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Furkat [3]
3 years ago
14

Tommorow I have maths exam can anyone help me please grade 9 cbse

Mathematics
1 answer:
Anestetic [448]3 years ago
5 0

Answer:

broo even i have math exams tomorrow but i am in 6th grade

Step-by-step explanation:

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The Class Earned $3 A Day For One Week For Their School Trip. How Much Money Did They Have By The End Of The Week?
zzz [600]
$21 because 3$x$7(numbers of days in a week)is $21. I hope this helps :)
6 0
3 years ago
A movie streaming website charges an initial fee of $80, plus $4 for each movie that is streamed. How many movies must be stream
pochemuha

Answer:

80 movies must be streamed.

Step-by-step explanation:

To find the average cost, you must divide the total cost by the number of movies watched.

When you watch 1 movie, you pay the initial fee of $80 plus a $4 purchase of the film.

The equation is shown as such:

average cost = (total cost)/(number of movies)

Your total cost can be represented as 4x + 80, while the number of movies is represented as x.

You want the average to equal 5, so your equation is shown as follows:

5 = (4x+80)/x

simplifying this, we get

5 = 4 + \frac{80}{x}

which can then be simplified to

1 = \frac{80}{x}

X = 80 movies.

4 0
3 years ago
If x + y = 10 and x - y = 4, find the value of x² - y²
morpeh [17]

Answer:

x²-y² = 40

Step-by-step explanation:

Factorising x²-y²:

x²-y² = (x+y)(x-y)

This is due to the property that states:

a²+b² = (a+b)(a-b)

Substituting the given values into the above equation:

x²-y² = (10)(4)

= 40

Hence, x²-y² = 40

<em>Hope this helps and be sure to have a wonderful time ahead at Brainly! :D</em>

8 0
2 years ago
Read 2 more answers
Find the 20th term of the arithmetic sequence 15,9,3,-3
kati45 [8]

Answer:

-99

Step-by-step explanation:

a = 15 \\ d =  - 6 \\  {n}^{th} term = a + (n + 1)d  = 15 + (n - 1)( - 6) \\  {20}^{th} term =15 + (20 - 1)( - 6) = 15 - 114 =  - 99

3 0
2 years ago
A telephone plan charges a regular monthly amount plus charges for the number of minutes of use (x) as shown in the equation y =
In-s [12.5K]

Answer:

Slope: 0.28

y-intercept: (0,65)

4 0
3 years ago
Read 2 more answers
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