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Anna007 [38]
2 years ago
14

19. Rae supervises a loading dock. She

Mathematics
1 answer:
Rina8888 [55]2 years ago
5 0

Answer:

85% of the job is finished.

Step-by-step explanation:

The way to find the percentage is to divide 119 by 140, which will come out to be .85.

Multiply .85 by 10 to have it as a whole number for the percentage.

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Part a complete the equation for the perimeter of this rectangle p=2( )+2( )
bekas [8.4K]

Answer:

2(w)+2(l)

Where w is the width and l is the length

Step-by-step explanation:

6 0
2 years ago
In square ABCD, AD is 4 centimeters, and M is the midpoint of <img src="https://tex.z-dn.net/?f=%24%5Coverline%7BCD%7D%24" id="T
Ede4ka [16]

The ratio of OC to OA is OC/ 10√2 - OC

<u>Explanation:</u>

Given -

AD = 4 cm

M is the midpoint of CD

Ratio of OC to OA = ?

In a square, all the interior angles are 90°

Therefore,

ΔADC, ΔABC and ΔBCM are right angled triangle

AC is the diagonal which divides ∠DAB and ∠DCB equally

If AD = 4 cm, then AB, BC and DC are also 4cm

In ΔADC,

(AC)² = (AD)² + (DC)²

(AC)² = (10)² + (10)²

AC = 10√2 cm

AC = OA + OC

OA = AC - OC

OC/OA = OC / AC - OC

OC / OA = OC / 10√2 - OC

Therefore, the ratio of OC to OA is OC/ 10√2 - OC

4 0
2 years ago
Which expression is equivalent to the given expression? Assume the denominator does not equal zero.
bulgar [2K]
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For these type of problems download photo math
It’ll be faster than here with steps!
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2 years ago
One number is 9 less than a second number. Their sum is -27. What is the first number?
avanturin [10]

Answer:

x= first number y= second

x=2y+9 and x+y=129, these are the equations...solving gives x=89,y=40

Step-by-step explanation:

3 0
2 years ago
Read 2 more answers
the amount of rhubarb in the original is 3 1/2 cups using what you know of whole numbers and what you know of fractions explain
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To triple this number, you can triple the whole number, triple the fraction, then add them together.

3*3=9
1/2*3=3/2 (or 1 1/2)

Add them together.

9+1 1/2= 10 1/2
5 0
3 years ago
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