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r-ruslan [8.4K]
3 years ago
15

What’s the value of x??

Mathematics
1 answer:
KengaRu [80]3 years ago
7 0

Answer:

7

Step-by-step explanation:

98

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A hot air balloon climbs, at a 30 degree angle to the ground, to a height of 800 feet. To the nearest tenth of a foot, what grou
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It would be 300 feet of 3 dergree
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Luis, using appropriate safety precautions, fires a .22 caliber gun directly into the sky above him. The bullet travels at a spe
Tanya [424]

The equation represents height as a function of time.

The bullet was in the air for 75 seconds.

The equation is given as:

h(t) = -16t^2  + 1200t

The time spent in the air is the time it takes the bullet to land on the ground.

When the bullet is on the ground, the height is:

h(t) = 0

So, we have:

h(t) = -16t^2  + 1200t

-16t^2 + 1200t = 0

Factor out t

t(-16t + 1200) = 0

Split

t = 0 or -16t + 1200 = 0

t = 0 represents when the shot is fired.

So, we solve for t in -16t + 1200 = 0

Collect like terms

16t = 1200

Divide both sides by 16

t = 75

Hence, the bullet was in the air for 75 seconds

Read more about height and time at:

brainly.com/question/2261757

5 0
2 years ago
The height of dachshuds is usually 1/3 their length. If Molly is 20 inches long how tall is she?
Llana [10]
The question is asking for 1/3 of Molly’s length, which is 20 inches. The word of in this context indicates multiplication, which means you should multiply 20 by 1/3.
1/3 x 20 = 6.666666 (repeating) or 6.7 (rounded)
Therefore, Molly is 6.7 inches tall.
6 0
3 years ago
What is the perimeter a square whose is 6.5 inches?
chubhunter [2.5K]
There are four sides
6.5 x 4 = 26
5 0
3 years ago
I need some help please
Galina-37 [17]

Answer:

  1. Hexagon
  2. Heptagon

Step-by-step explanation:

The first shape has 6 sides. Hence, it is called a hexagon.

The second shape has 7 sides. Hence, it is called a heptagon.

8 0
1 year ago
Read 2 more answers
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