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Nat2105 [25]
3 years ago
11

Can someone help me calculate angles? P3

Mathematics
2 answers:
just olya [345]3 years ago
4 0

Answer:

the little box would indicate that it is a 90 degree angle.

storchak [24]3 years ago
4 0

Answer: 50

Step-by-step explanation: to find CXF all you need to do is 90-40

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a washer and a dryer cost 659$ combined. The washer costs 91$ less than the dryer, how much was the dryer?  
Darina [25.2K]
W+D=659

W=D-91

---------------------------

(D-91)+D=659

D-91+D=659

2D=750

D=750/2=375

------------------------------

W+375=659

W=284

------------------------------

So the dryer had cost $375 and the washer had cost $284.
7 0
3 years ago
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Use transformations to solve the equation.<br><br><br><br> e – 14.4 = –20.8
murzikaleks [220]
E = -20.8 + 14.4
     = 6.4
8 0
3 years ago
Write and solve a real-world word problem in which there are 3 tables for every 8 chairs.
alekssr [168]
That means there are 24 chairs. What you would do is multiply 8 by 3 which gives you 24. 
4 0
3 years ago
The length of a rectangle is x times the square root of 100. The width is one-half y more than three-halves x. Given that the ar
dimulka [17.4K]

Answer:

15x^2+5xy-125=0

Step-by-step explanation:

We are give the following in the question:

Dimensions of rectangle:

Length , l =

l = x\sqrt{100} = 10x

Width of rectangle, w =

w = \dfrac{y}{2} +\dfrac{3x}{2}

Area of rectangle = 125 square cm.

Area of rectangle =

A =l\times w

Putting values, we get,

125 = 10x\times (\dfrac{y}{2}+\dfrac{3x}{2})\\\\125 = 5xy+15x^2\\15x^2+5xy-125=0

is the required equation.

7 0
3 years ago
Read 2 more answers
Please Help!! George tells you that when variables are in the denominator, the equation becomes unsolvable. "There is a value fo
luda_lava [24]
For the answer to the question above, I'll provide a solution to my answer below.
(4 / 5) + (3 / x) = (1/2) 

<span>x cannot equal 0 </span>

<span>(4x + 15) / 5x = 1/2 </span>
<span>2(4x + 15) = 5x </span>
<span>8x + 30 = 5x </span>
<span>3x = -30 </span>
<span>x = -10
</span>I hope my answer helped you. Feel free to ask more questions. Have a nice day!
5 0
3 years ago
Read 2 more answers
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