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2 years ago

87 hundredths as a decimal

Mathematics

2 answers:

katrin [286]2 years ago

3 0

.87 is the answer you're looking for<span />

stepladder [879]2 years ago

3 0

Ans: 0.87

See it ?
87/100

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Could someone help me with this question

Lelechka [254]

Answer:

try b=32

Step-by-step explanation:

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3 years ago

Determine the next step for solving the quadratic equation by completing the square.

Studentka2010 [4]

Answer:

The solutions are $x=\frac{1+\sqrt{7}}{2}$ and $x=\frac{1-\sqrt{7}}{2}$

Step-by-step explanation:

we have

$0=-2x^{2}+2x+3$

Group terms that contain the same variable, and move the constant to the opposite side of the equation

$-3=-2x^{2}+2x$

Factor the leading coefficient

$-3=-2(x^{2}-x)$

Complete the square. Remember to balance the equation by adding the same constants to each side.

$-3-0.5=-2(x^{2}-x+0.5^{2})$

$-3.5=-2(x^{2}-x+0.5^{2})$

Rewrite as perfect squares

$-3.5=-2(x-0.5)^{2}$

$7/4=(x-0.5)^{2}$

square root both sides

$x-0.5=(+/-)\sqrt{\frac{7}{4}}$

$x-\frac{1}{2}=(+/-)\frac{\sqrt{7}}{2}$

$x=\frac{1}{2}(+/-)\frac{\sqrt{7}}{2}$

$x=\frac{1+\sqrt{7}}{2}$

$x=\frac{1-\sqrt{7}}{2}$

4 0

3 years ago

Quick Question!! Help me out :)

Kipish [7]

Answer:

R: (16, 2)

Step-by-step explanation:

Let (x, y) be the point R

(x - 10)/2 = 3 and (y + 12)/2 = 7

x - 10 = 6 y + 12 = 14

x = 16 y = 2

R: (16, 2)

4 0

2 years ago

Fin the area of the polygons

german

Answer:45

Step-by-step explanation:

First, you need to calculate the area of the square.

(LxW)= 25.

Then, calculate the area of the triangle

(1/2BH)=5x(8/2)=5x4=20

Now, just add 20+25= 45

Please mark me brainliest :)

5 0

1 year ago

Please Help!!!

Alexandra [31]

The answer is 1.715 hope I helped

4 0

3 years ago