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Luden [163]
3 years ago
9

I will mark as brainliest but I need the answer for these 2 questions

Mathematics
1 answer:
KATRIN_1 [288]3 years ago
4 0

1.6

2.24

Step-by-step explanation:

1.it's the same distance from the middle

2.64-12=52

76-52=24

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What is the axis of symmetry of the function f(x) =-(x+9)(x-21)
QveST [7]
<span>f(x) =-(x+9)(x-21)

Manipulating algebrically,
We get,
</span>f(x) =-(x+9)(x-21)
      = -(x^2 -21x + 9x - 189)
      = -(x^2 -12x - 189)
      = -x^2 + 12x + 189
Axis of symmetry = -b/2a
plugging the values,
x = -12/-2
   = 6
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3 years ago
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1. Estimate the y intercept for the line of best fit for the data
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Answer:

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Step-by-step explanation:

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3 years ago
In quadrilateral DBCA, name the angles which are consecutive with angle D.
lisov135 [29]

Answer: The consecutive angles with angle D are B and A.

Explanation:

It is given that DBCA is a quadrilateral. Since it is a quadrilateral it means the have 4 vertices and 4 angles D, B,C,A.

The angles are formed in the order of the figure name. If the quadrilateral name is DBCA, So the order of the angles are D,B,C,A. It means the angle immediate after D is B, the angle immediate after B is C, the angle immediate after C is A and the angle immediate after A is D.

If the quadrilateral name is DBCA it means the sides are DB, BC, CA and AD as shown in the figure.

Consecutive angles of D means the angle immediate before and after the angle D.

In the figure there are some types of quadrilateral and from the figure we can easily noticed that the consecutive angles with angle D are B and A.

3 0
3 years ago
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A quadrilateral has 4 right angles, 2 pairs of sides of equal length,2 pairs of opposite sides that are parallel. The pairs of o
tekilochka [14]
That is describing a rectangle! The only quadrilaterals with 4 right angles are squares and rectangles. Squares have equal sides but rectangles have one pair of parallel sides that is longer than the other. Hope this helps! If you get more than one answer and see it fit to do so, please mark me Brainliest Answer! Thank you!
6 0
3 years ago
Pls help - Left 1 day
aalyn [17]

Answer:

31

Step-by-step explanation:

it said 22 2's , so 22 + 9

and 0,1,3,4,5,6,7,8,9 is 9 numbers

7 0
1 year ago
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