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2 years ago

In the inequality -9 ≤ 9, which number appears farther left on a number line and why?

Mathematics

2 answers:

FrozenT [24]2 years ago

3 0

Answer: B

because of the reason given. (smaller numbers are father left and larger numbers are father right on the number line).

Oxana [17]2 years ago

3 0

Answer: A is the answer

Step-by-step explanation: since -9 is a negative is and 9 is positive, -9 will appear furthest to the left on a number line.

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Write the equation of a line that has a slope of 4 and goes through the point (1, -2)

Genrish500 [490]

Mark me as brainliest please! :)

The point-slope form of equation is
y
+
4
=
6
⋅
(
x
−
3
)
Explanation:
Point - Slope form of a linear equation is
(
y
−
y
1
)
=
m
⋅
(
x
−
x
1
)
Given : Slope
m
=
6
, Point
(
x
1
,
y
1
)
=
(
3
,
−
4
)
The point-slope form of equation is
y
+
4
=
6
⋅
(
x
−
3
)

8 0

3 years ago

Which of the following functions gives the radius, r(v), of a conical artifact that is 20 inches tall as a function of its volum

nalin [4]

By calculus or elementary geometry, we know that the formula for the volume of a cone, given pi (the constant), its height h and its radius r is:
$V=pi*h*r^2/3$
Lets solve this relation for the radius:
$3V=pi*h*r^2
$
$\frac{3V}{pi*h} =r^2$
$\sqrt{\frac{3V}{pi*h}} = r$
Now we have found a general formula that gives us the radius of a cone, given its volume and height. We need only substitute height (20in) and pi=3.14 to get the numerical equation: r=0.2185* $\sqrt{V}$

5 0

3 years ago

Can someone help me with this? Thank you!

satela [25.4K]

The correct answer should be the third option. YOU'RE WELCOME :D

3 0

3 years ago

NEED HELP ASAP WILL GIVE BRAINLIEST

saveliy_v [14]

Answer: x=-2 and y=-2

Step-by-step-explaination:

To solve the system of equations you have to cancel out a variable. I chose to cancel out Y. First, the coefficients of y need to be the same in both equations. To do this multiply to the top equation by 2 so you get

2(2x) +2(y) = 2(-6)

4x + 2y = -12

Next, subtract the second equation from the first to cancel out the y’s

4x + 2y =-12

-(-8x + 2y = -12)

————————

12x = -24

Solve

X = -24/12

X=-2

Plug x into the original equation to find y

2(-2) + y = -6

-4 + y = -6

Y = -6 +4

Y=-2

You can substitute x and y into the original equations to double check

3 0

3 years ago

2.48 rounded to the nearest cent

aleksklad [387]

Answer:

Step-by-step explanation:

.48 rounds down

.5 rounds up

8 0

3 years ago

Read 2 more answers