All categories

3 years ago

Daniel is a walmart he got a hoverboard for 100 dollars he pay with 250 dollars how much money did he get back

Mathematics

1 answer:

igor_vitrenko [27]3 years ago

7 0

250-100=150 dollars in change

You might be interested in

a ball is dropped from the height of 64 feet. its height can be modeled by the function h(t)=-16t^2+64, where t is the time in s

puteri [66]

Answer:

It takes 1.323 seconds for the ball to fall by 36 feet

Step-by-step explanation:

The height of the ball dropped from a height of 64 ft is modeled by the equation:

h(t) = -16t² + 64 where t is the time in seconds.

To find the time it takes to fall 36 ft, we substitute h(t) too be 36 ft and then solve the resulting quadratic function.

Substituting h(t) to be 36 ft:

36 = -16t² + 64

multiply through by -1

-36 = 16t² - 64

add 36 to both sides

16t² -64 + 36 = -36 + 36

16t² - 28 = 0

add 28 to both sides

16t² - 28 + 28 = 0 +28

16t² = 28

Divide both sides by 28

16t²/16 = 28/16

t² = 1.75

Find squre root of both sides

√t² = √1.75

t = 1.323 seconds

It takes 1.323 seconds for the ball to fall by 36 feet

5 0

3 years ago

Evaluate 4 - 0.25 x g + 0.5 x h (g = 10, h = 5)

bearhunter [10]

Step-by-step explanation:

Substitute g = 10, and h = 5 into the expression:

$4 - 0.25(10) + 0.5(5)$

Multiply:

$4 - 2.5 + 2.5$

Cross out -2.5 and 2.5, as they're equal to 0:

5 0

3 years ago

The points A BC :(2, 2,1), :(1,1,3), :(2,0,5) − are the vertices of a right triangle. The radius of the sphere with center at th

ElenaW [278]

Answer:

r=1

Step-by-step explanation:

First we need to know the length of each side of the triangle, so we use the formula of the vector modulus:

$|AB|= \sqrt{(b_{1}-a_{1})^{2}+(b_{2}-a_{2})^{2}+(b_{3}-a_{3})^{2}$

By doing so, we find:

$|AB|=\sqrt {6}\\|BC|=\sqrt {6}\\|AC|=2\sqrt {5}$

With this we know that the triangle is not right, but, we assume the longest side as the hypotenuse of the problem.

As we have two equal sides, we know that the line between point |AB| and the center of the hypotenuse is perpendicular, therefore, we can calculate it using Pythagoras theorem:

$|BC|^{2}=r^{2}+(\frac{|AC|}{2})^{2}\\\\r^{2}=|BC|^{2}-(\frac{|AC|}{2})^{2}\\\\r^{2}=(\sqrt{6})^{2}- (\frac{2\sqrt{5}}{2})^{2}\\\\r^{2}=6-5=1\\r=1$

4 0

3 years ago

Casey puts wrapping paper around a gift box. She wants to tie a ribbon

kkurt [141]

Well 12 inches is a foot so 24inches is 2 feet so there is a hint so 90 divided by 12 and there is part of it

3 0

3 years ago

3 divided by 3.40 i am sorry

Mademuasel [1]

The answer is in the photo

6 0

2 years ago