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Andreas93 [3]
3 years ago
5

How many feet are in a yard

Mathematics
2 answers:
Lyrx [107]3 years ago
5 0

Answer:

3 ft.

Step-by-step explanation:

Ugo [173]3 years ago
5 0
There are 3 feet in a yard
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Solve the quadratic function by completing the square. What are the missing pieces in the steps?
Sergeu [11.5K]

Answer:

x = -2; or x = -8

Step-by-step explanation:

Solve the quadratic function by completing the square. What are the missing pieces in the steps? -32=2(x^2+10)

-32+___=2(x2+10x+25)

18=2(x+5)^2

9=(x+5)^2

+-___=x+5

X=-2 or x=___

Solution:

From the first line:

-32+___=2(x2+10x+25)

Also, in the second line:

18=2(x+5)^2

Let the missing piece on line 2 be a, hence:

x² + 10x + 25 = (x + 5)² and -32 + a = 18

a = 18 + 32 = 50

-32 + 50 =2(x²+10x+25)

18 = 2(x+5)²

Dividing through by 2:

18 / 2= [2(x+5)² / 2]

9 = (x + 5)²

Taking square root of both sides:

√9 = √(x + 5)²

± 3 = x+5

Simplifying the equation to get:

3 = x + 5; -3 = x + 5

x = 3 - 5; or x = -3 - 5

x = -2; or x = -8

9 0
3 years ago
Plz help will be marked BRAINLIEST and thanks!
Wewaii [24]

Answer:

2+32 (Or x)+16 = 50

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
Find the measure of the indicated angle
maria [59]

Answer:

AB=AC\:(given)

∠B=∠C

x=70^{o}

-------------------------------

HOPE IT HELPS

HAVE A GREAT DAY!!

6 0
3 years ago
When solving the equation 4x + 5 = 30 what should you do to both sides of the equation?
matrenka [14]

Answer:

A

Step-by-step explanation:

4x + 5 = 30 ( subtract 5 from both sides )

4x = 25 ( divide both sides by 4 )

x = \frac{25}{4}

8 0
2 years ago
Plz answer asap!!!!!!!!!!!!!!!!!!!!!!
user100 [1]

Answer:

It can be represented by the expression 2r, or “two times the radius.” So if you know a circle's radius, you can multiply it by 2 to find the diameter; this also means that if you know a circle's diameter, you can divide by 2 to find the radius. Find the diameter of the circle.

Step-by-step explanation:

you'r welcome :)

6 0
3 years ago
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