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2 years ago

HELLO! HOW ARE THEY? I HOPE PERFECT. : D

Mathematics

1 answer:

faust18 [17]2 years ago

3 0

Answer:

00.75

Step-by-step explanation:

00.75 is the answer

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Can you help me solve y=-3x-2 (-7x-6y=-10

navik [9.2K]

$y=-3x-2\\-7x-6y=-10\\\\
-7x-6(-3x-2)=-10\\
-7x+18x+12=-10\\
11x=-22\\
x=-2\\\\y=-3\cdot(-2)-2\\y=6-2\\y=4$

5 0

3 years ago

A colony of 23,000 bacteria doubles in size every 267 minutes. What will the population be 534 minutes from now?

Blababa [14]

Answer:

92000

Step-by-step explanation:

Since you are asking in 534 minutes, that means it will double twice.

23000 * 2 * 2 = 92000

7 0

3 years ago

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X/5 = 15 (Solving Linear Equations)

tiny-mole [99]

$\dfrac{x}{5}=15\\
x=75$

3 0

3 years ago

Given a function I and a subset A of its domain, let I(A) represent the range of lover the set A; that is, I(A) = {I(x) : x E A}

Ede4ka [16]

Step-by-step explanation:

(a)

Using the definition given from the problem

$f(A) = \{x^2 \, : \, x \in [0,2]\} = [0,4]\\f(B) = \{x^2 \, : \, x \in [1,4]\} = [1,16]\\f(A) \cap f(B) = [1,4] = f(A \cap B)\\$

Therefore it is true for intersection. Now for union, we have that

$A \cup B = [0,4]\\f(A\cup B ) = [0,16]\\f(A) = [0,4]\\f(B)= [1,16]\\f(A) \cup f(B) = [0,16]$

Therefore, for this case, it would be true that $f(A\cup B) = f(A)\cup f(B)$ .

(b)

1 is not a set.

(c)

To begin with

$A\cap B \subset A,B$

Therefore

$g(A\cap B) \subset g(A) \cap g(B)$

Now, given an element of $g(A) \cap g(B)$ it will belong to both sets, therefore it also belongs to $g(A\cap B)$ , and you would have that

$g(A)\cap g(B) \subset g(A \cap B)$ , therefore $g(A)\cap g(B) = g(A \cap B)$ .

(d)

To begin with $A,B \subset A \cup B$ , therefore

$g(A) \cup g(b) \subset g(A\cup B)$

7 0

3 years ago

What is the measure of angle x? 50 degrees 55 degrees О 60 degrees 80 degrees

Yanka [14]

Answer:

it may be 115 if its a quadrilateral

3 0

2 years ago

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