2 years ago

Please hurry it’s missing and I need it fast

Mathematics

2 answers:

sattari [20]2 years ago

3 0

2. 83 R 2
3. 82 R 1111 etc

aalyn [17]2 years ago

3 0

2) 83 with R1
3) 82 with R1

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Identify each triangle based on angles. (Acute, Obtuse or Right) PLEASE HELP

saveliy_v [14]

Answer:

4.right

5. obtuse

6. acute

7. obtuse

8.acute

9. right

10. right

11. acute

12. obtuse

hope this helps

have a good day :)

Step-by-step explanation:

7 0

2 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]

<u>Answer:</u>

$S_n=$ -348

<u>Step-by-step explanation:</u>

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

4 0

3 years ago

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11,17,18,19,23,21,14 what is the median

Tema [17]

The median is 18.
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8 0

3 years ago

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(hurry show ur work) what is 8 6/8 ÷ 2 2/5 = ?

gizmo_the_mogwai [7]

Answer:

175/48 or 3.64

Step-by-step explanation:

■ Refer to the attachment.

Hope it helps ⚜

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1 year ago

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Help!!!!!!!!!!!!!!!!

Nesterboy [21]

Answer:

for Mr farley I got 70 and for Mr samuels I got also 70 and there is no difference because they both have the same mean I hope I helped

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2 years ago