3 years ago

Explain how you found the value of the mean

2 answers:

6 0

Answer:

The mean is the average of the number. It is easy to calculate add up on the numbers, then divide by how many numbers there are.

tia_tia [17]3 years ago

3 0

Answer:

where is the equation......

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80^2 - 45^2 = a^2 - b^2 <br><br> ans pls in working, thnx in advance

Kamila [148]

Answer:

${a}^{2} - {b}^{2}= {(80)}^{2} -{(45)}^{2} \\(a + b)(a - b) = (80 + 45)(80 - 45) \\ = 125 \times 35 = \boxed{ 4375}✓$

<h3><u>4375</u> is the right answer.</h3>

4 0

3 years ago

Karla has spent $48 on food. she bought milk cheese and meat. the milk cost half as much as the cheese and the meat cost half as

skelet666 [1.2K]

C = cheese

milk is half of cheese....so milk costs 0.5c
meat is 4 times as much as cheese...so meat costs 4c
and $ 48 was spent

so ur equation would be : c + 0.5c + 4c = 48 <=

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4 years ago

Which conic section is represented by the following equation? 9x^2 – 5x – 3y^2 – 2y + 4 = 0

stealth61 [152]

Answer:

the awnser is B. Elipse

Step-by-step explanation:

its right on edge 2021

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3 years ago

Read 2 more answers

Quadrilateral ABCD is a kite. If AD=AB, find AD<br><br> A. 5/3<br> B. 7<br> C. 5/7<br> D. 22

ICE Princess25 [194]

AD = AB

AD = 2r+8
AB = 5r-13

we need to find the value of r to find the total length

so 2r+8 = 5r-13
subtract 2r from each side:
8 = 3r -13
add 13 to each side:
21 = 3r
divide both sides by 3
r = 21 / 3 = 7
r=7
now we know r, so replace r with 7 in the equation for AD

AD = 2r+8 = 2(7) +8 = 14 +8 = 22

the answer is D. 22

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3 years ago

What is the common ratio for the geometric sequence 24 -6 3/2 -3/8

Tomtit [17]

It is 25-6 7 :) that gonna be right

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3 years ago

Explain how you found the value of the mean​

Explain how you found the value of the mean