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Angelina_Jolie [31]
3 years ago
5

On the first math test, Keiko answered 19 out of 20 correct. On which test did she get a better grade? Write a ratio in faction

form to compare the number correct to the total questions for each test.
Mathematics
2 answers:
frosja888 [35]3 years ago
3 0
The fraction for is 19/20
klasskru [66]3 years ago
3 0
It is nineteen out of twenty
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Pls help me on this
LuckyWell [14K]

Answer:

y = 2(x-3)

Step-by-step explanation:

This is because Gavin representing "x" loses 3 marbles, which is shown by the -3 in the parenthesis, is half of what Cindy has, or as the problem says "Cindy has double the marbles that Gavin has." These two together result in y=2(x-3)

3 0
3 years ago
What is the volume of a cylinder, in cubic centimeters, with a height of 8 centimeters
Arisa [49]

Answer:

1608.5 cm³

Step-by-step explanation:

Use the cylinder volume formula, V = \pir²h

If the diameter is 16 cm, then the radius is 8 cm.

Plug in the radius and height into the formula, and solve:

V = \pir²h

V = \pi(8)²(8)

V = \pi(64)(8)

V = 1608.5

So, to the nearest tenth, the volume of the cylinder is 1608.5 cm³

6 0
3 years ago
Simplify <br> 3√45<br> a)5√15<br> b)9√5<br> c)15√9
aliina [53]
Well if I did the math correctly it should be B) <span>9√5</span>
8 0
4 years ago
In​ 2012, the population of a city was million. The exponential growth rate was ​% per year.
saul85 [17]

Answer:

In​ 2012, the population of a city was 5.72 million.

Step-by-step explanation:

6 0
3 years ago
I would really appreciate it if someone could answer these as i'm really stuc and its due for tomorrow.
k0ka [10]
1. Round 50.75 to 50 and 0.18 to 0.20.
50 x 0.2 = 10

2) Round 96 to 100 and 0.499 to 0.5
100 divided by 0.5 = 50

3a) Round 8.2 to 8, 6.7 to 7, and 0.46 to 0.50
8 x 7 divided by 0.50 = 112

3b) Round 23.4 to 20, 13.9 to 10, and 0.18 to 0.20
20 x 10 divided by 0.20 = 2,000

7 0
3 years ago
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