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Elden [556K]
3 years ago
13

4 terms of this sequence

Mathematics
2 answers:
eimsori [14]3 years ago
8 0
5.8.13.20
f(n)=n2+4
f(1)=12+4=1+4=5
f(2)=22+4=4+4=8
f(3)=32+4=9+4=13
f(4)=42+4=16+4=20
weeeeeb [17]3 years ago
3 0

Answer:

5,8,13,20

Step-by-step explanation:

f(n)=n²+4

f(1)=1²+4=1+4=5

f(2)=2²+4=4+4=8

f(3)=3²+4=9+4=13

f(4)=4²+4=16+4=20

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Y is between points p and b. pt= 15 and tb = 10. what is pb
Kruka [31]
PT = 15, and TB = 10 

Take the 15 from PT, and add the 10 from TB. Which equals 25. 

PB = 25 

So, 25 is your answer. 

Hope this helps! ☺
4 0
3 years ago
For each expression, write an equivalent expression that only uses addition a. 20 - 9 + 8 -7 b. 4x - 7y - 5z + 6 c. -3x - 8y - 4
Genrish500 [490]

Answer:

a. =11+ 1

b. =4x+ (-7y) + (-5z) +6

c. (-3x) + (-8y) +(-4)+(-8/7z)

Step-by-step explanation:

a. 20 - 9 + 8 -7

=11+ 1  ( this is obtained by solving)

b. 4x - 7y - 5z + 6

=4x+ (-7y) + (-5z) +6

We multiply the negative sign with the positive sign to get a minus so the answer remains the same and the expression is written as an addition sum.

c. -3x - 8y - 4 - 8/7z

-[ 3x+8y+4+8/7z]

or

(-3x) + (-8y) +(-4) +(-8/7z)

The minus sign is taken as common leaving the expression with the plus only.

It can be written in the same manner as above, adding the negative terms so that the expression is written as a sum.

3 0
3 years ago
Kevin drove 357 miles using 14 gallons of gas. At this rate, how many miles would he drive using 16 gallons of gas?​
Inessa [10]

Answer:

Kevin could drive 408 miles using 16 miles of gas.

Step-by-step explanation:

357 (1/14) = 25.5

25.5 (16) = 408

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3 years ago
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