2 years ago

What is the value or |-12.7| and |11.1/4| ?

Mathematics

1 answer:

olya-2409 [2.1K]2 years ago

8 0

Answer:

12.7, because the absolute value gets rid of the negative integer, and shows it true value which is positive 12.7.

Step-by-step explanation: Have a Happy Thursday :)

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The answer would be 18.45 + 3 = 21.45

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2 years ago

Length of a rectangle is 5 cm longer than the width. Four squares are constructed outside the rectangle such that each of the sq

azamat

Answer:

The perimeter of rectangle is $18\ cm$

Step-by-step explanation:

Let

x-----> the length of the rectangle

y----> the width of the rectangle

we know that

$x=y+5$ ----> equation A

$120=xy+2x^{2}+2y^{2}$ ---> equation B (area of the constructed figure)

substitute the equation A in equation B

$120=(y+5)y+2(y+5)^{2}+2y^{2}$

$120=(y+5)y+2(y+5)^{2}+2y^{2}\\ 120=y^{2}+5y+2(y^{2}+10y+25)+2y^{2}\\ 120=y^{2}+5y+2y^{2}+20y+50+2y^{2}\\120=5y^{2}+25y+50\\5y^{2}+25y-70=0$

using a graphing calculator -----> solve the quadratic equation

The solution is

$y=2\ cm$

Find the value of x

$x=y+5 ----> x=2+5=7\ cm$

Find the perimeter of rectangle

$P=2(x+y)=2(7+2)=18\ cm$

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2 years ago

Can someone please help this is due today. :)

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Answer:

you were awake for 4.5 hours and the battery was at 90% when you woke up.

Step-by-step explanation:

just look at the x and y intercepts. the x intercept is how long you were awake and the y-inter is what the charge was when you woke up.

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2 years ago

What is the value of 64 ?<br> A. 4<br> B. 21 1/3<br> C. 8<br> D. 2

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Answer:

Step-by-step explanation:

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2 years ago

The spinner below is divided equally into six sections. Norm is going to spin the arrow 78 times. Which of the four sets of expe

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Answer:

I think it's C

Step-by-step explanation:

Considering each section is equal in area, each result should have around the same number of occurances

Hope this helps! :D

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2 years ago