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Alik [6]
3 years ago
13

Can someone help me please??

Mathematics
1 answer:
Mariulka [41]3 years ago
5 0
The determinant is 45
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Help!! Whoever tries gets brainliest!
Rzqust [24]

Answer:

q: quarters, 2q, 2q + 22, & 3(2q+22)

Step-by-step explanation:

A: The variable “q” will be the number of quarters

B:

2q will be the numbers of dimes

2q+22 will be the numbers of nickels

3(2q + 22) will be th number of pennies

7 0
2 years ago
Smoothing a time series of observations A. is a form of statistical cheating. B. allows statisticians to use less data than woul
DedPeter [7]

Answer:

D. is used to reveal an underlying pattern in the data.

Step-by-step explanation:

Smoothing a time series is achieved when a computer uses some pre-programmed calculation methods to remove noise from large volumes of data. Smoothing helps a user detect patterns in a set of data, thus making it possible to make future predictions. For example, smoothing can be used in the prediction of the rise and fall of stock prices. This helps the traders to have an idea of what to expect in the cost of trading.

Although smoothing reveals the patterns in a set of data, it provides no explanation as to why it is so. It is left to the researcher to draw conclusions as to the reasons for the patterns.

5 0
3 years ago
What is 30% of a book with 210 pages
Masteriza [31]

Answer:

63 pages

Step-by-step explanation:

I AM NOT SURE THIS IS CORRECT. I WILL EXPLAIN MY REASONING THOUGH.

Take 210 (pages) and multiply that by 30% or 0.3 that will give you 63. This means that 30% of the book is 63 pages

7 0
3 years ago
GIVING BRAINLIEST TO THE PERSON THAT CAN EXPLAIN THIS THE BEST (:
Amanda [17]

Answer:

25π-24

Step-by-step explanation:

from the figure,

radius of the circle(r)=diameter of the circle(d)/2

=10/2

=5

Area of the circle(A)=πr^2

=π5^2

=25π

Again,

base of the right angle triangle(b)=6

perpendicular of right angle triangle(p)=8

we also know,

the area of right angle triangle = 1/2*base*height

=1/2*6*8

=1/2*48

=48/2

=24

Now, Area of the shaded region=Area of circle - Area of right angle triangle (given in the figure)

Area of shaded region= 25π -24

5 0
1 year ago
Why do I need to pay to see answers....
Korvikt [17]
Same girl oh my god it won’t let me ask anymore questions. Not my fault my math teacher gave me 30 questions to ask
8 0
3 years ago
Read 2 more answers
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