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Andrews [41]
2 years ago
6

Grandpa Ernie is shrinking! Over the past 4 years, his height decreased by a total of 2.4 cm. It decreased by the same amount ea

ch year. The change in height each year was _____________________ cm.
Mathematics
1 answer:
Ne4ueva [31]2 years ago
3 0

Answer:2

Step-by-step explanation:

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A football is kicked into the air. The height of the football can be modeled by the equation
Alinara [238K]

Answer:

x = 0 and x = 1

Step-by-step explanation:

Given that,

A football is kicked into the air. The height of the football can be modeled by the equation :

h = -16x^2 + 16x

Where

h is the height reached by the ball after x seconds

When it touches the ground, h = 0

So,

-16x^2 + 16x=0\\\\16x(-x+1)=0\\\\x=0\ and\ x=1

So, it will touch the ground at x = 0 and x = 1 seconds.

6 0
3 years ago
Please help, I have no idea what you are spossed to do.
Likurg_2 [28]

Me neither. I used to know, good luck!

8 0
3 years ago
Help? I cannot get my head around it.
sergejj [24]

Answer:

60cm³

Step-by-step explanation:

8 0
2 years ago
What is relationship between the unit fractions,1/2 and1/10? Describe both the number and size of the parts
Anna35 [415]
The two fractions are divisible by 2, can be broken down 
6 0
3 years ago
Please help
maxonik [38]

Answer:

D. -12s squared + 11st - 2t squared

Step-by-step explanation:

FOIL:

-3s(4s) - 3s(-t) + 2t(4s) + 2t(-t)

- 12s² + 3st + 8st - 2t²

Simplify.

- 12s² + 11st - 2t²

7 0
3 years ago
Read 2 more answers
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