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Crazy boy [7]
3 years ago
10

ASAP! GIVING BRAINLIEST! Please read the question THEN answer CORRECTLY! NO guessing. Show your work OR give an explaination.

Mathematics
2 answers:
Svetradugi [14.3K]3 years ago
7 0

Answer:

D

Step-by-step explanation:

(f + g)(x) means that you add the two functions together, which results in (f + g)(x) = 2x + 1 + x² - 7 = D) x² + 2x - 6. Hope this helps!

wolverine [178]3 years ago
4 0

Answer:

d.

Step-by-step explanation:

x^2 because their is no other x^2

2x because their is no more x.

-7+1 equals -6

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If you roll a standard 6 sided die one time what is the probability of getting 3 or even number
Svetach [21]
1/2



Explanation: if you have a 6 sided dice and you want to role a 3 your probability of getting it would be 3/6 which if you simplify that it’s 1/2
8 0
3 years ago
What number would you add to both sides of x2 + 7x = 4 to complete the square? 22 72
Studentka2010 [4]

In order to complete the square with the numbers that you have, you would have to add 12.25 to both sides.

In order to complete the square, you always have to add half of the x coefficient squared. Since the x coefficient is 7, we take half of that (3.5) and square it to get 12.25.

6 0
4 years ago
Read 2 more answers
which of the following are ordered pairs for the given function f(x)=1+x.? (1,2) (3,3) (0,2) (1,0) (0,1)
andrezito [222]

Answer:

no,  

(

1

,

0

)

is not an ordered pair of the function  

f

(

x

)

=

1

+

x

.

Step-by-step explanation:

Ordered pairs are usually written in the form  

(

x

,

y

)

by tradition.

so usingthe function,

f

(

x

)

=

1

+

x

we can rewrite it as,

y

=

1

+

x

any pair of x and y that satisfy this equation are solutions to the equation.

so subbing in  

(

1

,

0

)

,

0

=

1

+

(

1

)

0

=

2

which is not true so the point does not make the function true.

It might be easier to see graphically,

graph{1+x [-10, 10, -5, 5]}

any combination of x and y on this line make the equation true and as such are an ordered pair of the function.

8 0
3 years ago
Read 2 more answers
What value of y satisfies the system of equations {9x+2y=24y=6x+19
xxMikexx [17]

Step-by-step explanation:

Equation 1: 9x + 2y = 24y, 9x = 22y, x = 22/9 y.

Equation 2: 24y = 6x + 19,

24y = 6(22/9 y) + 19

24y = 44/3 y + 19

28/3 y = 19

Hence, y = 19 * 3/28 = 57/28.

8 0
3 years ago
Alana has 12.5 cups of flour with which she is baking
almond37 [142]

Answer:

12.5=4x+2.5 is the equation. First you would subtract 2.5 from both sides, leaving 10=4x. Then you divide by 4 and your answer would be x=2.5

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
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