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Paha777 [63]
4 years ago
14

Sara, Nick and June share some sweets in the ratio 5:5:1. Sara gets 45 sweets. How many sweets are there altogether?

Mathematics
2 answers:
saw5 [17]4 years ago
7 0

Answer:

99

Step-by-step explanation:

5x=45

x=45/5=9

5x+5x+x=11x=11*9=99

nirvana33 [79]4 years ago
5 0

Answer:

99 sweets

Step-by-step explanation:

Sara : Nick : June = 5 : 5 : 1

It means:

- Sara gets 5 parts of the total sweets

- Nick gets 5 parts of the total sweets

- June gets 1 part of the total sweets

Therefore, total part of the sweets = 5 + 5 + 1 = 11

5 parts of sweets = 45 (Sara gets 45 sweets)

1 part of sweets = 45/5 = 9

11 part of sweets = 9 * 11 = 99

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Which expression represents the sum of (2x - 5y) and (x + y)
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Step-by-step explanation:

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3 years ago
How many triangles exist with the given angle measures 55,45,90 degrees
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Answer: The correct answer is B.

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Quadratic Word Problems
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When x = -3, x - 2 = -5, x + 2 = -1

Explanation: You are on the right track. However, rather than having three unknown variables, try to reduce your working out to one unknown variable. Since you know they are consecutive odd numbers, you can simply let x be the middle term and the other two be + and - 2, provided x is an odd number.

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5 0
3 years ago
Divya and Miguel were asked to find an explicit formula for the sequence 80,40,20,10,..
In-s [12.5K]

Answer:

a_n =80(0.5)^{n-1}

Step-by-step explanation:

we know that

The explicit formula for a geometric sequence is  written as:

a_n = a_1(r)^{n-1}        

where

a_1 is the first term

r is the common ratio

we have the sequence

80,40,20,10,..

so

a_1=80\\a_2=40\\a_3=20\\a_4=10

\frac{a_2}{a_1}=\frac{40}{80}=0.5

\frac{a_3}{a_2}=\frac{20}{40}=0.5

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therefore

r=0.5

substitute

a_n =80(0.5)^{n-1}

4 0
3 years ago
Read 2 more answers
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