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kodGreya [7K]
3 years ago
9

There are 9 girls and 11 boys in a class at a Private

Mathematics
1 answer:
blagie [28]3 years ago
4 0

Answer:

35%

Step-by-step explanation:

9+11=20

3+4=7

20*5=100

7*5=35

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Click an item in the list of groups of pictures at the bottom of the problem and, holding the button down, drag it into the corr
tankabanditka [31]

An equation is formed of two equal expressions. The equation of the exponential graph is A=100(0.5)ˣ.

<h3>What is an equation?</h3>

An equation is formed when two equal expressions are equated together with the help of an equal sign '='.

The equation of an exponential function is given by the formula,

y = A (B)ˣ

Now as per the graph, there are two points (1, 50) and (2, 25).

50 = A (B)¹

50 = AB

A = 50/B

Substitute another point in the equation,.

25 = A (B)²

25 = (50/B) (B)²

25 = 50B

B = 0.5

Substitute the value of B,

A = 50/0.5 = 100

Hence, the equation of the exponential graph is A=100(0.5)ˣ.

Learn more about Equation:

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3 0
2 years ago
Algebra 1 ty brainilest if correct
exis [7]

Answer:

1 exponential decay and 78%

5 0
3 years ago
Read 2 more answers
What is t+16 for +=-5
Lady bird [3.3K]

Answer:

9

Step-by-step explanation:

just do 16 - 5 its exactly the same

5 0
3 years ago
Today, a round-trip plane ticket from Los Angeles to New York costs $350. If the average annual inflation rate is 2.5%, how much
Brrunno [24]
Answer = 875

350 x 2.5 = 875
4 0
3 years ago
in a window display at a flower shop, there are 3 spots for 1 plant each. to fill these 3 spots, adam has 7 plants to select fro
Andrej [43]

Answer: 210

Step-by-step explanation:

We know that the number of combinations of n things taken r at a time is given by :-

C(n,r)=\dfrac{n!}{r!(n-r)!}

So, number of ways to select 3 plants out of 7 = C(7,3)=\dfrac{7!}{3!4!}=\dfrac{7\times6\times5\times4!}{6\times 4!}=7\times5=35

Also number of ways to arrange them in 3 positions = 3! = 6

Now , total number of arrangements with 1 plant in each spot = (number of ways to select 3 plants out of 7) x (number of ways to arrange them in 3 positions)

= 35 x 6

=210

Hence, required number of ways = 210

5 0
2 years ago
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