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andriy [413]
3 years ago
14

Reese has nickels and dimes in his pocket. He counts a total of 11 coins. The total value of his pocket change is 70 cents.

Mathematics
2 answers:
tensa zangetsu [6.8K]3 years ago
6 0

Your answer is B D, I am pretty sure

MariettaO [177]3 years ago
4 0

Answer:B and D

Step-by-step explanation:

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Find the area of the figure below by first finding the areas of the rectangle and triangle.
Ostrovityanka [42]

Answer:

21 units^2

Step-by-step explanation:

Dimensions of rectangle are 3 by 6 units; therefore the area is 18 units^2.

Dimensions of triangle:  base is 3 and height is 2; therefore the area of this triangle is (1/2)(base)(height) = (1/2)(3)(2) = 3 units^2

The total area of this figure is (18 + 3) units^2, or 21 units^2

7 0
3 years ago
How to express cos 3x in terms of cosx
Elena-2011 [213]
\cos3x=\cos(x+2x)=\cos x\cos2x-\sin x\sin2x
=\cos x(\cos^2x-\sin^2x)-2\sin^2x\cos x
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=\cos^3x-3\cos x(1-\cos^2x)
=\cos^3x+3\cos^3x-3\cos x
=4\cos^3x-3\cos x
5 0
3 years ago
1.      Solve for s.<br><br>Rs + t = u
STatiana [176]
I think this is what you have to do.
Rs+t=u
first you have to subtract t:
Rs=u-t
Now divide by R:
s= u-t/r
Hope this helped!
4 0
3 years ago
M2 = 272 182 – 2(27)(18)cos(28°) m2 = 729 324 – (972)cos(28°) m2 = 1053 – (972)cos(28°) to the nearest whole number, the value o
RideAnS [48]
M2= 2272134.32...2272134    
m2= 728465.7749 ...728466
m2= 194.7749...m2= 195.





8 0
3 years ago
Evaluate f(x) = -x power of 2 -4 for x=-3
s2008m [1.1K]

Answer:

the answer, I think would be -8

5 0
2 years ago
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