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hram777 [196]
3 years ago
9

A group of students is given a 10 by 10 grid to cut into individual unit squares. The challenge is to create two squares using a

ll of the unit squares. Their teacher states that after the two new squares are formed, one should have a side length two units greater than the other.
Which equation represents x, the side length of the greater square?

A) x2 + (x – 2)2 = 10
B) x2 + 2x2 = 10
C) x2 + (x – 2)2 = 100
D) x2 + 2x2 = 100
Mathematics
1 answer:
Crank3 years ago
6 0
C is the correct answer
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If f(x)=x^2+9x and g(x)=1/x, find f(g(-1)).
shtirl [24]

Answer:

x=3

Step-by-step explanation:

x^2-9

bcos g(-1)=-1

f(g)=x^2+9(-1)=0

x^2-9=0

x^2=9

x=√9

x=3

8 0
3 years ago
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2x+5=? when x is 3 what is the answer<br>​
34kurt

Answer:

11

Step-by-step explanation:

since x=3

2*3+5

you simplify 2*3 first

6+5

=11

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2 years ago
Priya bought these items at the grocery store. Find each unit price.
Xelga [282]

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Step-by-step explanation:

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2 years ago
Is a relation always a function? Is a function always a relation? Explain.
katen-ka-za [31]

A function is always a relation but relation is not always a function

<u>Solution:</u>

Given that, we have to explain Is a relation always a function and is a function always a relation

Note that both functions and relations are defined as sets of lists.  

In fact, every function is a relation. However, not every relation is a function.  A relation from a set X to a set Y is called a function if each element of X is related to exactly one element in Y.

That is, given an element x in X, there is only one element in Y that x is related to.

For example, consider the following sets X and Y. Let me give you a relation between them that is not a function;

X = { 1, 2, 3 }

Y = { a , b , c, d }

Relation from X to Y : { (1,a) , (2, b) , (2, c) , (3, d) }

This relation is not a function from X to Y because the element 2 in X is related to two different elements, b and c

Relation from X to Y that is a function: { (1,d) , (2,d) , (3, a) }

This is a function since each element from X is related to only one element in Y. Note that it is okay for two different elements in X to be related to the same element in Y. It's still a function, it's just not a one-to-one function.

So, we can say that function is a type of relation.

Which means whatever a function occurs, it will be a relation from one set to other.

But when a relation occurs it may be a function but need not be always a function.

Hence, a function is always a relation but relation is not always a function.

8 0
3 years ago
Please need help on this
dedylja [7]

Answer:

Step-by-step explanation:

the a = 30

4 0
3 years ago
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