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topjm [15]
3 years ago
12

Need HeLpPPPP please :) ​

Mathematics
1 answer:
Zarrin [17]3 years ago
8 0

Answer:

x=   15/16

​  

Step-by-step explanation:

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An object is thrown upward from the top of 80 ft tower.The height h of the object after t seconds is represented by the quadrati
Sedaia [141]

Answer:The object will hit the ground after 5 seconds


Step-by-step explanation:

Given height of tower =80 ft

h=-16t^{2}+64t+80

When the object will hit the ground its height=0

0=-16t^{2}+64t+80

Multiplying both sides by -1

16t²-64t-80=0

Dividing by 16 both sides

t²-4t-5=0

(t-5)(t+1)=0

t=5 or -1

So t=5 since time cannot be negative

The object will fall after 5 seconds



6 0
2 years ago
Read 2 more answers
The formula for the volume of a sphere is. What is the formula solved for r?
nataly862011 [7]

Answer:

r = \sqrt[3]{\dfrac{3V}{4 \pi}}

Step-by-step explanation:

V = \dfrac{4}{3}\pi r^3

\dfrac{4}{3}\pi r^3 = V

\pi r^3 = \dfrac{3V}{4}

r^3 = \dfrac{3V}{4 \pi}

r = \sqrt[3]{\dfrac{3V}{4 \pi}}

3 0
2 years ago
Find the area of the shaded region in the simplest form
balandron [24]

Answer:

A = 24t² + 2t

Step-by-step explanation:

The shaded area (A) is calculated as

A = area of outer square - area of rectangle

   = (5t)² - t(t - 2)

   = 25t² - t² + 2t

    = 24t² + 2t

8 0
2 years ago
Read 2 more answers
(Absolute value of 12 - 20) - (27/3 + 11) ^2
rodikova [14]

Answer:

the answer is 400-8=394.

Step-by-step explanation:

6 0
2 years ago
Landon owns a hybrid SUV that can travel 400 miles on a 15-gallon tank of gas. Determine how many miles he can travel on 6 gallo
ss7ja [257]
There are few ways to count it. One of them is:

400 miles on 15-gallon tank
400 / 15 = 26,66666666666667 miles per 1 gallon (looks weirdly but we'll get a nice result in a second)
So 26,66666666666667 * 6 gallons = 160 miles

Answer: Landon's SUV can travel 160 miles on 6 gallons.
7 0
3 years ago
Read 2 more answers
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