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quester [9]
3 years ago
11

20 points!! pls help

Mathematics
1 answer:
Zina [86]3 years ago
7 0

Answer:

29.7 lbs

Step-by-step explanation:

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Hi, could you please tell me how to do question number 9? I understand how to find the surface area of question 8 but question 9
Dvinal [7]

Answer:

3.6 liters

Step-by-step explanation:

So the ceiling an the walls, you are covering 5/6 surfaces.

Front  4.2*2.5= 10.5

Side    4*2.5=10

1 Top  4.2*4= 8.4

All together =28.9 M /8= 3.6 liters of paint would be needed

4 0
4 years ago
the average number of chocolate chips in a particular brand of chocolate chip chewy cookie is 19. the standard deviation is 2.6.
zzz [600]

The probability illustrated shows that the

percent of cookies would have between 13.8 and 24.2 chips is 95.44%.

<h3>How to calculate the probability?</h3>

It is important to note that the requirement to solve the probability between z-values is to know that the probability between the z-values is the difference between the probability of the greatest z-value and the lowest z-value.

This will be illustrated thus:

Z value for 13.8, z =(13.8-19)/2.6 =-2

Z value for 24.2, z =(24.2-19)/2.6 = 2

P( 13.8<x<24.2) =P(-2<z<2)

=P( z <2 –P(z < -2)

=0.9772 -0.0228

=0.9544

= 95.44%

The percent is 95.44%.

Learn more about probability on:

brainly.com/question/24756209

#SPJ1

5 0
1 year ago
4(5x - 2) = 72<br> What do I do
Pepsi [2]

Answer:

x = 4

Step-by-step explanation:

4(5x - 2) = 72

Do the distributive property

20x - 8 = 72

Then add 8 to both sides to get 20x alone

20x - 8 = 72

      + 8  + 8

20x = 80

Then divide both sides by 20 to get x

\frac{20x}{20} = \frac{80}{20}

x = 4

6 0
3 years ago
What are the solutions to the equation 5 = |x|? Choose all answers that are correct. A. -1/5 B. -5 C. 5 D. 1/5
frez [133]

Answer:

B. -5

C. 5

Step-by-step explanation:

The absolute value means make it positive.

When solving an equation with an absolute value it means we have two solutions, a positive and a negative

|x| =5

x = 5 and x = -5

4 0
3 years ago
Brain Builders
MrRa [10]
Fatmagul neushe mode
7 0
3 years ago
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