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olga_2 [115]
3 years ago
7

N(x)=20-x If n(x)=18, find the value of x

Mathematics
2 answers:
salantis [7]3 years ago
7 0
Your answer would be X=2
Dimas [21]3 years ago
4 0

Answer:

x=2

Step-by-step explanation:

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The sum of two positive integers, x and y, is not more than 40. The difference of the two integers is at least 20. Chaneece choo
oksian1 [2.3K]
<span>Chaneece chooses x as the larger number and uses the inequalities y ≤ 40 – x and y ≤ x – 20 to determine the possible solutions.

</span>y ≤ 40 – x, if x must be between 0 and 10, y must be between 20 and 40 <span>it is true
proof
</span><span>for x=0  and y=10,  y ≤ 40 – x equivalent to 10<40-0=40 it is true
</span>x=10, y=30,   <span>y ≤ 40 – x  equivalent to 30=40-10=30 it is true

the answer is </span><span>A) Yes, Chaneece found the correct solution. </span>
5 0
3 years ago
Read 2 more answers
Math...........................................
natta225 [31]
Uhhh... I think it’s D but that could be wrong
7 0
3 years ago
Read 2 more answers
Pls Help!!! i'll mark the right answer brainliest
Soloha48 [4]

Answer:

To apply the Perpendicular Bisector Theorem, the land surveyor need to identify;

The midpoint along the line connecting the two stakes

Step-by-step explanation:

The distance between the two stakes placed by the land surveyor = 500 ft.

The distance between the third stake on the perpendicular line and the line between the two stakes = 100 ft.

The perpendicular bisector theorem states that points on the perpendicular bisector to a line are of equal length to both ends of the line to which is perpendicular to

Given that all points on a perpendicular bisector are equidistant from the two end points of the line from which it is constructed, the midpoint on the line from which the perpendicular bisector is constructed is equidistant from the end points of the line and is therefore a point on the perpendicular bisector

Therefore;

The land surveyor need to identify the midpoint along the line connecting the two stakes in order to create a perpendicular bisector from which the 100 ft. location of the third stake such that it is equidistant from the other two stakes.

4 0
3 years ago
Helppppppp plz god bless u 10 points
wariber [46]

I believe D). 5 is the answer. If you clearly think about it, it actually might make sense. You just count the lines pointing from up to down.

7 0
4 years ago
What is the value of 2y + 3 when y +4 ?
MA_775_DIABLO [31]

Answer:

substitute y = 4 into the expression⇒(2×4)+3=8+3=11

Step-by-step explanation:

5 0
2 years ago
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