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Levart [38]
3 years ago
13

A construction company is considering submitting bids for two contracts. The company estimates that it has a

Mathematics
1 answer:
Paraphin [41]3 years ago
7 0

Answer: 0.57

Step-by-step explanation:

khan academy

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Help on math please.
Elenna [48]

Answer:  When t = 4.25    R(t) = D(t)

This tells you that at 4.25 seconds into their flights, both the Rocket and the Drone were at a height of 20 feet.

Step-by-step explanation: The point where the two graphed lines cross is where the values are equal.

The Drone has been hovering at 20 feet between 2 and 5 seconds. The Rocket passed through that height for a brief (millisecond) time as it was falling back to the ground.

Without grid lines it is my best estimation (using a ruler to create a verticla line from the intersection of the lines to the time scale) that t = 4.25. It is between 4 and 4.5 seconds.

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3 years ago
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Gekata [30.6K]

what tools are yiu sing

7 0
3 years ago
A clown is juggling at a circus. The path of the ball is given by the parametric equations x=2 cos t+2 and y=3 sin t+3. In what
Masja [62]
We need to find the direction the ball is moving, so wee have this parametric equation, namely:

\left \{ {{x=2cost+2} \atop {y=3sint+3}} \right.

The graph of this equation is given in figure below. So, we well substitute some values of t in the equation:

If t = 0
x = 4 and y = 3
P0(4, 3)

if t = 1
x = 3.08 and y = 5.52
P1(3.08, 5.52)

if t = 2
x = 1.16 and y = 5.72
P2(1.16, 5.72)

So, as shown in the figure, the answer is B. <span>counterclockwise </span>

3 0
4 years ago
8.07<br> Rational or irrational
solniwko [45]

Answer:

Rational

Step-by-step explanation:

8 0
4 years ago
Read 2 more answers
A salad dressing is 25% vinegar.Sue wants to make 2 cups of dressing.How much vinegar does she need?
Alexandra [31]
Write and solve an equation of ratios:

vinegar        0.25           x
------------ = --------- = -----------
dressing       1.00       2 cups

Cross multiply.  We get 0.5=x.  Sue needs to use 1/2 cup of vinegar and 1 1/2 cups of the other ingredient(s).
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