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kupik [55]
3 years ago
15

The table below shows the times and task that must be done to host a party at your house.

Mathematics
1 answer:
Ostrovityanka [42]3 years ago
4 0

Answer: A) 0.5 Hours

I got it correct!

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Four time a number r plus half a number s equals 12. Twice the number r plus one fourth of the numbers s equals 8. What are the
Snezhnost [94]

The system of equations have no solution.

Explanation:

The equations are 4r+\frac{1}{2}s=12 and 2r+\frac{1}{4} s=8

To find the two numbers, let us solve the equations using substitution method.

From the equation 2r+\frac{1}{4} s=8, let us determine the value of r,

$\begin{aligned} 2 r+\frac{1}{4} s &=8 \\ 2 r &=8-\frac{1}{4} s \\ r &=\frac{1}{2}\left(8-\frac{1}{4} s\right) \\ r &=4-\frac{1}{8} s \end{aligned}$

Let us substitute the value of r in 4r+\frac{1}{2}s=12, we get,

$\begin{aligned} 4\left(4-\frac{1}{8} s\right)+\frac{1}{2} s &=12 \\ 16-\frac{1}{2} s+\frac{1}{2} s &=12 \\ 16 &=12 \end{aligned}$

which is not possible.

This means that the system has no solution.

6 0
3 years ago
You toss a coin four times. the first, second and third toss are heads. what's the probability of the fourth toss also being hea
Ilya [14]
They are independent, so it will be 50%.
5 0
3 years ago
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HELPPPP PLEASEEEEE !!!!!What is the surface area of the composite solid?
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Answer: answer C is correct or 1,808 meters squared

Step-by-step explanation:

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3 years ago
Solve the equation by graphing the related function:<br> -x^2-5=0
Lina20 [59]

Answer:

love youre profile it's from Saiki K

Step-by-step explanation:

We use the factoring form becuase our c is zero and it in standard quadratic form so we rather factor than complete the square or quadratic formula since that is longer to do than just factor.

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Which of these is the algebraic expression for the verbal expression "ten times the difference of a number and twelve?"
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