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aivan3 [116]
3 years ago
7

HELP PLEASE!!! ALSO. PLEASE NO LINKS, JUST GIVE ME THE ANSWER

Mathematics
1 answer:
cluponka [151]3 years ago
5 0
X > 75

-x/5 < -15
First we multiply both sides by 5 to get rid of the denominator.
-x < -75
Then divide both sides by -1. When we divide by a negative, though, the direction of the inequality changes. So we’re going from “ -x is less than - 75 “ to “x is greater than 75”
x > 75
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2.What is the y-coordinate for the solution of the system of equations below
tino4ka555 [31]

the answer for this question is (C)3

5 0
3 years ago
Direct Variation: If y = 12, when x = 4, find y when x = 20. a.40 b.48 c.12 d.60
jolli1 [7]

Answer:

d

Step-by-step explanation:

Given the x and y are in direct variation then the equation relating them is

y = kx ← k is the constant of variation

To find k use the condition y = 12 when x = 4, that is

12 = 4k ( divide both sides by 4 )

3 = k

y = 3k ← equation of variation

When x = 20 , then

y = 3 × 20 = 60 → d

3 0
3 years ago
The radius of the cone is 7 in and y = 25 in. What is the volume of the cone in terms of π? A cone with a right triangle formed
Lady bird [3.3K]

Answer:

142.1π in³

Step-by-step explanation:

Given that:

The radius (r) =  7 in

The slant height (y) = 25 in

Then the height (x) can be determined by using the Pythagoras rule:

y² = x² + r²

25² = x² + 7²

125 = x² + 49

125 - 49 = x²

x² = 76

x = √76

x = 8.7

The formula for the volume of a cone is;

= 1/3 πr²h

where;

height(h) is calculated as "x" from above = 8.7

Then;

= 1/3 × π × (7 in)² × 8.7 in

= 142.1π in³

5 0
3 years ago
Read 2 more answers
Evaluate the function.<br> f(x) = -22 – 3x + 3<br> Find f(7)
Artemon [7]
F(7)= -22 - 3(7) + 3
f(7)= -22 - 21 +3
f(7)= -40

Hope that helps!
3 0
3 years ago
I need help with 3 questions tell me please?
Sphinxa [80]
1 is       6 times z   and z  times z

6 0
3 years ago
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