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4 years ago

If Josefina is the coach of a baseball team, she is also qualified to be __________.

2 answers:

6 0

If Josefina is the coach of a baseball team, she is not necessarily qualified to be any of these choices.

the president of the country
the mayor of the city
the mother of two children

anastassius [24]4 years ago

6 0

Answer:

She is not necessarily qualified to be any of these choices

Step-by-step explanation:

Just took the test it was correct

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Tutorial Exercise A boat leaves a dock at 2:00 PM and travels due south at a speed of 20 km/h. Another boat has been heading due

ANTONII [103]

Answer:

Both the boats will closet together at 2:21:36 pm.

Step-by-step explanation:

Given that - At 2 pm boat 1 leaves dock and heads south and boat 2 heads east towards the dock. Assume the dock is at origin (0,0).

Speed of boat 1 is 20 km/h so the position of boat 1 at any time (0,-20t),

Formula : d=v*t

at 2 pm boat 2 was 15 km due west of the dock because it took the boat 1 hour to reach there at 15 km/h, so the position of boat 2 at that time was (-15,0)

the position of boat 2 is changing towards east, so the position of boat 2 at any time (-15+15t,0)

Formula : D= $\sqrt{(x2-x1)^2+(y2-y1)^2}$

⇒ $D = \sqrt{20^2t^2+15(t-1)^2}$

Now let $F(t) = D^2(t)$

∵ $F'(t) = 800t + 450(t-1) = 1250t -450\\F'(t) =0$

⇒ t= 450/1250

⇒ t= .36 hours

⇒ = 21 min 36 sec

Since F"(t)=0,

∴ This time gives us a minimum.

Thus, The two boats will closet together at 2:21:36 pm.

3 0

3 years ago

A study was designed to compare the attitudes of two groups of nursing students towards computers. Group 1 had previously taken

NeX [460]

Answer:

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3 0

3 years ago

What is the rule

Taya2010 [7]

Add 5

y is found by adding 5 to x

5 0

3 years ago

What is the solution to - 4x + 28 > 12

raketka [301]

Answer:

$\large\boxed{x$

Step-by-step explanation:

$-4x+28>12\qquad\text{subtract 28 from both sides}\\\\-4x>-16\qquad\text{change the signs}\\\\4x$

6 0

3 years ago

Which order pair is a solution of this equation. 5x+y=-25

crimeas [40]

Answer:

(-5,0) or (0,-25) is another solution

Step-by-step explanation:

Do you have a list of choices? If not, you could choose random choices for x and y to determine if they are solutions. Start by letting y = 0. We see that x = -5, so (-5, 0) is a solution to this equation. In fact, it represents the x-intercept of this line. Now, let x = 0. We now see that y = -25, so (0, -25) is another solution to the equation of this line. This coordinate pair is the y-intercept of the line. Try using other values of x and y to see if you can come up with other solutions to this equation.

7 0

3 years ago

Read 2 more answers