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Step2247 [10]
3 years ago
13

A ball is thrown from an initial height of 2 feet with an initial upward velocity of 30 ft/s. The ball's height h (in feet) afte

r t seconds is given by the following.
h=2+30t-16t^2
Find all values of t for which the ball's height is 15 feet.
Round your answer(s) to the nearest hundredth.
(If there is more than one answer, use the "or" button.)
Mathematics
1 answer:
ZanzabumX [31]3 years ago
7 0

Answer:

does it have multiple choices

Step-by-step explanation:

because I had done the question with multiple words

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Given: CB bisects
marin [14]

Answer:

Answer to fourth part is :

Angle ABC= Angle DBC

So for fifth part reason answer is ASA congruency.

Step-by-step explanation:

Here we are given that CB bisects angle ABD and angle ACD.

So we have ,

Angle ABC= Angle DBC

Answer to fourth part is :

Angle ABC= Angle DBC

Now here we have two angles and one side equal in two triangles.

So we can say that ASA congruency fits in the best here.

So for fifth part reason answer is ASA congruency.

4 0
3 years ago
Relative risk is an ideal form of measurement for a retrospective cohort study design because it allows researchers to recruit b
kolezko [41]

This indicates that the individuals taking vitamin C were 53% less likely to catch a cold and that taking vitamin C has a protective effect, making them less likely to catch a cold.

This is further explained below.

<h3>What is vitamin C?</h3>

Generally, Vitamin C, which is also known as ascorbic acid, is an essential nutrient for the expansion, maturation, and maintenance of all of the body's tissues. It plays an important role in the synthesis of collagen, the absorption of iron, the appropriate functioning of the immune system, the healing of wounds, and the preservation of cartilage, bones, and teeth.

In conclusion, This suggests that those persons who took vitamin C were 53% less likely to develop a cold and that taking vitamin C has a protective impact, making them less likely to catch a cold.

Additionally, this implies that taking vitamin C makes one less likely to catch a cold.

Read more about vitamin C

brainly.com/question/15080220

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CQ

Researchers have conducted a study and determined that the relative risk for developing a cold for individuals taking vitamin C is 0.47 when compared to the number of participants in the study who developed a cold while not taking vitamin C. This is an indication of which of the following?

6 0
1 year ago
Someone help me with this please
dangina [55]

Answer:

4 number

Step-by-step explanation:

16p+32q=1,280

3 0
2 years ago
14 + w is the same as which expression?
Vanyuwa [196]

Answer:

w+14,

Step-by-step explanation:

6 0
2 years ago
ben went to the hardware store and bought 15 pieces of rope of equal length.The total length of the ropes was 326.7 meters.How l
OLEGan [10]

Answer:

21.78 meters

Step-by-step explanation:

Divide 326.7/15

7 0
3 years ago
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