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3 years ago

Is the answer A or C?

Mathematics

1 answer:

Brilliant_brown [7]3 years ago

8 0

Area=(base x height)/2
base=5.8 cm
height=2.4 cm

Area=(5.8 cm * 2.4 cm) / 2=6.96 cm²

The answer is A 6.96

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a) Does the Range Rule of Thumb estimate more often underestimate or overestimate the actual standard deviation?

qwelly [4]

Yes it dose hope this helped :)

8 0

3 years ago

The midpoint of segment QR is M(-2, 9). One end point of segment QR is Q(-8, 12). Find the coordinates of the other endpoint, R.

DanielleElmas [232]

Here,

The midpoint of segment QR is M

m(-2,9) x3=-2,y3=9

Q=(-8,12)x1=-8,y1=12

R=x2,y2

we know that,

$\tt{ m=\dfrac{Q+R}{2} }$ ⠀

So,

x3= $\tt{\dfrac{x1+x2}{2} }$ ⠀

$\tt{-2=\dfrac{-8+x2}{2} }$ ⠀

$\tt{-2×2=-8+x2 }$ ⠀

$\tt{x2=8-4 }$ ⠀

$\tt{x2=4 }$ ⠀

x2=4

now we find the y coordinate y2.

y3= $\tt{\dfrac{y1+y2}{2} }$ ⠀

$\tt{9=\dfrac{12+y2}{2} }$ ⠀

$\tt{9×2=12+y2 }$ ⠀

$\tt{y2=18-12 }$ ⠀

$\tt{y2=6 }$ ⠀

y2=6

Now we get the two coordinate of R

so,

R=(x2,y2)=(4,6)

7 0

2 years ago

(PLEASE SHOW UR WORK)

Lostsunrise [7]

First you wanna distribute the 3 to x and 4
So the problem will then be 3x+12= 27
Then you wanna subtract 12 from 27
You get 3x = 15
Now you wanna divide 3x and 15 by 3
You then get X = 5

8 0

3 years ago

7s + m + t = l

Travka [436]

Answer:

s=I-t-m/7

s=a-12/3

s=g-22/5

s=r-q/-3

8 0

2 years ago

A contestant on a game show has 30 points. She answers a question correctly to win 15 points. Then she answers a question incorr

loris [4]

30+15=45
45-25=20
The contestants final score is 20

5 0

3 years ago

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