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weeeeeb [17]
2 years ago
8

Nora and Violet had saved their babysitting money at a ratio of 5:9. Nora has $48 less than Violet. How much money do they have

in total?
Mathematics
1 answer:
AnnZ [28]2 years ago
5 0

Answer:

168

Step-by-step explanation:

9-5 = 4  = 48

48 / 4 = 12

12 x ( 9 + 5 )

168

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2 years ago
Matt plans to put concrete on a rectangular portion of his driveway. The portion is 8 feet long and 4 inches high. The price of
Lubov Fominskaja [6]

length = 8ft
height = 4 in
width = w ft --> u looking for this

convert in to ft for the height:

4 in (1 ft / 12 in) = 1/3 ft

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? cubic yard = $58.07

Solve for ? cubic yard:
? cubic yard = 58.07/98 = 0.592551

convert this in cubic feet:
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4 0
3 years ago
Chords and arcs. Can someone please help me with this and explain???20 points
anyanavicka [17]

Answer:

89

Step-by-step explanation:

So the line segment CD is 12.7 and half that is 6.35.  I wanted this 6.35 so I can look at the right triangle there and find the angle there near the center.  This will only be half the answer.  So I will need to double that to find the measure of arc CD.  

Anyways looking at angle near center in the right triangle we have the opposite measurement, 6.35, given and the hypotenuse measurement, 9.06, given. So we will use sine.

sin(u)=6.35/9.06

u=arcsin(6.35/9.06)

u=44.5 degrees

u represented the angle inside that right triangle near the center.  

So to get angle COD we have to double that which is 89 degrees.  

So the arc measure of CD is 89.  

5 0
3 years ago
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Ugo [173]
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3 years ago
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Alex_Xolod [135]
Answer correct or incorrect

8 0
3 years ago
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