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miss Akunina [59]
2 years ago
8

A ratio is a multiplicative comparison of two quantities expressed with the same units. The numbers in a ratio are called terms.

A ratio can be written in several different ways. 5 dogs to 3 cats 5 to 3 5 : 3 5 over 3 Ratios can be written to compare a part to a part, a part to the whole, or the whole to a part. Millie types 28 words in 1 minute. How many words can Millie type in 5 minutes?
Mathematics
1 answer:
irina1246 [14]2 years ago
3 0

Try looking, how many words can she find in 1 minute, then try to calculate how you got that into 5! It's easy if you think about it!

good luck!

                                                                           -KitKat

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Melissa buys 3 and 3/4 gallon S of iced tea. Debora buys 7 quarts more than Melissa How much tea do they buy although? Express y
alexdok [17]
All Togther they bought 37 quarts of iced tea
7 0
3 years ago
Read 2 more answers
Determine whether or not 630 is a triangular number. start with the formula t n = n ( n + 1 ) 2 and then use the quadratic formu
ziro4ka [17]
Triangular sequence = n(n + 1)/2

If 630 is a triangular number, then:

n(n + 1)/2  = 630

Then n should be a positive whole number if 630 is a triangular number.

n(n + 1)/2  = 630

n(n + 1)  = 2*630

n(n + 1)  = 1260

n² + n = 1260

n² + n - 1260 = 0

By trial an error note that 1260 = 35 * 36

n² + n - 1260 = 0

Replace n with 36n - 35n

n² + 36n - 35n - 1260 = 0

n(n + 36) - 35(n + 36) = 0

(n + 36)(n - 35) = 0

n + 36 = 0   or   n - 35 = 0

n = 0 - 36,   or  n = 0 + 35

n = -36, or 35

n can not be negative. 

n = 35 is valid.

Since n is a positive whole number, that means 630 is a triangular number.

So the answer is True.
7 0
3 years ago
The sqaure root of 1/5 of a number is 5. find the number
Mamont248 [21]

Answer:

25

Step-by-step explanation:

The number that we are trying to discover was divided by 5, which gave you the number of 5. To find the original number multiply 5 by 5. I hope this helps.

5 0
3 years ago
Sal made 8 ft of sausage links on Friday morning. He used 4 ft for dinner service on Friday night. On Saturday morning, he made
oee [108]

Answer:

Net change in the amount of sausage Sal had from Friday morning until after dinner service Saturday night = 8 - 0 = 8 ft

Step-by-step explanation:

Amount of  sausage links made on Friday morning = 8 ft

Amount of  sausage links used on Friday night = 4 ft

Amount of  sausage links remaining = 8 - 4 = 4ft           (i)

Amount of  sausage links made on Saturday morning = 8 ft         (ii)

So,

Total amount of  sausage links = 8 + 4 = 12 ft   (from (i) and (ii) )

Amount of  sausage links used on Saturday night = 12 ft

Amount of sausage links remaining = 12 - 12 = 0 ft

Net change in the amount of sausage Sal had from Friday morning until after dinner service Saturday night = 8 - 0 = 8 ft

8 0
3 years ago
Solve<br> -1/3a+5/6+2 1/6-5/6a
Hunter-Best [27]

Answer:

\frac{-1}{3}a + \frac{5}{6} +2\frac{1}{6} -\frac{5}{6}a\\\\\frac{-1}{3}a + \frac{5}{6} +\frac{13}{6} -\frac{5}{6}a\\\\\frac{-2a + 5 + 13-5a}{6}\\\\\frac{-7a +18}{6}

3 0
2 years ago
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