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Rasek [7]
3 years ago
6

Solve the quadratic equation by completing the square. −2x2 + 2x + 5 = 0

Mathematics
1 answer:
seraphim [82]3 years ago
3 0

x

≈

2.15831239

,

−

1.15831239


if i read the question correctly.  im not sure if you meant to have '-2x^2' but thats what i did the work for.

-love shrooms!!

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A pipe is 36 feet long. It needs to be cut into pieces that are each 3/4 feet long. How many pieces can be made from the pipe?
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4 0
3 years ago
3x-7y=14
Mademuasel [1]

Answer:

A. \frac{3}{7}

Step-by-step explanation:

The given equation is

3x-7y=14

We solve for y by  subtracting 3x from both sides to obtain;

-7y=14-3x

We now divide through by -7 to get;

y=\frac{-3}{-7}x+\frac{14}{-7}

This simplifies to;

y=\frac{3}{7}x-2

This equation is now in the form y=mx +c, where m=\frac{3}{7} is the slope.

4 0
2 years ago
Hello what is 100^4<br> pls help asap my homework
finlep [7]

▪▪▪▪▪▪▪▪▪▪▪▪▪  {\huge\mathfrak{Answer}}▪▪▪▪▪▪▪▪▪▪▪▪▪▪

Solution ~

  • 100 {}^{4}

  • 100 \times 100 \times 100 \times 100

  • 100000000

or it can also be expressed as ~

  • 10 {}^{8}

6 0
2 years ago
Read 2 more answers
Can you give a reason why a calculator shows 2/3 equal to 0.666666667
frosja888 [35]
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