3 years ago

Together maria and serena have $1.20 they want to share the money equally how much money will each girl get

Mathematics

1 answer:

Elena-2011 [213]3 years ago

5 0

A. 0.60 cents each.

Explanation: 1.20 dollars divided by two is 0.60 cents.

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What is the sin, cos, and tan of -495 degrees, and -20π/3 ??

Diano4ka-milaya [45]

Sin-495 = 0.98
cos-495 = 0.19
tan-495 = 4.95

sin-20π/3 = 0
cos-20π/3 = 0.3
tan-20π/3 = 0

7 0

3 years ago

The price of commodity a is 4500 and increases at the rate of $6 every three months. Commodity b costs $5400 and increases at ra

ivanzaharov [21]

Let x be the months and y be the cost.

Rate of increase of commodity A = 6/3 = $2 per month
Equation:
y = 2x + 4500

Rate of increase of commodity B = 2/4 = $0.5 per month
Equation:
y = 0.5x + 5400

Equating the costs,
2x + 4500 = 0.5x + 5400
1.5x = 900
x = 600 months
x = 600 / 12 = 50 years

5 0

4 years ago

Every student in the senior class is taking history or science and 85 of them are taking both. If there are 106 seniors taking h

MissTica

Number of students in senior class is 130

Solution:

Given that Every student in the senior class is taking history or science

85 of them taking both history and science

106 seniors takes history

109 seniors takes science

To find: number of students in senior class

Let A be the set of the students of the senior class that take history

Let B be the set of students of senior class that they science

The number of students in senior class is given by:

$|A \cup B|=|A|+|B|-|A \cap B|$

Where,

A = 106 and B = 109 and |A n B| = 85

$|A \cup B|=106+109-85=130$

Thus number of students in senior class is 130

5 0

4 years ago

In how many different ways can you answer a multiple cholce test that has 5 questions and 3 choices for each answer?

avanturin [10]

Answer:

243

Step-by-step explanation:

3*3*3*3*3

5 0

3 years ago

N a parking lot of 240 red and blue cars, the ratio of red cars to blue cars is 3 : 5. How many red cars are in the parking lot?

allsm [11]

So lets add 3+5 to get 8.

So we know that 240/8 is 30

now multiply 3 and 5 by 30

so if 3 represents red you should get 90 cars

Check:

3=90

+5=150

----------------

8=240

so the final answer is 90 red cars

hope this helps:)

6 0

3 years ago