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Alex
3 years ago
14

Please help fast!?!?!?!

Mathematics
2 answers:
Vesnalui [34]3 years ago
6 0

Answer:

c

Step-by-step explanation:

m_a_m_a [10]3 years ago
3 0
Answer: is c
Great good easy
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Given the following functions, evaluate each of the following:
Olegator [25]

Answer:

1. -6

Step-by-step explanation:

f(x)=x²-9

g(x)= x-3

1. (f+g)(2) =

(2²-9)+(2-3) = (4-9)+(2-3) = (-5)+(-1)= -6

8 0
2 years ago
If blueberries cost $4.00 per pound, how many pounds of blueberries can you buy for $1.00?
Masteriza [31]

If x is the number of berries you can buy with 1 dollar,

1 pound of blueberries = $4.00

x pound of berries = $1.00

Lets set up a proportion- because these are directly proportional- when there is more pounds of berries, it will cost more.

\frac{1}{4.00} = \frac{x}{1.00}

Cross multiply

4x=1

Divide both sides by 4 to isolate x

x=1/4 or $0.25

7 0
2 years ago
9/10( -2/3) ( symplify )
levacccp [35]
-3/5 because you multiply 9/10 by -2/3
4 0
3 years ago
What is the correct negation of "There is someone in Spain who speaks at least 10 languages"?1) "Everyone in Spain speaks at lea
Gnom [1K]

Answer:

4) "Everyone in Spain speaks at most 9 languages."

Step-by-step explanation:

A negation is a statement that contradicts the original statement. Since the original statement regards people in Spain, options 2, 5, 6 and 7 can be ruled out as they refer to speakers outside of Spain.

Evaluating the remaining statements.

1) "Everyone in Spain speaks at least 10 languages."

If that is true, then someone in Spain speaks at least 10 languages, it doesn't negate the original statement.

3) "There is someone in Spain who speaks at most 9 languages."

It only refers to one specific individual, it doesn't negate the original statement.

4) "Everyone in Spain speaks at most 9 languages."

This means that nobody in Spain speaks more than 9 languages, contradicting the original statement.

The answer is statement 4.

5 0
3 years ago
What is the domain of the function graphed below?​
vlabodo [156]

Answer:

x < 7

Step-by-step explanation:

the domain of a function defines the valid x values for the function.

as we go from left to right through all possible values of x, we see all values incl. x=-1 are creating a valid function result (y) for this function. until we reach x=7.

the empty ball indicates that there is no y value defined here. and for any value x>7 there is no y value defined.

so, x < 7 is the right one.

5 0
3 years ago
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