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12345 [234]
2 years ago
15

Bodhi has a collection of 175 dimes and nickels. The collection is worth $13.30. Which equation can be used to find n, the numbe

r of nickels in the collection?
Mathematics
2 answers:
ladessa [460]2 years ago
8 0

Answer:

3

Step-by-step explanation:

Ede4ka [16]2 years ago
6 0

Answer:

N + D = 175

.05N + .10D = $13.30

Step-by-step explanation:

You need a system of equations to get the correct answer that applies to both constraints.

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A school sold small and large boxes of fruit for a fundraiser. One student sold 5 small boxes and 13 large boxes for $232. Anoth
algol [13]

Answer: the right answer is

The first equation can be multiplied by –12 and the second equation by 5 to eliminate x.

The first equation can be multiplied by –7 and the second equation by 13 to eliminate y.

The first equation can be multiplied by 7 and the second equation by –13 to eliminate y.

The first equation can be multiplied by 12 and the second equation by –5 to eliminate x.

Step-by-step explanation:

e d g e n u i t y  and it says check all that apply ,it was not (A).

5 0
2 years ago
Read 2 more answers
Three kids play tennis at the same tennis courts. Mark plays every fourth day, David plays every seventh day and Bryan plays eve
Tatiana [17]

Answer:

Friday, August 17th

Step-by-step explanation:

Mark plays every 4th day

18th of July,21st of July,24th of July, 27th of July, 30th of July, 2nd of August,5th of August, 8th of August, 11th of August, 14th of August, 17th of August

Bryan plays every 6th day

18th of July, 23th of July, 28th of July, 2nd of August, 7th of August, 12th of August, 17th of August

David plays every seventh day

18th of July,24th of July,30th of July, 5th of August, 11th of August, 17th of August

The next day when all three of them will be at the court together is Friday, August 17th

7 0
2 years ago
Read 2 more answers
Triangle KLM represents a section of a park set aside for picnic tables. The picnic area will take up approximately 400 square y
svetoff [14.1K]
Given triangle KLM with two sides given as 45 yd and 20 yd and a 25 degree angle opposite the 20 yd side.

We find the angle made at the opposite of the 45 yd side using the sine rule as follows.
\frac{\sin{A}}{a} =  \frac{\sin{B}}{b}  \\  \frac{\sin{25^o}}{20} = \frac{\sin{B}}{45}  \\ \sin{B}= \frac{45\sin{25^o}}{20} = \frac{19.0178}{20} =0.9509 \\ B=\arcsin{(0.9509)}=71.97^o

Thus, the third angle is given by 180 - 25 - 71.97 = 83.03 degrees.

We also use the sine rule to find the third side of the triangle as follows.
\frac{\sin{A}}{a} = \frac{\sin{C}}{c} \\ \frac{\sin{25^o}}{20} = \frac{\sin{83.03^o}}{c} \\ c= \frac{20\sin{83.03^o}}{\sin{25^o}} = \frac{19.8522}{\sin{25^o}} =46.97 yds

Therefore, amount of fencing needed to surround the perimeter of the picnic area = 45 + 20 + 46.97 = 111.97 ≈ 120 yds
6 0
2 years ago
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4 What is the slope of the graph of y = 12x - 19? ​
sweet-ann [11.9K]

Answer:

This means that 12 is the slope of the line y = 12x - 19.

5 0
2 years ago
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In the diagram, points A, B, and C lie on a circle. Which conclusion can be correctly drawn from the fact that O is the center o
kolezko [41]

Answer:

Option D is correct

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2 years ago
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