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3 years ago

Slope (-5,12)(-17,4)

Mathematics

2 answers:

Goryan [66]3 years ago

6 0

So the right answer is 4/11

please see attached picture for full solution

Hope it helps

Good luck on your assignment

DerKrebs [107]3 years ago

5 0

Answer:

$= \frac{2}{3}$

Step-by-step explanation:

$slope = \frac{y1 - y2}{x1 - x2} \\ = \frac{12 - 4}{ - 5 - ( - 17)} \\ = \frac{8}{ - 5 + 17} \\ = \frac{8}{12} \\ = \frac{2}{3}$

hope this helps

brainliest appreciated

good luck! have a nice day!

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Three siblings date Kate and Sarah spent 100 hours helping Habitat for Humanity build new housing .Sarah worked 15 hours more th

Inessa [10]

The starting equation is
100=S+D+K
S is for Sarah, D is for Dave, and K is for Kate

This is what we know:
S=15+D
and
K=D-5
Now that we know how to find the values of everything, we must plug it in.

100=(15+D)+D+(D-5)
Combine like terms.
100=10+3D
Subtract 10 to isolate variable.
90=3D
Divide by 3 to isolate variable.
30=D
Plug in number to find the answers.

Answer:
Sarah worked for 45 hours
Dave worked for 30 hours
Kate worked for 25 hours

3 0

4 years ago

Read 2 more answers

Which table corresponds with the function f(x) = x2 + 4?

DerKrebs [107]

X:-2,-1,0,1,2
y: 7,4,1,-2,-5

4 0

3 years ago

Jade used candle molds, as shown, to make candles that were perfect cylinders and spheres:

Fittoniya [83]

Answer:

The difference in the amount of wax needed is 84.78 in³ (84.78 cubic inches)

Step-by-step explanation:

Given

Cylinder

Radius = 3 inches

Height = 7 inches

Sphere

Radius = 3 inches

Required

The difference in the amount of wax needed to make a candle from each of these molds

The quantity or amount required to make a wax of candle from each molds can be calculated by getting the volume of both molds

The volume of a cylinder is calculated using

V₁ = πr²h

where r and h are the radius and the height of the cylinder, respectively.

r = 3 in and h = 7 in

The volume of a sphere is calculated using

$V_{2} = \frac{4}{3}\pi r^3$

where r is the radius of the sphere

r = 3 in

Calculating V₁

V₁ = πr²h

V₁ = π * 3² * 7

V₁ = π * 9 * 7

V₁ = π * 63

V₁ = 63π

Calculating V₂

$V_{2} = \frac{4}{3}\pi r^3$

$V_{2} = \frac{4}{3} * \pi * 3^3$

$V_{2} = \frac{4}{3} * \pi * 27$

$V_{2} = \frac{108}{3} * \pi$

V₂ = 36π

Having calculated the volume of each molds, the difference in the amount of wax needed can then be calculated.

Difference = V₁ - V₂

Substituting 63π for V₁ and 36π for V₂

Difference = 63π - 36π

Difference = 27π

(Taking π = 3.14)

Difference = 27 * 3.14

Difference = 84.78

Hence, difference in the amount of wax needed is 84.78 in³

8 0

3 years ago

Read 2 more answers

Vector u has a magnitude of 4 with a direction of 50°. Vector v has a magnitude of 6 with

Luda [366]

Answer: <8.01, 5.60>.

Step-by-step explanation:

Vector:

$v= (r\cos\theta,r\sin\theta)$

, where r = magnitude and $\theta$ = angle .

As per given,

$u=(4\cos 50^{\circ}, 4\sin 50^{\circ})\\\\\approx(4(0.64),4(0.77))\\\\=(2.56, 3.08)$

$v=(6\cos 25^{\circ}, 6\sin 25^{\circ})\\\\\approx(6(0.91),6(0.42))\\\\=(5.46, 2.52)$

Consider

$u+v=(2.56,3.08)+(5.46,2.52)\\\\=(2.56+5.46,3.08+2.52)\\\\=(8.02,\ 5.60)$

Hence, the correct option is <8.01, 5.60>.

7 0

3 years ago

2x-y=-10 y=4 what is the solution

ratelena [41]

Answer:

(- 3, 4)

Step-by-step explanation:

given the 2 equations

2x - y = - 10 → (1)

y = 4 → (2)

Substitute y = 4 into (1) and solve for x

2x - 4 = - 10 ( add 4 to both sides )

2x = - 6 ( divide both sides by 2 )

x = - 3

solution is (- 3, 4 )

3 0

3 years ago