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Nataliya [291]
2 years ago
12

Measuring the width of a book.

Mathematics
2 answers:
sweet-ann [11.9K]2 years ago
5 0
Lol what’s the question
barxatty [35]2 years ago
5 0
What is the problem?
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PLEASE ANSWER ASAP NEED HELP REALLY BAD CALLING OUT TO ALL MATH PROS WHO CAN HELP ME PLEASE!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
sergeinik [125]

Answer:

<abd is 90

<abc is 44

this isnt that hard im in middle school and doing this

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
Please show work.<br> 3. Solve the given inequality and graph the solution on a number line.
adelina 88 [10]

Answer:where’s the number line?

Step-by-step explanation:

8 0
2 years ago
Find the surface area of a solid cylinder with radius 2m and length 6m ( famula)π=3.14​
Softa [21]

Answer:

100.544m

Step-by-step explanation:

Surface area of a cylinder = 2pie x rh + 2pie x r² where pie = 3.142

Therefore, (2x3.142x2x6) + (2x3.142x2²) =100.544m

6 0
2 years ago
The scores on an achievement test are normaly distributed with mean µ = 100 and standard deviation σ = 100. What should the scor
ser-zykov [4K]

Answer:

the student should score atleast 229 to be among the top 10%.

Step-by-step explanation:

in terms of the normal distribution, and if the table that you're using calculates the area of the normal distribution from the mean to a point x, only then what we are actually finding the value 'x' at which the z-score is at 40% (the rest 50% is already skipped by the table)

P(0.4) = \dfrac{x - \mu}{\sigma}

after finding the the value at this z-score, we can find the value of x at which the score is in the top 10% range.

we can find the z-score either using a normal distribution table or calculator. (but be sure what area is it calculating)

looking at the table the closest value we can find is, 0.4015 at z = 1.29 ((it is above 40% because we want to be in the top 10% range)

P(0.4015) = \dfrac{x - 100}{100}

1.29 = \dfrac{x - 100}{100}

x = 1.29(100) + 100

x = 229

the student should score atleast 229 to be among the top 10%.

7 0
2 years ago
Factorise 18x-6 <br><br> will give brainly to whoever answers first
Sladkaya [172]

Answer:

6(3x-1)

Step-by-step explanation:

They both have a common factor of 6

So divide 6 and take it out to give:

6(3x-1)

6 0
2 years ago
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