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ki77a [65]
3 years ago
11

Which of the following constants can be added to x^2 - 10x to form a perfect square trinomial?

Mathematics
2 answers:
Alchen [17]3 years ago
8 0
Halve middle term
-10/2=-5
squaer it
(-5)^2=25
that is what should be added

answer is 25
lidiya [134]3 years ago
8 0

b)-25 is the correct answer.

I just did this exact question in my schooling.

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What’s the answer 3y+5<10
photoshop1234 [79]

Answer:

y < 5/3

Step-by-step explanation:

3y + 5 < 10

Let's subtract 5.

3y < 5

Okay. We have something manageable. Let's divide by 3.

y < 5/3

That's our answer.

4 0
3 years ago
A triangle has one side measuring 5 feet and two sides measuring 7 feet. What kind of
Svetllana [295]

Answer:

isoceles but not equilateral

Step-by-step explanation:

it has two sides that are the same length, but not all three sides are the same length

An equilateral triangle is therefore a special case of an isosceles triangle having not just two, but all three sides equal

8 0
3 years ago
Write the standard equation of the circle with the given Center and radius:
Kipish [7]

9514 1404 393

Answer:

  B.  (x +4)² +(y +5)² = 64

Step-by-step explanation:

The equation for a circle with center (h, k) and radius r is ...

  (x -h)² +(y -k)² = r²

Filling in your given values, you have ...

  (x -(-4))² +(y -(-5))² = 8²

Simplifying, you get ...

  (x +4)² +(y +5)² = 64 . . . . . . . matches choice B

_____

<em>Additional comment</em>

As you learn more different "standard form" equations, it may be helpful to keep a list, along with reminders of what the variables stand for and how the equation is used.

5 0
3 years ago
Consider the following pair of equations:
nlexa [21]
Since both of the equations equal Y can substitute one for the Y and say that
X-1=3x+3
-4=2x
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7 0
3 years ago
The square with side length 2 cm is dilated by a scale factor of 7/3 is the dilated image larger or smaller than the original im
qwelly [4]
Length of square side= 2 cm
Dilation factor= 7/3
Simplify 7/3= 2.33
Apply the dilation factor:
Length of side= 2.33 x 2 = 4.67 cm
As the length of the side of the square is increased in length, which means the dilated image is larger than the original image.

Answer: Larger than then original. 
8 0
3 years ago
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