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icang [17]
2 years ago
13

Beth's summer vacation lasted 81 days. At the beginning of her vacation, she spent some time at soccer camp, 2 days at her grand

mother's house, and 11 days visiting Glacier National Park with her parents. She then had 40 vacation days remaining.
How many weeks did Beth spend at soccer camp?
Mathematics
2 answers:
Tasya [4]2 years ago
7 0

Answer: 4 weeks

Step-by-step explanation: 2+11=13

13+40=53

81-53=28

28÷7=4

i hope this helped !

enyata [817]2 years ago
4 0

Answer:

the answer is 4

Step-by-step explanation:

81 minus 28 minus 2 minus 11 equal 40 28 divide 7 is 4

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3) If you can buy one package of shallots for<br> $4, then how many can you buy with $12?
Olin [163]

Answer:

3.

Step-by-step explanation:

4$ = 1 pack

(think: what times 4 is 12? 3! so we need to muliply both sides of the equal sign by 3, so we can turn the 4 into a 12. Remember, what you do to on side, you must do to the other. )

4$ = 1 pack

*3  *3

12$ = 3 packs

so your answer is 3.

5 0
3 years ago
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A diver begins at sea level and descends vertically at a rate of 2 1/2 ft. per second. How long does the diver take to reach -15
galina1969 [7]

2 1/2 feet can be written as 2.5 feet.

Divide the total distance by the distance per second:


15.6 feet / 2.5 feet per second = 6.24 seconds.

7 0
3 years ago
The curve given by x=sin(t),y=sin(t+sin(t)) has two tangent lines at the point (x,y)=(0,0). List both of them in order of increa
SOVA2 [1]

Answer:

y = 0

y =2x

Step-by-step explanation:

Given parametric equations:

x (t) = sin (t)

y (t) = sin (t + sin (t))

The slope of the curve at any given point is given by dy / dx we will use chain rule to find dy / dx

(dy / dx) * (dx / dt) = (dy / dt)

(dy / dx) = (dy / dt) / (dx / dt)

Evaluate dx / dt and dy / dt

dx / dt = cos (t)

dy / dt = cos (t + sin (t)) * (1+cos (t))

Hence,

dy / dx = (1+cos(t))*cos(t + sin (t))) / cos (t)

@Given point (x,y) = 0 we evaluate t

0 = sin (t)

t = 0 , pi

Input two values of t and compute dy / dx

@ t = 0

dy / dx = (1 + cos (0))*cos (0 + sin (0))) / cos (0)

dy / dx = (1+1)*(1) / (1) = 2 @ t = 0

@t = pi

dy / dx = ( 1 + cos (pi))* cos (pi + sin (pi)) / cos (pi)

dy / dx = (1-1) * (-1) / (-1) = 0 @ t = pi

The corresponding gradients are 0 and 2 in increasing order and their respective equations are:

y = 2x

y = 0

5 0
2 years ago
Which line has the steepest positive slope?
faltersainse [42]

I'm pretty sure its line c.

Step-by-step explanation:

8 0
3 years ago
Can anybody answer this?
kirza4 [7]
Should be 180 my g, I’m pretty sure
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