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Talja [164]
2 years ago
11

I NEED HELP ASAP GIVE U 50 POINTS​

Mathematics
1 answer:
Dovator [93]2 years ago
4 0

Answer:

37.5

Step-by-step explanation:

50+160=210.

210 is a 31.25% increase from 160

Multiply 120 by 1.3125 to get 157.5

subtract 120 from 157.5 to get a 37.5km increase or a 31.25% increase :)

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Karolina [17]

Answer:

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8 0
3 years ago
here are five rods a-1 a a a a+3 all measurements are in cm the total length of the five rods is l cm find a formula for l in te
Elenna [48]

Answer:

I=5a+2 (simplified form)


Step-by-step explanation:

I is the total length of all the 5 rods.

Each of the 5 parts lengths are (a-1), a, a, a, (a+3), respectively.


<em>We add all of them and equate it to I:</em>

I=(a-1)+a+a+a+(a+3)

<em>Simplifying this, we take like terms and add:</em>

<em>I=(a-1)+a+a+a+(a+3)\\I=5a-1+3\\I=5a+2</em>


5 0
3 years ago
What is the least common multiple of 4 and 10?
Luden [163]
Lcm of 4 and 10 is 20
7 0
3 years ago
Let f(x) = x² + 3x<br> What is f(-1) ?<br><br> Need help ASAP !!!!
Karo-lina-s [1.5K]

Answer:

-2

Step-by-step explanation:

f(x) = x² +3x

so f(-1) means f(x= -1) so wherever you see a "x" in your equation you put a "-1"

f(-1) = (-1)² +3*(-1) = 1 -3 = -2

8 0
3 years ago
What is the 7th term of the geometric sequence for 400, 200,100,....
loris [4]

Step-by-step explanation:

400,200,100,50,25,12.5, ...... 0.78125

4 0
3 years ago
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