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Crazy boy [7]
3 years ago
10

When you add 9 to me, the sum is the same as 10 + 10

Mathematics
2 answers:
melisa1 [442]3 years ago
6 0
10+10 equals 20

blank+9 equals 20

9+11 equals 20

Answer=11
Otrada [13]3 years ago
4 0
11 is the answer.
10+10=20
20-9=11
11+9=20
11
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An elevator travels 310 ft in 10 seconds at that speed how far can this elevator travel in 12 seconds explain your reasoning
marta [7]

Answer:

<u>372 ft</u>

Step-by-step explanation:

This can be solved through cross multiplication.

310ft/10sec= x/12sec

Multiply the values across from each other. (A good way to know you've done it properly is if the numbers you multiplied are in different measurements. ex: 1 value is feet,  the other is seconds)

310 x 12 = 3720

Divide by the remaining value.

3720 / 10 = 372

8 0
3 years ago
A bouncing ball reaches a height of 54 inches at its first peak, 36 inches at its second peak, and 24 inches at its third peak.
sesenic [268]

Answer:

f(x) = 54(two-thirds) Superscript x minus 1

Step-by-step explanation:

Given that:

First peak : 36 / 54=2/3

Second peak : 24 / 36 = 2/3

The common ratio here is 2/3 ; which mean each bounce height is 2/3 of previous height

Modeling this using geometric progression :

An=a1r^(n-1)

An = nth term of a geometric progression

a1=first term

r=common ratio = 2/3

n = nth term

a1=54

Substituting into the above formular :

An=54(2/3)^(n-1)

4 0
3 years ago
Read 2 more answers
What is the value of x ?
mel-nik [20]

Answer:

d

Step-by-step explanation:

8 0
3 years ago
Joyce determines that 30% of her monthly income goes for rent. If her monthly income is $2,009, about how much is her monthly re
bixtya [17]

Answer:

602.7

7,232.4

Step-by-step explanation:

2009 x 0.30 = 602.7

602.7 x 12 = 7232.4

8 0
3 years ago
The following points are on the graph of a function:
Maurinko [17]

An inverse function reverses the roles of inputs and outputs (of x-values and y-values).  

If (2,4) is on the graph of a function, then (4,2) is on the graph of the inverse function.  

If (9,7) is on the graph of the inverse, then (7,9) would be on the graph of the original function.  

If (a,b) is on the graph of the function, then (b,a) is on the graph of the inverse.  

 

Getting to your question, which of the points listed has the inverse listed up in the table?

5 0
3 years ago
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