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tensa zangetsu [6.8K]
3 years ago
7

Using the pattern, create an equation (rule) that describes this pattern.

Mathematics
1 answer:
Serggg [28]3 years ago
3 0

Answer:

  • a(n) = n² + 4n + 6

Step-by-step explanation:

<u>Stage 1</u>

  • 9 + 2 = 3² + 2

<u>Stage 2 </u>

  • 16 + 2 = 4² + 2

<u>Stage 3</u>

  • 25 + 2 = 5² + 2

<u>Equation for stage n:</u>

  • a(n) = (n + 2)² + 2 = n² + 4n + 4 + 2 = n² + 4n + 6
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Gregory knows that Triangle A B C is reflected onto Triangle A prime B prime C prime. Which statement about the figures is true?
ziro4ka [17]
Answer: if Gregory draws the segment with endpoints A and A’, then the midpoint will lie on the line of reflection.

Explanation:

Given that a triangle ABC is reflected in triangle A'B'C'

Here reflection is done on a line

If you imagine the line as a mirror then ABC will have image on the mirror line as A'B'C'

Recall that in a mirror the object and image would be equidistant from the mirror and also the line joining the image and object would be perpendicular to the mirror

But note that corresponding images will only be perpendicular bisector to the line

So A and A' only will be corresponding so AA' will have mid point on line

Option 1 is right
5 0
3 years ago
Omar went to a Chicago Cubs game and purchased 1 pound of peanuts for $1.29. How much would 7 pounds of peanuts cost?
viktelen [127]

Answer:

$9.03

Step-by-step explanation:

if one pound of peanuts cost $1.29

and you want to know how much 7 pounds costs, you multiply $1.29 by 7.

$1.29×7=$9.03

3 0
2 years ago
WORTH 50 points pls answer.<br> The two polygons are similar. Find the values of x and y
Digiron [165]

Answer:

y = 120

x = 10.6

Step-by-step explanation:

Given polygons are parallelograms.

In parallelograms, consecutive angles are supplementary which means their sum is equal to 180.

Since two parallelograms are similar:

60 + y = 180 subtract 60 from both sides

y = 120

To find the value of x:

side lengths are proportional because these are similar polygons

\frac{x+4}{22} = \frac{12}{18} cross multiply fractions

18x + 72 = 264 subtract 72 from both sides

18x = 192 divide both sides by 18

x = 10.6 approximately

6 0
1 year ago
Answer these 2 questions for 100 pts. answers only please​
aliya0001 [1]

Answer:

1.

%K = 31.904%

%Cl = 28.930%

%O = 39.166%

2.

Hg = 80.69/ 200.59 = 0.40/0.2 = 2

S = 6.436/ 32.07 = 0.20/0.2 = 1

O = 12.87/ 16.00 = 0.80/0.2 = 4

Hg2SO4 is the empirical formula

Step-by-step explanation:

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3 years ago
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Answer:

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Step-by-step explanation:

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3 years ago
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