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Romashka-Z-Leto [24]
3 years ago
5

Alex is thinking of a number.

Mathematics
1 answer:
Troyanec [42]3 years ago
5 0
33.50% is the answer
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The ratio of boys to girls in Mr. Yang's class is 4:3. If there are 16 boys in the class, how many girls are there? O A. 8 girls
Varvara68 [4.7K]

Answer: B. 12 girls

Step-by-step explanation:

Since the ratio is 4:3 we can multiply both sides by 4 to get 16 boys and the equivalent number of girls for this problem, 16:12

8 0
2 years ago
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Find the sum of the first 20 terms of the arithmetic sequence 4, 10, 16, 22....
hammer [34]

n = 20

d = 6

a = 4

L = a + (n - 1)*d

L = 4 + (20 - 1)*6

L = 4 + 19*6

L = 118

Sum = (a + L)*n/2

Sum = (4 + 118) * 20/2

Sum = 122 * 10

Sum = 1220

3 0
3 years ago
Please help me with this
Ronch [10]
Think of it as two rectangular prisms next to each other, and find the volume of each one separately.

The big one on the left has a volume of 4 * 12 * 6, or 288.

The smaller one on the right has a volume of 2 * 6 * 6, or 72.

288 + 72 = 360. 360 cubic feet of water are needed.
8 0
3 years ago
List the fractions in descending order of 2/5 8/9 4/5 1/3 3/10 ​
snow_lady [41]

Answer:

8/9, 4/5, 2/5, 1/3, 3/10

Step-by-step explanation:

2/5 = 0.4 8/9 = 0.888 4/5 = 0.8 1/3 = 0.333 3/10 = 0.3

8 0
2 years ago
Need help on these problems plz its for a grade
irina [24]

Answer:

C. 390 Cubic units

5 * 6 * 13 = 390 cubic units

4 0
2 years ago
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