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irina [24]
3 years ago
14

If 30 people claim they get an average of seven hours sleep how many people claim they get six or less hours sleep each night

Mathematics
1 answer:
hodyreva [135]3 years ago
8 0

Answer:

If i did my math correctly, It should be 3 ppl

Step-by-step explanation:

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Solve for x: 12 (x – 4)| + 7 = 25.
Rasek [7]

Question:

Solve for x: $12|x-4|+7=25$. Fill in both values for x below. Write the greater value for x in the first column.

Answer:

x=5.5 and x=2.5 are the values for x.

Explanation:

The equation is $12|x-4|+7=25$

Subtracting both sides by 7,

$12|x-4|=18$

Dividing both sides by 12,

$|x-4|=1.5$

Now, we shall write the equation by removing modulus by adding plus and minus on the other side of the equation.

x-4=1.5 or x-4=-1.5

Solving the equation x-4=1.5, we get,

$\begin{aligned} x-4 &=1.5 \\ x &=1.5+4 \\ x &=5.5 \end{aligned}$     or      $\begin{aligned} x-4 &=-1.5 \\ x &=-1.5+4 \\ x &=2.5 \end{aligned}$

Thus, the solutions are x=5.5 and x=2.5

8 0
3 years ago
A rectangular prism has a height of 12 centimeters and a square base with sides measuring 5 centimeters. A pyramid with the same
Ahat [919]
A rectangular prism is a cuboid so volume of cuboid is base area x height which is 5x5x12=300
volume of pyramid is 1/3 x base area x height = 5x5x6x1/3=50 thus volume outside pyramid and inside cuboid is 300-50=250
3 0
3 years ago
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Find sinx given cos2x=5/9
Diano4ka-milaya [45]

Answer:

sinx = √2/3

Step-by-step explanation:

cos2x = 1-2sin²x

5/9 = 1-2sin²x

2sin²x =1-5/9

2sin²x = 4/9

sin²x = (4/9)/2

sin²x = (4/9)*(1/2)

sin²x = 2/9

sinx = √2/3

8 0
4 years ago
Please help <br> i’ll mark brainlyest
snow_tiger [21]

Answer:

x=7

Step-by-step explanation:

6 0
3 years ago
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What does -11 x -6 mean
yanalaym [24]
If you’re asking what -11 times -6 is it’s going to be 66!
8 0
3 years ago
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