3 years ago

Instructions: Given the vertex of a quadratic function, find the axis of symmetry. (-1,3)

Mathematics

1 answer:

galben [10]3 years ago

3 0

The answer is A because of the bar graph

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DEFG is a rectangle. DF = 3x – 3 and EG = x + 21. Find the value of x and the length of each diagonal.

antiseptic1488 [7]

Check the picture below.

bearing in mind that in a rectangle, both diagonals are the same length, therefore then,

$\bf DF=EG\implies 3x-3=x+21\implies 2x=24
\\\\\\
x=\cfrac{24}{2}\implies x=12\\\\
-------------------------------\\\\
DF=3(12)-3\qquad \qquad \qquad \qquad EG=(12)+21$

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3 years ago

1/4x + 2/3y = 5

Ede4ka [16]

C and D because I just know

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3 years ago

The equation R=-0.0028t+20.8 can be used to predict the world record in the 200-m dash, where R is the record in seconds and t i

Finger [1]

Answer:

The world record for the 200-m dash will be set at 18.0 seconds in the year 2920.

Step-by-step explanation:

To find what year the record will be 18 seconds, substitute 18 in for R, and solve for t.

-0.0028t + 20.8 = R

-0.0028t + 20.8 = 18

-0.0028t = -2.8

t = 1000

The record for the 200-m dash will be 18 seconds after 1000 years. To find which year this record will be set in, add 1000 to the original date, 1920.

1920 + 1000 = 2920

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4 years ago

Please help! cube root

PIT_PIT [208]

13.) 15
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17.) 12
18.)16

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3 years ago

Please help me ty

Veseljchak [2.6K]

Just connect the dots that go through the most dots

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3 years ago

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