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blsea [12.9K]
2 years ago
10

AREA UNDER A CURVE please explain too ty <3

Mathematics
1 answer:
Delicious77 [7]2 years ago
4 0
I don’t even know lol I struggled with this too,
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If 18 , x , y , -3 are in A.P then find x + y.
AleksandrR [38]

Answer:

15

Step-by-step explanation:

If this is an arithmetic progression, then there is a common difference.

-3-18 = -21

-21/3 = -7

18 - 7 = x

x = 11

11 - 7 = y

y = 4

4 - 7 = -3

x + y

11 + 4 = 15

6 0
3 years ago
The price of an item has risen to $261 today. Yesterday it was $180. Find the percentage increase
tankabanditka [31]

Answer:

m

Step-by-step explanation:

7 0
2 years ago
If f(x)=3x^2-2 and g(x)=4x+2 what is the value of f+g 2
Papessa [141]

Answer:

20

Step-by-step explanation:

(f + g)(x) = f(x) + g(x)

f(x) + g(x) = 3x² - 2 + 4x + 2 = 3x² + 4x

Substitute x = 2 into f(x) + g(x)

(f + g)(2) = 3(2)² + 4(2) = (3 × 4) + 8 = 12 + 8 = 20

5 0
3 years ago
How do you find the probability? give me details please and answer my question step by step.
mart [117]

Answer:

to find theoretical probability, devide the favorable outcomes by the total possible outcomes

to find experimental probability, for example on a coin, devide how many times it landed on heads by how many times you flipped it

i hope this helps :)

8 0
3 years ago
Please I need help, JUST one problem.<br> I need to show my work please!!
lara31 [8.8K]

Answer:

proved that x=9

Step-by-step explanation:

A line that splits an angle into two equal angles. ("Bisect" means to divide into two equal parts)

so <CAB=<DAB

7x+2=5(x+4)

7x+2=5x+20

7x-5x=20-2

2x=18

x=9

7 0
3 years ago
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