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kap26 [50]
3 years ago
9

What is 5 1/2 - 3 9/10

Mathematics
2 answers:
alexgriva [62]3 years ago
5 0

Answer: 8/5 or 1.6

Step-by-step explanation:

1) 5 1/2 or 11/2 is equal to 55/10. 2*5 is 10 as the denominator. 11*5 is 55 as the numerator.

2) Make 3 9/10 into improper fraction to get 39/10.

3) Subtract: 55/10 - 39/10 = 16/10.

4) Simplify: 16/10 simplifies to 8/5 or as a decimal 1.6.

serg [7]3 years ago
3 0
I believe the answer would be 1.6
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The value of x is ?
Lelechka [254]

Answer:

None of the choices are correct.

Step-by-step explanation:

Considering this a right triangle, we may use the law of sines or "sohcahtoa" to find the length of x.

cos(45) = x/100\sqrt{2}

which equates to about x = 74.29174812021

7 0
3 years ago
Read 2 more answers
What is the unit rate
Neporo4naja [7]
<span> The ratio compares two quantities (in this case blue and white parts).
A unit rate (or unit ratio) describes how many units of the first type of quantity corresponds to one unit of the second type of quantity. In our case the first type of quantity is blue parts and the second is white parts, so we should find how many blue parts correspond to one white part.
The ratio is: 5/4
We will obtain the unit ratio if we divide each number with 4 in order to get 1 - as a second quantity.
So, (5/4)/(4/4)= (5/4)/1
The unit ratio is: </span>
<span>(5/4)/1.</span>
5 0
3 years ago
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Find the value of the points (5,1) , (-2,-3) and (8,2m) are collinear
svp [43]

Answer:

m = 19/14  so the third point is (8, 19/7).

Step-by-step explanation:

If they are co-linear then the the  slope will be equal.

The slopes of the lines are:

(difference in y coordinates) / (difference in corresponding x coordinates)

Slope between the first 2 points = (-3-1) / (-2-5) -4 / -7

= 4/7.

So if the 3 points are co-linear:

4/7 = (2m - -3) / (8 - -2)

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m = 19/14.

3 0
3 years ago
PLZ HELP ME ANSWER THIS I WILL GIVE BRAINLIEST!!!
marysya [2.9K]

Answer:

They are the same answer in absolute value form and they are different because they are opposite numbers

Step-by-step explanation:

5 0
3 years ago
Convert the function into intercept form. Show your work. y=-x^2+5x+36
UkoKoshka [18]
Y = -x2 + 5x + 36 <span>→ y = -(x2 -5x -36)


</span><span>→ y =  -(x2 - 9x +4x - 36)


</span><span>→ y = -[x(x-9) + 4(x - 9)]


</span><span>→ y = -(x - 9)(x + 4)

Your answer would be </span>y=-(x-9)(x+4).
7 0
3 years ago
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