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12345 [234]
3 years ago
8

If one person takes six hours to paint a house in another person takes 10 hours to paint house how long does it take them to pai

nt the house together
Mathematics
1 answer:
garik1379 [7]3 years ago
8 0

Answer: 8

Step-by-step explanation: 6+10=16 16/2=8

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James has a mass of 32.8 kg. Ricardo's mass is 8 3/4 kg more than James's. Winthorp's mass is 3.6 kg less than Ricardo's. What i
strojnjashka [21]

Answer:79.5

Step-by-step explanation:32.8+8.75=41.55 41.55-3.6=37.95 37.95+41.55+32.8=79.5

3 0
3 years ago
If the Diameter is ten then what is the area of it
Pepsi [2]

Answer:

78.54

Step-by-step explanation:

Hope this helps!

7 0
2 years ago
PLS HELP!!!! Pointtssss!! The temperature during a very cold day is
grin007 [14]

The type of polynomial that would best model the data is a <em>cubic</em> polynomial. (Correct choice: D)

<h3>What kind of polynomial does fit best to a set of points?</h3>

In this question we must find a kind of polynomial whose form offers the <em>best</em> approximation to the <em>point</em> set, that is, the least polynomial whose mean square error is reasonable.

In a graphing tool we notice that the <em>least</em> polynomial must be a <em>cubic</em> polynomial, as there is no enough symmetry between (10, 9.37) and (14, 8.79), and the points (6, 3.88), (8, 6.48) and (10, 9.37) exhibits a <em>pseudo-linear</em> behavior.

The type of polynomial that would best model the data is a <em>cubic</em> polynomial. (Correct choice: D)

To learn more on cubic polynomials: brainly.com/question/21691794

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6 0
2 years ago
If h(x) = (- 2x + 5)/4 find h(3/2)
Olenka [21]

Answer:

0.5

Step-by-step explanation:

just plug in the number in the x place.

8 0
3 years ago
Please help I will give brainiest I need your help!!!!
katen-ka-za [31]

Answer:

Step-by-step explanation:

∠OAB is 90 degrees, tangent and a radius met at 90 degree angle

∠OCB=90 degrees, tan and radius meet at 90 degrees angle

OB=12

find angle BOC:

triangle BOA is right angle triangle:

cos(AOB)=adj/hyp=7/12=54.33

angle B= 180-(90+54.33)=35.67

angle COB=54.33 equal to angle AOB

angle AOC=54.33+54.33=108.66

the sum of angles of circle =360

360-108.66= 251.34( exterior angle at the center AOC)

length of the arc= angle (251.34 degrees*7)

convert degrees to radians=4.386 (251.34/π)

length=r*angle in radian=4.386*7=30.71

( i hope this is the answer)

6 0
3 years ago
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