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joja [24]
3 years ago
15

Please explain/show work. P.s. it won’t let me uncheck a problem, so D isn’t necessarily the answer.

Mathematics
1 answer:
beks73 [17]3 years ago
6 0

Answer:

D) \displaystyle\frac{1}{4} x^2

Step-by-step explanation:

Hi there!

The correct answer is D.

\displaystyle\frac{1}{4} x^2 is the same as \displaystyle\frac{1}{4}* x^2, which is the same as \displaystyle \frac{x^2}{4}.

I hope this helps!

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Calculate S_24 for the arithmetic squence in which a_13= 1.9 and the common difference is d=3.7
zloy xaker [14]

Answer:

D. 1.2

Step-by-step explanation:

The sum of an arithmetic sequence is the product of the average term value and the number of terms.

The average term is often computed by averaging the first and last terms of the sequence. It can also be computed by averaging the middle two terms of the sequence (when there are an even number of terms, as here).

We are given a_13 is 1.9. We know that a_12 is 3.7 less, so is -1.8. Then the average of these two middle terms is ...

... (-1.8 + 1.9)/2 = 0.05

The product of this value and the number of terms (24) is ...

... 24·0.05 = 1.2 . . . . . the sum of 24 terms of the sequence

7 0
3 years ago
En las olimpiadas matemáticas,la hora de inicio del evento se expresa en una ecuación simple: 2x+6=x+17 ¿A qué hora empezó el ev
Sergio [31]

Answer:

11 minutos.

Step-by-step explanation:

En las Olimpiadas de Matemáticas, la hora de inicio del evento se expresa en una ecuación simple: 2x + 6 = x + 17 ¿A qué hora comenzó el evento?

La hora en que comienza el evento en los juegos olímpicos se representa como x

Por tanto: 2x + 6 = x + 17

Recopilar términos similares

2x - x = 17 - 6

x = 11 minutos

Por lo tanto, los eventos comienzan en 11 minutos.

7 0
3 years ago
A store sells towels for 25% off the regular price. The regular price of a beach towel is $24.50. Which expression represents th
garik1379 [7]
The answer is A because 25 percent is equivalent to .25
5 0
3 years ago
Read 2 more answers
Regular quadrilateral pyramid with base edge b=55 mm and lateral edge l = 7cm. Find the sum of all edges
egoroff_w [7]

Answer:

50cm or 500mm

Step-by-step explanation:

There are 4 base edges and 4 lateral edges, therefore, multiply the number for both edges by 4 and add.

Considering the fact that we were given two units of measurement, millimeters and centimeters, but we know that there are 10mm (millimeters) in a cm (centimeter) , we can just divide 55 by 10 to get 5.5.

¦

Therefore;

5.5 x 4 = 22

7 x 4 = 28

28 + 22 = 50cm

The diagram can be drawn in order to assist in answering the question.

8 0
3 years ago
What is the upper and lower quartile of this set of data? 15, 19, 20, 25, 31, 38, 41
aev [14]
Answer:

Upper quartile: 38
Lower quartile: 19
3 0
3 years ago
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