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AnnyKZ [126]
3 years ago
5

What did I do wrong, it says I'm wrong

Mathematics
1 answer:
Alisiya [41]3 years ago
7 0

Answer:

This is not a function.

Step-by-step explanation:

Note, that set A contains 3 elements that only map to 2 elements in set B.  A function would require that each element of set A to match to only one element of set B.

Since set B contains an element with no mapping to an element in set A, this does not represent a function.

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What would be the future value of a savings account started with $675, earning 9 percent (compounded annually) after 7 years? (?
gizmo_the_mogwai [7]
The formula is
A=p (1+r)^t
A future value?
P present value 675
R interest rate 0.09
T time 7 years
A=675×(1+0.09)^(7)=1,233.93
5 0
3 years ago
May someone help, please ? Thank you ♥️
koban [17]
My final answer is (C) because for the side lenghts to be a right triangle, the values of the first and second terms should be equal to the third (a^2 and b^2 =c^2) hope that helped (:
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3 years ago
Equation in slope intercept form between points (1,-4) and (0,6)?
Vinvika [58]
Find the gradient:
m = y2-y1 / x2-x1
m = 6-(-4) / 0-1
m = 10 / -1
m = -10

Slope intercept form:
y = mx + c

Input the values from one of the points to find c (imputing (1,-4) to y=mx+c):
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c = -4 + 10
c = 6

Therefore, the equation is:
y = -10x + 6
7 0
3 years ago
Felix says that 2,000 + 400 + 70 is another way to write 2,407. What is Felix’s error
Umnica [9.8K]

2,000 + 400 + 70 would equal 2,470.

The correct way to write it would be 2,000 + 400 + 7

6 0
3 years ago
Read 2 more answers
15- -10 x -20 divided by (12 + -8)<br><br> What is the answer?
kobusy [5.1K]

Answer:

          10x - 5 / 4

Step-by-step explanation:

        15 - ( -10x ) - 20 / ( 12 + ( -8 ) )

      = ( -5 ) + 10x / ( 4 )

      = 10x - 5 / 4

<em>Hope it helps</em>

<em>:D</em>

3 0
3 years ago
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