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Viefleur [7K]
3 years ago
13

If f(x) = x² + 7, what is the value of f(4)? Enter the answer in the box. PLEASE HELP .

Mathematics
1 answer:
bazaltina [42]3 years ago
7 0

Answer:

23

Step-by-step explanation:

With f(4), we plug 4 into the function.

f(4) = 4² + 7

f(4) = 16 + 7

f(4) = 23

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Is 0.919191 a terminating or repeating decimal
nydimaria [60]
Repeating because its repeating 91.
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Which is better 1 of 4 people sharing 6 segment chewy fruit worm or 1 of 8 people sharing a 12 segment chewy fruit worm
jok3333 [9.3K]
Well it's 1 of 8 bc that person would have it all to himself 
4 0
3 years ago
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A building with a height of 32 m casts a shadow that is 20 m long. A person standing next to the building casts a shadow that is
r-ruslan [8.4K]

Answer:

Building's actual height 32 meters

Building's shadow height 20 meters

Person's shadow height 1.2 meters

Person's actual height = ?

Find the person's actual height:

This is a proportion problem.

Actual height to shadow height

Building = Person

32 : 20 = x : 1.2

32 * 1.2 = 20 * x

38.4 = 20x

38.4/20 = 20x/20

1.92 = x

The person's actual height is 1.92 meters long.

32 : 20 = 1.92 : 1.2

32/20 = 1.60

1.92/1.2 = 1.60

Step-by-step explanation:

6 0
3 years ago
Center -c (3,-2), radius 4. ​
taurus [48]

Answer:

(x-3)^2+(y+2)^2=16

Step-by-step explanation:

center (h,k) radius r

(x-h)^2+(y-k)^2=r^2

6 0
3 years ago
What would x be equivalent to in this equation?<br><br> 6 = 20 - x/3
Verizon [17]
<h2>Answer= <u>42</u></h2>

Step-by-step explanation:

Greetings !

Given expression

6 = 20 -  \frac{x}{3}

Switch sides

20 -  \frac{x}{3}  = 6

subtract 20 from both sides

20 -  \frac{x}{3}  - 20 = 6 - 20

\frac {  - x}{3}  =  - 14

multiply both sides by 3

3( \frac{ - x}{3} ) = 3( - 14)

simplify

- x =  - 42

divide both sides by -1.

\frac{ - x}{ - 1}  =  \frac{ - 42}{ - 1}  \\ x = 42

Hope it helps!

4 0
2 years ago
Read 2 more answers
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