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Varvara68 [4.7K]
3 years ago
13

The matrices shows the number of dance students enrolled in each type of class for two different years.

Mathematics
2 answers:
just olya [345]3 years ago
7 0

Answer:

The correct answer is C.

Step-by-step explanation:

In order to find the answer, we need to subtract the corresponding areas. In order to find the change, we subtract the first matrix from the second. If we look at the numbers in the top right we see.

9 - 21 = -12

Since C is the only one with -12 in the top right corner, it must be the correct matrix.

Scorpion4ik [409]3 years ago
3 0

Answer:

n54

Step-by-step explanation:

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the first term in a geometric series is 64 and the common ratio is 0.75. Find the sum of the first 4 terms in a series.
Rufina [12.5K]

hi

u0 = 64       with  u(n+1) = un *0.75  

u3 =  64 *0.75^3   = 27

sum is :      64 *  ( 0.75^4 -1)  / 0.75-1  = 175

manual proof :    64 + 48+36+27 = 175

6 0
3 years ago
Amanda's book bag is 0.10. Some of Amanda's pens are removed and replaced with pink pens. Her book bag still contains a total of
Marta_Voda [28]

Answer:

The number of pink pens can be 19 .

Step-by-step explanation:

Total Number of pens = 20

Let x be the number of pink pens

We are supposed to find If the probability of choosing a pink pen is close to 1, how many pink pens would you expect to see in Amanda's bag

Probability of choosing a pink pen = \frac{\text{Number of pink pens}}{\text{Total Number of pens}}

Probability of choosing a pink pen =\frac{x}{20}

ATQ

\frac{x}{20}≈1

x≈20

So, the number of pink pens can be 19 .

6 0
3 years ago
The number of fish in a lake is decreasing by 400 every year, as described by the function below.
FrozenT [24]

Answer:

D: 7800

Can you give me brainliest :>

Step-by-step explanation:

3 0
2 years ago
Andrew can jog 144 miles in 11 hours. Enter the number of miles he can jog in 1 hour.​
katrin2010 [14]
144/11= 13.09

Andrew can jog 13.09 miles in one hour.
8 0
3 years ago
True or false don’t lie
erastovalidia [21]

Answer:

t

Step-by-step explanation:

7 0
3 years ago
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