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USPshnik [31]
3 years ago
9

Question 2 : There are 40 students in Mrs. Jackson's class, and

Mathematics
2 answers:
MrMuchimi3 years ago
4 0

Answer:

5

Step-by-step explanation:

First find the number that have their own cell phone

1/4 * 40 = 10

There are 10 students with their own cell phone

1/2  of the 10 can use social media

1/2 * 10  =5

5 have their own cell phone and can use social media

nata0808 [166]3 years ago
3 0

Answer: 10 students have a cell phone and only 5 of them can use social media

Step-by-step explanation: We see there are 40 students in total and 1/4 OF the class have their own cell phone. The OF means multiplacation so we do 40 X 1/4 which is 10 students who have their cellphone. We then again see 1/2 OF the 10 students can use social media meaning we do 10 X 1/2 which is equal to 5 students out of the 10 can use social media.

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The temperature in anchorage ,Alaska was 4 degrees at 2:00 pm.The temperature dropped 2.5 degrees per hour until 9:00 pm.The tem
puteri [66]

Answer:

It was 26.5 degrees colder at midnight than at 2:00 pm

Step-by-step explanation:

We have that:

At 2:pm, it was 4 degrees.

The temperature dropped 2.5 degrees per hour until 9:00 pm.

From 2pm to 9pm, there are 7 hours. 2.5 per hour, it was 4 degrees at 2 pm.

So at 9 pm the temperature is:

4 - 2.5*7 = -13.5

The temperature dropped another 9 degrees by midnight.

At midnight, the temperature is -13.5 - 9 = -22.5 degrees

How much colder was it at midnight than at 2:00 pm?

2pm: 4 degrees

Midnight: -22.5 degrees

How much coldren

-22.5 - 4 = -26.5

It was 26.5 degrees colder at midnight than at 2:00 pm

6 0
3 years ago
I have the feeling a might be wrong. Can someone explain if I am wrong?
allochka39001 [22]
You are absolutely right!!!!

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5 0
3 years ago
The slope of AB is 2/3, A(1,-4) and B(-5,y). Solve for the value of y.
Gala2k [10]
Y=5

the difference between the x coordinates of each point is 6. in order for the slope to simplify to 2/3 the difference in y should be 9.
y=9-4(y coordinates of A)
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4 years ago
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(2x-3)(3x+4) expand and simplify
elixir [45]

Answer:

6x² - x - 12

Step-by-step explanation:

Each term in the second factor is multiplied by each term in the first factor.

(2x - 3)(3x + 4)

= 2x(3x + 4) - 3 (3x + 4) ← distribute both parenthesis

= 6x² + 8x - 9x - 12 ← collect like terms

= 6x² - x - 12 ← in expanded form


5 0
3 years ago
What is 14/48 in lowest terms
Marianna [84]

Answer:

7/24

Step-by-step explanation:

     14       ÷2       7

-------------  =  -------------

     48     ÷2       24

3 0
3 years ago
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