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sveta [45]
4 years ago
5

I need help any answers?

Mathematics
1 answer:
Mrrafil [7]4 years ago
3 0

Answer:

1.6 square feet

Step-by-step explanation:

area \: of \: rectangle  \\ = l \times w \\  = 4 \times  \frac{4}{10} \\  =  \frac{16}{10}   \\  = 1.6 \:  {ft}^{2}  \\

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30% of Americans will fall asleep before midnight. For every 500 Americans, about how many will be sleeping before the New Year?
Zolol [24]

Answer: 150

Step-by-step explanation:

30% = 0.3

100-30=70

70% = 0.7

0.7 X 500 = 350

500-350 = 150

5 0
3 years ago
Read 2 more answers
Determine whether the ordered pairs (1,4) and 6,
devlian [24]

Answer:

Not solutions.

Step-by-step explanation:

-5x+6y=-5

6y=-5+5x

6y=5x-5

y=5/6x-5/6

-5/6 is about -0.833

And the slope is 5/6.

So for every x there is 5/6y.

This means (1, 4) won't work cause it's too low.

Also 5/6*6=5. this is too low too.

So they aren't solutions.

3 0
2 years ago
X(2x-8) = 0 how do you solve
sleet_krkn [62]

x * 2x = 3x   X*-8= -8x

minus 3x on both side

= -11x

-11x = 0

divide -11 on both side

= 0

4 0
3 years ago
how do I figure out the weight loss of tina? she lost 3 pounds on the first week of her diet. she gained a pound on the second w
hram777 [196]
1st week - Lost 3 pounds = +3 
2nd week - Gained 1 pound = -1    
3+13 = + 22       

So 22+3 = 25                 25-1 = 24 

So Tina lost 24 pounds in 13 weeks. 
8 0
3 years ago
What is the measure of the corresponding central angle for XY in radians?
beks73 [17]

Answer:

4 radians

Step-by-step explanation:

Arc Length (Radians) = rθ

Given Arc Length XY  = 40cm and radius, r = 10cm,

we will substitute these 2 values into the formula to find θ.

(10)θ  = 40

θ = 40 / 10

= 4 radians

5 0
3 years ago
Read 2 more answers
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