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Anna71 [15]
3 years ago
11

Can someone please help me with these 3 questions I’ll mark brainliest

Mathematics
1 answer:
pshichka [43]3 years ago
7 0

Answer:

2/ triple need video for the third answer

Step-by-step explanation:

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A scale drawing of a door is 2 cm high. If the scale is 1 cm = 4 meters, what is the actual height of the door?
Vanyuwa [196]
2*4= 8 meters

You could multiply every centimeter by the scale of 4 because 1 cm= 4 meters.

I hope this helps!
~kaikers
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alukav5142 [94]
We know that Zoey can tile 1.25 square yards in 20 minutes (which is 1/3 of an hour) so we wanna see how much she can tile in an hour. Multiply 1.25 by 3.

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5 0
3 years ago
PLEASE HELP ME!!!!
luda_lava [24]

Answer:

3.00

Step-by-step explanation:

Given that :

Payout(X) : ___ 0 ___ 4 ___ 6 ____ 8 _____ 10

Probability (p(x) 0.5 _ 0.2 __0.15 __0.1 ___ 0.05

Expected value :E(X) = ΣX* p(x)

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E(X) = 3

Expected value = 3.00

8 0
3 years ago
6 1/2 X 2 2/4= i really need asap
dolphi86 [110]

6 1/2 ÷ 2 3/4
6 1/2 × 2 4/3
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Answer = 12 2/3

6 0
3 years ago
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Write an equation of the line with a slope of 2 and y-intercept of −8.<br> 3
Sergeu [11.5K]
Y=2x-8 i believe would be ur answer hope this helps
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3 years ago
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