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enot [183]
3 years ago
11

30/49(-63/40) please solve

Mathematics
2 answers:
Allisa [31]3 years ago
7 0

Answer:

-27/28

hope this helps :D have a good day

kati45 [8]3 years ago
4 0

Answer:

Your answer is -27/28

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How much material is needed to make a triangular flag with base 2 1/4 and height 8 1/2
SVEN [57.7K]
Amount of material =area
area of triangle=1/2 times base tiems ehighte

base=2 and 1/4
height=8 and 1/2
convert all to imporpoert
2 and 1/4=2+1/4=8/4+1/4=9/4
8 and 1/2=8+1/2=16/2+1/2=17/2
so we have
area=1/2 times 9/4 times 17/2
area=(1 times 9 times 17)/(2 times 4 times 2)
area=153/16
area=9 and 9/16

answer is 9 and 9/16 square units of material
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3 years ago
What is the surface area of the following figure?
Flauer [41]

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Step-by-step explanation:

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What does the initial value mean for this function?
Anit [1.1K]
She saves 10 per week.......after 4 weeks, she had 90

so if she started with nothing, after 4 weeks she would have 40.....but for her to have 90, she would have had to have started with (90 - 40) = 50.

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so ur answer is : Roberta had $ 50 before she started to save money each week
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3 years ago
Solve the simultaneous equation 3x²-xy=0, 2y-5x=1​
White raven [17]

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Equation Form: ( 0, )

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Step-by-step explanation:

6 0
3 years ago
The proof that point (1,root 3) lies on the circle that is centered at the origin and contains the point (0,2) is found in the t
AURORKA [14]
<h2>Answer:</h2>

D. Distance formula

<h2>Step-by-step explanation:</h2>

The \ \mathbf{distance} \ d \ between \ the \ \mathbf{points} \ (x_{1},y_{1}) \ and \ (x_{2},y_{2}) \ in \ the \ plane \ is:\\ \\ d=\sqrt{(x_{2}-x_{1})^2+(y_{2}-y_{1})^2}

As in the statement:

<em>The distance form</em> (0,0) to (0,2) is \sqrt{(0-0)^2+(2-0)^2}=\sqrt{2^2}=2 <em>whose justification is the </em><em>Distance Formula. </em>

<em />

Here in this statement the justification is also the Distance Fromula, so we take the distance from (0,0) \ to \ (1,\sqrt{2}) whose result is also 2 and is the radius of the circle.

3 0
3 years ago
Read 2 more answers
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