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lys-0071 [83]
2 years ago
8

I need help help me and no links

Mathematics
1 answer:
steposvetlana [31]2 years ago
7 0

Answer:

Step-by-step explanation:

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The square of 15 is 225. The square of what other number is 225?
Firlakuza [10]

Answer:

-15

Step-by-step explanation:

-15²

= -15×-15

= 225

hope it helps!!

7 0
3 years ago
Read 2 more answers
Create an expression equivalent to 2 (3x =1) 3x+4 using the least number of terms
Mariana [72]

Answer:

18x^2 + 18x -8

Step-by-step explanation:

To use the least number of terms, simplify the expression. To simplify, distribute into the parenthesis and combine like terms.

2(3x-1)(3x+4) = 2(9x^2-3x+12x-4) = 2(9x^2+9x-4) = 18x^2 + 18x -8

6 0
3 years ago
What can you infer about elements that are in the same group?
Molodets [167]
B.

Elements of the same group in the Periodic Table will have similar chemical and physical properties.
4 0
3 years ago
Read 2 more answers
What is the median of the data: 1, 2, 3, 3, 5, 6, 8
kobusy [5.1K]

Median: The middle number in the data set when the

data set is written from least to greatest.

Since our data set is already written from least to greatest,

we can just look for the number that appears in the middle.

In this case, it would be 3.

Mode: The number that appears

most frequently in a data set.

Notice that the number 3 appears twice in the data set and no other

number appears more than once. So the mode is 3.

Range: The difference between the greatest number in

the data set and the least number in the data set.

Since the greatest number is 8 and the least number is 1,

the range of the data set will be 8 - 1 or 7.

3 0
3 years ago
Let f(x)=x^2-5x-36.
Georgia [21]

Answer:

9 and -4

Step-by-step explanation:

Find two numbers that multiply to be -36 and add to be -5.

That is -9 and 4.

So the factored form of x^2-5x-36 is (x-9)(x+4)

So the x-intercepts are 9 and -4

8 0
2 years ago
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