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BaLLatris [955]
2 years ago
6

Tai cuts 4 meters 8 cm wire into 10 equal piece . martha cut a 540 cm wire into 9 equal pieces . how much longer is one of marta

's wires than one of tai
Mathematics
2 answers:
BabaBlast [244]2 years ago
7 0
408\10 = 40.8
540\9 = 60
60-40.8= 19.2

19.2cm longer
Eduardwww [97]2 years ago
3 0
4m 8cm = 408cm
540 - 408 = 132
It is 132cm longer
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Describe how you could represent the fraction 4/10 using a model or number line. Dont make the answer huge thank you
Rzqust [24]

Answer:

As a model for representing fractions, the number line differs from other models (e.g., sets, regions) in several important ways. First, a length represents the unit, and the number line model suggests not only iteration of the unit but also simultaneous subdivisions of all iterated units. That is, the number line can be treated as a ruler.

Step-by-step explanation:

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2 years ago
What are the exact values of sin(2π3radians) and cos(2π3radians)
deff fn [24]
We know that
2π/3 radians-------> convert to degrees-----> 2*180/3---> 120°
120°=90°+30°

Part a) Find <span>sin(2π/3)
</span>sin(2π/3)=sin (90°+30°)
we know that
sin (A+B)=sin A*cos B+cos A*sin B
so
sin (90°+30°)=sin 90*cos 30+cos 90*sin 30
sin 90=1
cos 30=√3/2
cos 90=0
sin 30=1/2
sin (90°+30°)=1*√3/2+0*1/2-----> √3/2

the answer part a) is
sin(2π/3)=√3/2

Part b) Find cos (2π/3)
cos (2π/3)=cos (90°+30°)
we know that
cos (A+B)=cos A*cos B-sin A*sin B
so
cos (90°+30°)=cos 90*cos 30-sin 90*sin 30
sin 90=1
cos 30=√3/2
cos 90=0
sin 30=1/2
cos (90°+30°)=0*√3/2-1*1/2----> -1/2

the answer part b) is
cos (2π/3)=-1/2
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A function is a type of ____.<br> a. vertical line test <br> b. relation<br> c. range <br> d. domain
Nimfa-mama [501]
It’s a type of range
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mafiozo [28]

Answer:

71

Step-by-step explanation:

Add 46 to each number, see if the sum is in the list. In the set of 7 numbers listed, two of them are even (24 and 38), and the other 5 numbers are odd

71

We do not need to look at all differences.

We need to find two numbers fairly far appart,

and not all look promising.

You could look at approximate differences,

or you could look at the last digit.

71-35 and 63-17 are the only promising differences,

because 71 and 63 are the only numbers large enough to be 46 more than another number in that list,

and when you calculate the last digit you calculate

11-5=6 and 13-7=6.

71-35=36

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Determine the two closest integers for each irrational number also 117 not in pic
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