance x values of 1,0,-1. Plug each in to find the y value. 2(1) - 2 =y so (1,0)

3 0
4 years ago
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Property taxes are based on an assessed value of $132,000 and the tax rate is 8.5 mills. The property closes on Jun 14. On a bas
defon

Answer:

$132,000 X .0085 = $1,122 / 360 = $3.1166 X 164 = $511.13

One mill is one dollar per $1,000 dollars of assessed value.

In our case 8.5 mills equivalent to 0.0085.

So to get the assessed value for one day

we will get

$132,000 X .0085 = $1,122 / 360 = $3.1166

Now we have the value for one day,

For June 14, we will calculate the days from January 1st to date

total days are 164.  i.e. 5*30+14 = 164

Finally, the seller owes

$3.1166 * 164 = 511.13

6 0
3 years ago
I had $20.00. My Mom gave me $10.00. My Dad gave me $30.00. My Aunt and Uncle gave me $100.00. I had another $1.00 How much did
Ainat [17]

Answer:

161 dollars

Step-by-step explanation:

What we know:

1. beginning value = 20 dollars

2. +10 dollars from mom

3. +30 dollars from dad

4. +100 dollars from aunt and uncle

5. +1 dollar

Add the values

20+10+30+100+1

= 161 dollars

I hope this helps!

5 0
3 years ago
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