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jonny [76]
3 years ago
7

HELP ME PLEZ Im timed lol

Mathematics
2 answers:
goldenfox [79]3 years ago
8 0

Answer:

1.) $1

2.)$4

3.)$12

4.)3/4

Step-by-step explanation:

32(.5)=16

she had 16 left after lunch. 16(.25)=4

16-4=12

1/2=2/4

2/4+1/4=3/4

Alex17521 [72]3 years ago
3 0

Answer:

1) lunch 16

2) coffee 4

3) 12

4) 3/4ths or .75 or 75%

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Jobisdone [24]

Answer:

I'm pretty sure X and Y intercept! I may not be correct though

3 0
3 years ago
X^2 + 1/2x + = 2 + <br> Help please
Gennadij [26K]

Answer:

Step 2:

For Completing the square,

(\frac{1}{2} coefficient\ x)^{2} =(\frac{1}{2}\times \frac{1}{2})^{2}=\frac{1}{16}

Add half coefficient of x square on both the side we get

x^{2}+\dfrac{x}{2}+\frac{1}{16}=2+\frac{1}{16}

Step-by-step explanation:

Solve:

2x^{2}+x-4=0

2x^{2}+x=4

Solution:

Step 1:

Dividing both the side by two we get

x^{2}+\dfrac{x}{2}=2

Step 2:

For Completing the square,

(\frac{1}{2} coefficient\ x)^{2} =(\frac{1}{2}\times \frac{1}{2})^{2}=\frac{1}{16}

Add half coefficient of x square on both the side we get

x^{2}+\dfrac{x}{2}+\frac{1}{16}=2+\frac{1}{16}

Step 3:

We know (a +b)^{2} = a^{2}+2ab +b^{2}

(x+\frac{1}{4})^{2}=\frac{33}{16} \\ \\(x+\dfrac{1}{4})=\pm \sqrt{\dfrac{33}{16}} \\\\x=-\dfrac{1}{4}\pm \sqrt{\dfrac{33}{16}}

6 0
4 years ago
Red 25 green 10 blue 15 probability of the green
Leto [7]
Total = 25 + 10 + 15 = 50
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P(green) = 25/50  = 1/2

Answer: 1/2
7 0
4 years ago
Read 2 more answers
John recieves £173 per week after working for 25 hours. How much does he get per hour
inessss [21]

Answer:

Amount John gets paid per hour 6.92 Dollars per hour ,

Step-by-step explanation:

To find how much he gets paid per hour we need to divide the total payment he received by the total number of hours he worked.

Amount John gets paid per hour = \frac{173}{25} Dollars per hour.

                                                       =6.92 Dollars per hour

4 0
4 years ago
Solve 8x 2 - 2x - 1 = 0<br><br> {-1/4, 1/2}<br> {-1/2, 1/4}<br> {1/2}
Kamila [148]
<span>8x^2 - 2x - 1 = 0
(2x - 1)(4x + 1) = 0
2x - 1 = 0; x = 1/2
4x + 1 = 0;x = -1/4

answer
</span><span>{-1/4, 1/2}</span>
4 0
4 years ago
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