3 years ago

What point is symmetric to (2,7) on this quadratic graph? (2,-1) (-5,0) (-2,4) (-6,7)

Mathematics

1 answer:

mariarad [96]3 years ago

4 0

Answer:

(-6,7)

Step-by-step explanation:

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Find the measure of unlabeled angle in the quadrilateral

Tpy6a [65]

Answer:

x=140

Step-by-step explanation:

A quadralterial interior angles sum up to 360. We are given three angles and need to find the missing angle.

Let x, represent the missing angle.

$60 + 55 + 105 + x = 360$

$220 + x = 360$

$x = 140$

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3 years ago

I need help simplifying this. giving brainliest as well if u help

Fofino [41]

Answer:

19x−47

Step-by-step explanation:

19x+−25+21+−43

You gotta combine the like terms

(19x)+(−25+21+−43)

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3 years ago

Which quadratic equation has a vertex at (4, 2)?

kenny6666 [7]

Answer:

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3 years ago

The fifth term of an arithmetic sequence is 23 and the 12th term is 72? Determine the first three terms of the sequence and the

Arisa [49]

Answer:

the first term is a1

the distance between the numbers is d

we have:

a5 = a1 + 4d = 23

a12 = a1 + 11d = 72

so we have the equation:

a1 + 4d = 23

a1 + 11d = 72

=> a1 = -5

d = 7

=> an = -5 + 7(n - 1) = 7n - 12

with an = 7n - 12

=> a2 = 2

a3 = 9

so the first three terms is -5; 2; 9

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3 years ago

A tiara is studded with a mixture of gems. The ratio of sapphires to emeralds is 3:1. If 6 emeralds are added, the tiara will co

anygoal [31]

Answer: Option 'A' is correct.

Step-by-step explanation:

Since we have given that

Ratio of sapphires to emeralds = 3:1

Let the number of sapphires be 3x.

Let the number of emeralds be 'x'.

According to question, if 6 emeralds are added, we get that

$3x=x+6\\\\3x-x=6\\\\2x=6\\\\x=\dfrac{6}{2}\\\\x=3$

So, Number of sapphires = 3×3 = 9

Number of emeralds = 3

So, total emeralds would be 3+ 6 = 9.

Hence, option 'A' is correct.

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4 years ago