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Lerok [7]
3 years ago
13

What is the awnser for this question?

Mathematics
1 answer:
8_murik_8 [283]3 years ago
7 0

Answer:

2, 7, and 4

Step-by-step explanation:

I don't really have e a explanation

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Molly can drive her car 112 miles on 4 gallons of gas and 182 miles on 6.5 gallons.write an equation that represents the relatio
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M=28g   to get the answer divide 112 by 4 which equals 28. 28 is how much miles you get from a gallon of gas. So to get the number of miles. you multiply how many gallons
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4 years ago
What times what equals 12 but when you add those numbers together it equals positive 2
Tresset [83]

Hello from MrBillDoesMath!

Answer:

1 - i sqrt(11) , 1 + i sqrt(11)  

Discussion:

Translating the Question into mathematical symbols:

x * y = 12     (*)

x + y = 2      (**)

From (**),  y  = 2 - x. Substitute this value in (*)

x * y = x * (2-x) = 12     =>

2x - x^2 = 12               => add x^2, subtract 2x from both sides

0 =  x^2  -2x + 12    

Solving using the quadratic formula gives

x = 1 - i sqrt(11)

and

y = 1 + i sqrt(11)

Thank you,

MrB

3 0
3 years ago
What are the zeros of the quadratic function f(x) = 2x2 + 8x – 3? x = –2 – StartRoot StartFraction 11 Over 2 EndFraction EndRoot
Phantasy [73]

Answer:

The zeros are

x=-2+\frac{\sqrt{22}}{2}

x=-2-\frac{\sqrt{22}}{2}  

Step-by-step explanation:

we have

f(x)=2x^{2}+8x-3

we know that

The formula to solve a quadratic equation of the form

ax^{2} +bx+c=0

is equal to

x=\frac{-b\pm\sqrt{b^{2}-4ac}} {2a}

in this problem we have

Equate the function to zero

2x^{2} +8x-3=0  

so

a=2\\b=8\\c=-3

substitute in the formula      

x=\frac{-8\pm\sqrt{8^{2}-4(2)(-3)}} {2(2)}  

x=\frac{-8\pm\sqrt{88}} {4} 

x=\frac{-8\pm2\sqrt{22}} {4} 

x=-2\pm\frac{\sqrt{22}}{2}

therefore

x=-2+\frac{\sqrt{22}}{2}

x=-2-\frac{\sqrt{22}}{2}  

4 0
4 years ago
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I am almost broke Please help! !!Maska slid the square below 2 spaces to the right and 2 spaces down.
lora16 [44]

Answer:

oh god

you posted this question 5times already xd

the answer is 4th option maybe :O

4 0
3 years ago
Read 2 more answers
How to find the surface area
Stolb23 [73]

Answer:

158 in²

Step-by-step explanation:

<u>Surface area</u>

A = 2·(l·w + l·h + w·h)

= 2·(3in·8in + 8in·5in + 3in·5in)

= 2·(24in² + 40in² + 15in²)

= 2·(79in²)

= 158 in²

al3xis

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3 years ago
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