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Basile [38]
3 years ago
13

A ball is thrown into the air with an upward velocity of 32 ft/s. Its height h in feet after t seconds is given by the function

mc015-1.jpg. In how many seconds does the ball reach its maximum height? Round to the nearest hundredth if necessary. What is the ball’s maximum height? 2 s; 22 ft 1 s; 22 ft 2 s; 6 ft 1 s; 54 ft
Mathematics
1 answer:
Keith_Richards [23]3 years ago
6 0
<span>2 s; 22 ft 1 s; 22 ft 2 s; 6 ft 1 s; 54 ft i et itdont g</span>
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Ray Of Light [21]
The cattle train
speed - 36.5 km/h
time - x h

the passenger train
speed - 29.2 km/h
time - (2.4+x) h

The cattle train caught up to the passenger train so the distance they travelled is the same.
Distance is speed times time.

36.5 \times x=29.2 \times (2.4+x) \\&#10;36.5x=70.08+29.2x \\&#10;36.5x-29.2x=70.08 \\&#10;7.3x=70.08 \\&#10;x=\frac{70.08}{7.3} \\&#10;x=9.6 \\ \\ 2.4+x=2.4+9.6=12

The passenger train travelled for 12 hours before the cattle train caught up.
7 0
3 years ago
Read 2 more answers
Write the equation of the line in fully simplified slope-intercept form.
kaheart [24]
ANSWER: y=4/3x-7

Reasoning: slope is 4/3 (change in y over change in x)
The y intercept is a -7
Then you just fill in the equation
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3 years ago
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prohojiy [21]
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3 years ago
Which of the numbers below are whole numbers? Check all that apply.
yarga [219]

Answer:

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7 0
3 years ago
Multiply Conjugates Using the Product of Conjugates Pattern
poizon [28]

Answer:

The product is the difference of squares is $$\left(m-7\right)\left(m+7\right)={{m}^2}-49$$

Step-by-step explanation:

Explanation

  • The given expression is (m-7)(m+7).
  • We have to multiply the given expression.
  • Square the first term m. Square the last term 7 .

$$\begin{aligned}&(m-7)(m+7)=(m)^{2}-(7)^{2} \\&(m-7)(m+7)=m^{2}-49\end{aligned}$$

8 0
2 years ago
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