2 years ago

Ellen is drawing two polygons. One of the polygons has three more angels than the other. What shapes could she be drawing

Mathematics

1 answer:

harina [27]2 years ago

5 0

Answer:

brainly.com/question/8538275

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What is the solution of -(x + 1) - 5 > 10

Pie

-(x + 1) - 5 > 10
-x - 1 - 5 > 10
- x - 6 > 10
Add 6 to the both sides,
-x - 6 + 6 > 10 + 6
-x > 16
x < -16 [ changed sign 'cause changed -sign ]

In short, Your Answer would be x < -16

Hope this helps!

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3 years ago

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What is the percentage of 67

Klio2033 [76]

100% of 67 equals 67

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3 years ago

Find the sum of the first 12 terms of the sequence. Show all work for full credit. 1, -4, -9, -14, . . . (2 points)

My name is Ann [436]

Answer:

$S_n=$ -348

Step-by-step explanation:

We are given the following arithmetic sequence and we are to find the sum of its first 12 terms:

1, -4, -9, -14, . . .

For that, we will use the formula for the sum of the arithmetic mean:

$S_n=\frac{n}{2} (a_1+a_n)$

We know the value of the first term ( $a_n$ ) but we need to find the value of $a_{12}$ . So we will use the following formula:

$a_{12}=a_1+(n-1)d$

$a_{12}=(-4)+(12-1)(5)$

$a_{12}=-59$

Substituting these values in the sum formula to get:

$S_n=\frac{12}{2} (1+(-59))$

$S_n=$ -348

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3 years ago

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21/x=84/120 solve the proportion

Nimfa-mama [501]

Answer: X= 30

Step-by-step explanation:

Hope that helped :)

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3 years ago

From your home, the route to the store that passes the beach is 2 miles shorter than the route to the store that passes the park

densk [106]

Then, distance of route passes the beach = x

Let the distance of route that passes the park = x+2

So, their sum would be: x+x+2 = 2x+2

So, option C Is your answer.......

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3 years ago

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