2 years ago

Find the mean, median, and mode

Mathematics

2 answers:

Svet_ta [14]2 years ago

5 0

D is the answer I got

zubka84 [21]2 years ago

5 0

Mean=6.5
median=3
mode=1
so the answer is d
I know its right for sure :)

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Macy wants to sell her old Playstation 4 games on decluttr.com. The wtbsite charges sellers a comission of 20%

muminat

Answer:

$28

Step-by-step explanation:

The website charges 20%, so Macy receives 80%.

Then:

80% x 35=.8 x 35=28 ....................

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2 years ago

A rectangle is 7 meters. The perimeter is 24. What is the width?

lana [24]

P=2(L+W)
if length=7
and P=24
24=2(7+W)
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2 years ago

Let s(t) be the position function of a body moving along a coordinate line; s(t) is measured in feet and t in seconds, where t ≥

Murrr4er [49]

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2 years ago

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Keith_Richards [23]

Step-by-step explanation:

each pack 15 pencil

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3 0

1 year ago

Simplify the expression(a4−6a2b2+ b4)−(−2a4+5a2b2+ 3b4) and hence, find its value for a = 2and b = −1.

ELEN [110]

Answer:

(a) $3a^4 - 11a^2b^2 -2b^4$

(b) $3a^4 - 11a^2b^2 -2b^4= 2$

Step-by-step explanation:

Given

$(a^4 - 6a^2b^2+ b^4) - (-2a^4+5a^2b^2+ 3b^4)$

Solving (a): Simplify

$(a^4 - 6a^2b^2+ b^4) - (-2a^4+5a^2b^2+ 3b^4)$

Open brackets

$a^4 - 6a^2b^2+ b^4 +2a^4-5a^2b^2- 3b^4$

Collect Like Terms

$a^4 +2a^4- 6a^2b^2-5a^2b^2+ b^4 - 3b^4$

Simplify Like Terms

$3a^4 - 11a^2b^2 -2b^4$

Solving (b): Simplify when a = 2 and b = -1

$3a^4 - 11a^2b^2 -2b^4$

$3*(2)^4 - 11*(2^2)*(-1)^2 -2*(-1)^4$

$3 * 16 - 11 * 4 * 1 - 2 * 1$

$48 - 44 - 2$

$= 2$

Hence:

$3a^4 - 11a^2b^2 -2b^4= 2$

4 0

2 years ago