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cestrela7 [59]
2 years ago
9

X squared minus 39x+74=0

Mathematics
1 answer:
Romashka [77]2 years ago
5 0

Answer:

-74

Step-by-step explanation:

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Kara and Lindsey both hike in separate directions from their campsite, with Kara hiking straight to the east and Lindsey hiking
xz_007 [3.2K]

Answer:

A. f(x)=x^2+x+0.25

Step-by-step explanation:

If x represents Lindsey's distance at 2:00 PM, then 2x represents Kara's distance at 2:00 PM because she walked twice as far as Lindsey. Then adding on the values we got for 2:30 PM, we get that Kara walked a distance of 2x+1 and Lindsey walked a distance of x+0.5 at the time of 2:30 PM. Now, we know that they have formed a right triangle because we are given the directions they walked in; east and north. This allows us to use a formula for the area of a right triangle: 1/2(L x W). Plugging in our values, we get...

1/2(2x+1)(x+0.5)

which simplifies to...

1/2(2x^2+2x+0.5)

which further simplifies to...

x^2+x+0.25

which is our answer.

4 0
3 years ago
Find the rule, solve for n
Andrej [43]
Try this option:
note, that the difference between 8 and 10 is 2, between 9 and 12 is 3, between 11 and 16 is 5. It is possible when f(x) is linear function, 2x-6, therefore f(14)=2*14-6=22

Answer: 22.
6 0
3 years ago
The base of a pyramid has n sides. write an expression for the number of corners on the pyramid.
melisa1 [442]

Answer:

n+1

If a pyramid has n number of sides

⇒number of vertices in the base = n

Since in a pyramid there is one vertex on the top,and n number of faces are on the sides,and one face is in the base.

Total number of faces of pyramid = n+1

7 0
3 years ago
An 18 foot rope is extended from the top of a tree to a stake in the ground. What is the measure of the angle, to the nearest de
poizon [28]

Answer:

6 ugly

Step-by-step explanation:

6 x 3 equals 18

5 0
3 years ago
Solve for x<br> please help !!
kati45 [8]

Answer:

34

Step-by-step explanation:

j

8 0
3 years ago
Read 2 more answers
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