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Ede4ka [16]
3 years ago
6

(5x^2-2x) + (10x^2-3x-1)​

Mathematics
1 answer:
marysya [2.9K]3 years ago
7 0

Answer:

15x2-5x-1

Step-by-step explanation:

that 2 is a exponet i dont have the right button

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Can someone help me with question 53
Advocard [28]

Answer:

D: 169

Step-by-step explanation:

because the number of dots along the bottom increases by two every time, the 7th one would have 13.

13 x 13 = 169

7 0
3 years ago
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NeX [460]

Answer:

c

Step-by-step explanation:

-7.5 is less than 6.5

4 0
3 years ago
Hey math can you help
HACTEHA [7]
So if we’re talking about meters per second, you would need to divide.

-17.5/5 = -3.5

NOW YOU THINK THATS YOUR ANSWER BUT NOO. You CANNOT have a negative second. So you take the absolute value of -3.5 and your answer would be 3.5

The rate of the anchor is 3.5 meters per second.
3 0
3 years ago
Berikut ini adalah data hasil penjualan beras toko “Sukses” selama seminggu (dalam kg). 24, 23, 25, 30, 31, 23, 26, 25, 29, 27,
Gnoma [55]

The mode of the given data is 25.

<u>Explanation:</u>

24, 23, 25, 30, 31, 23, 26, 25, 29, 27, 26, 25, 26, 25, 24, 27, 28, 30, 25, 27, 30, 26

Rearranging the data in ascending order:

23, 23, 24, 24, 25, 25, 25, 25, 25, 26, 26, 26, 26, 27, 27, 27, 28, 29, 30, 30, 30, 31

Mode of a data is the number that is repeated the most number of times in the entire data set.

From the given data set, we can see that the number that is repeated the maximum number of times is 25 as 25 is repeated 5 number of times.

Thus, the mode of the given data is 25.

6 0
3 years ago
The first term of an arithmetic sequence is -3 and the fifteenth term is 53. What is the common difference of the sequence?
sertanlavr [38]

Answer:

<h2>        C)  4</h2>

Step-by-step explanation:

The nth term of arithmetic sequence is   a_n=a_1+d(n-1)

So:

    a_{15}=a_1+d(15-1)\\\\53=-3+14d\\\\56=14d\\\\d=\dfrac{56}{14}=4

5 0
3 years ago
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