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lakkis [162]
3 years ago
9

A line has a slope of -1/2 and a y-intercept of –2. So what is the x intercept on the line.

Mathematics
1 answer:
SashulF [63]3 years ago
6 0

Answer:

(4,0)

Step-by-step explanation:

The equation of the line is y = (-1/2)x - 2.  At the x-intercept, y = 0. Setting y = (-1/2)x - 2 to zero, we get (1/2)x = 2, and thus x = 4.  

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Y and x have a proportional relationship, and y = 24 when x = 16.
cluponka [151]

Good evening ,

Answer:

B. 24

Step-by-step explanation:

y and x have a proportional relationship, and y = 24 when x = 16

then

y÷x = 24÷16 = 1.5

Since y=36 then

36÷x = 1.5

then

x = 36÷1.5 = 24.

:)

4 0
3 years ago
Read 2 more answers
20 POINTS PLEASE HELP DUE NEXT PERIOD
Vedmedyk [2.9K]
Given: y=x^3 and y=343
So, 343=x^3
Cube root both sides which will get rid of the cube on the right side of the equation
You are left with the cube root of 343. Which equals 7.
7*7*7=343
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3 0
4 years ago
In a 45-45-90 triangle, the hypotenuse is 7, find both the legs
Nadya [2.5K]

Answer: If the hypotenuse is 7, the other 2 sides are \sqrt{24.5} 0r about = 4.95

Step-by-step explanation:  in a 45-45-90 triangle, the legs are equal.

a² + b² = c² .   2(a²) = 49  a² = 49/2

So find the square root of 24.5

\sqrt{24.5}   =4.949747468 .round to 4.95

7 0
3 years ago
Replace ∗ with a monomial so that the derived equality will be an identity: (15y + ∗)2 = 225y2+12x3y+0.16x6
kobusy [5.1K]

Answer:

<u>∗ = 0.4x³</u>

Step-by-step explanation:

(15y + ∗)² = 225y²+12x³y+0.16x⁶

<u>Note:</u>

225y² = 15y * 15y = (15y)²

12x³y = 2 * 15y * 0.4x³

0.16x⁶ = 0.4x³ * 0.4x³ = (0.4x³)²

So, by factoring the right hand side:

225y²+12x³y+0.16x⁶ = (15y + 0.4x³)²

By comparing the left hand side with (15y + 0.4x³)²

<u>So, ∗ should be replaced with the monomial 0.4x³</u>

6 0
3 years ago
0.07 is one tenth of
mr Goodwill [35]
0.07 is one tenth of 0.7
8 0
3 years ago
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