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Vlada [557]
2 years ago
9

4. A sum of money is divided between two friends in the ratio 4:9. If the smaller

Mathematics
2 answers:
Lilit [14]2 years ago
6 0

Answer:

1260

Step-by-step explanation:

Mademuasel [1]2 years ago
5 0

Answer:

1260

Step-by-step explanation:

1. if the ratio is 4:9 and your smallest number is $560. You'll want to divide 560 by 4 and you get 140.

2. Next, multiply 140 by 9, and that's your answer 1260.

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4/5 divided by 1 2/5
scoundrel [369]

Answer:

4/7

Step-by-step explanation:

Multiply the number by The reciprocal of 1 2/5

4/5*5/7=20/35

3 0
3 years ago
Use an algebraic approach to solve the problem.
qaws [65]

Answer:

Her first exam score was a 78, her second exam score was a 89, and his third exam score was a 94.

Step-by-step explanation:

Use the formula for the mean: sum of elements / number of elements

Let x represent her first exam score.

Her second exam score can be represented by x + 11, since it was 11 points better than her first.

Her third exam score can be represented by (x + 11) + 5, since it was 5 points better than her second.

Plug in all of these expressions into the mean formula. Plug in 87 as the mean, and plug in 3 as the number of elements (since there are 3 scores):

mean = sum of elements / number of elements

87 =  ( (x) + (x + 11) + (x + 11) + 5 ) / 3

Add like terms and solve for x:

87 = (3x + 27) / 3

261 = 3x + 27

234 = 3x

78 = x

So, her first score was a 78.

Find her second score by adding 11 to this:

78 + 11 = 89

Find her third score by adding 5 to the second score:

89 + 5 = 94

Her first exam score was a 78, her second exam score was a 89, and his third exam score was a 94.

6 0
3 years ago
What is the distance between (-4,4) and (-7,3)
Alex787 [66]

Answer:

\sqrt{10}

Step-by-step explanation:

Using the distance formula, we see that the distance between (-4,4) and (-7,3) is \sqrt{10}.

4 0
2 years ago
A map distance of 5 inches represents 200 miles of actual distance . Suppose the distance between two cities on the map is 7 inc
Naily [24]
\frac{5}{200} = \frac{7}{x} \\ 5x = 1400 \\ x = 280

therefore, the actual distance is 280 miles. 

(sorry, idk the rule for it)
7 0
3 years ago
Read 2 more answers
Evaluate: 4+8 / 2 x (6 - 3)
slavikrds [6]

Answer:

16

Step-by-step explanation:

4+8/2*(6-3) = 4+8/2*3 = 4+4*3 = 4+12 =16

6 0
2 years ago
Read 2 more answers
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