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posledela
2 years ago
13

Can someone help me with (Geometry)

Mathematics
1 answer:
igomit [66]2 years ago
7 0

Step-by-step explanation:

I think the fig.. will helps you a lot...

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Someone help me find the area please
kolezko [41]
Do (10 x 10) then (10 x 20), and then add your two answers together.
Its simple :)
5 0
3 years ago
Which expression is equivalent to 4x + 3 - 2x + 5.
My name is Ann [436]

2x+8 is equivalent to 4x+3-2x+5

Step-by-step explanation:

4x+3-2x+5

4x+2x+3+5

2x+8

7 0
3 years ago
Read 2 more answers
Simplify: 20 sin(2x) cos(2x)
alexandr1967 [171]
Use the the double angle formula:
sin(2A)=2sin(A)cos(A)

substitute 2x for A, then
20sin(2x)cos(2x)=10(sin(2(2x))cos(2(2x))=10sin(4x)

8 0
2 years ago
Bring the fraction a/a-4 to a denominator of 16-a^2
Dmitry_Shevchenko [17]

Answer:

a / (a - 4) = a(a + 4) / ((a - 4)(a + 4)) = (a^2 + 4a) / (a^2 - 16) = -(a^2 + 4a) / (16 - a^2)


3 0
3 years ago
A clothing store pays $89.47 for a dress. The store’s percent of markup is 50% and the tax is 7.6%. Find the selling price for t
Goryan [66]
Hi,
<span>SP=Selling Price
</span>CP of dress= $ 89.47
percent of mark up = 50%
SP without tax= 100+ mark up % /100 * CP
<span>SP without tax= 100+50/100 * 89.47
</span>SP without tax= 150/100 * 89.47
SP without tax= 1.5 * 89.47
<span>SP without tax= $ 134.205
</span>tot. SP(SP with tax)= 100 + tax %/100 * SP
<span>SP=100 + 7.6/100 * 134.205
</span>SP= 107.6/100 * 134.205
SP= 1.076 * 134.205
<span>SP=  $144.40458
Hope this helps you.</span>
3 0
3 years ago
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