Three fourths of a number decreased by nine is at least forty-two. As an inequality.
Answers
Answer
x ≥ 68
Explanation
let that number be x.
(3/4) of x = (3/4) × x
= 3x/4
Decrease 3x/4 by 9,
3x/4 - 9
This expression is at least 42,
∴ 3x/4 - 9 ≥ 42
3x - 36 ≥ 168
3x ≥ 168 + 36
3x ≥ 204
x ≥ 68
that > should be underlined to get the "or equal" in there
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Answers
Answer:
4
Step-by-step explanation:
You add -4 with 8 so you have -4 + 8 = 4
Answers
Answer:
(4,1)
Step-by-step explanation:
The vertex of the quadratic can be found using -b/2a. The vertex is the point (-b/2a, f(-b/2a)).
To find the x coordinate of the quadratic, define its a,b, and c. The quadratic has a = 2, b=-16, and c=31. Then -b/2a is -(-16)/2(2) = 16/4 = 4.
To find the y-coordinate, input the x=4 and solve for y.
The vertex is (4,1).
9
c= /[?]
TX
Pythagorean Theorem: a2 + b2 = c2
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Don’t mind the broken laptop
Answers
Answer:
c =
Step-by-step explanation:
Using Pythagoras' identity in the right triangle.
The square on the hypotenuse c is equal to the sum of the squares on the other 2 sides, that is
c² = 9² + 3² = 81 + 9 = 90 ( take the square root of both sides )
c =
Answers
r=common ratio
a1=first term
it looks like 2^0=1 is the first term aka a1
it goes to the 9th term (2^9)
sub
2^0= 2
2^1= 2
2^2=4
2^3= 8
2^4=16
2^5=32
2^6=64
2^7=128
2^8=256
2^9=512
So then you add all them up
2+2+4+8+16+32+64+128+256+512= 1024
so there is your answer 1024
Answers
legs are x and hypotonuse=x√2
10=furst x
10=x
hypotonuse=10√2
that hypotonuse is the leg of the other triangle
the hypotonuse is √2 times that
10√2=x of bigger triangle
hypotonuse=x√2=10√2 times √2=10*2=20
answer is 20 units