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Dmitry_Shevchenko [17]
3 years ago
7

What is 14.9 round to?

Mathematics
2 answers:
evablogger [386]3 years ago
8 0
The answer is that is  rounded to 15

hope this helps you!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Wittaler [7]3 years ago
3 0
14.9 is rounded to 15 or if you are going by tens then it is 20
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A student has learned that test scores in math are determined by this quadratic function: s(t) = -(t-6)^2 + 99
ser-zykov [4K]

Answer:

a. 6,  b. 99, c. 63

Step-by-step explanation:

A)  The function s(t) is in the vertex form. The standard vertex form is a(x-h)+k where the vertex is (h,k). The vertex is the highest (or lowest in some cases) point of the graph, so if we use s(t) to get the vertex we get that h=6 and k=99. This means that for a student to get a perfect score they need to study 6 hours

B) We can just take the k value from the first question because that's the highest value for s(t), so the highest score will be 99

C) For this one just plug in 0 for time, so -(0-6)^2+99. This equals -(-6)^2+99, which equals 99-36 =63

4 0
3 years ago
What are the coordinates of the vertices of the polygon in the graph that are in quadrant I?
MissTica

Yo sup??

The coordinates of vertices in 1st quadrant are

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8 0
3 years ago
Distance between (-3, 4/11) and (3, 4/11)
ELEN [110]

Answer:

6

Step-by-step explanation:

3 0
3 years ago
I need answer please​
weqwewe [10]

Answer:

y = -3/2x + 6

Step-by-step explanation:

Parallel lines have the same slope so slope is -3/2

Using (4,0)

y = mx + b

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0 = -6 + b

b = 6

so y = -3/2x + 6

4 0
2 years ago
A human body had 30 times as many platelets as white blood cells. A small sample of blood has 8×10'3 white blood cells. About ho
Contact [7]
To determine the number of platelets present in the human body, we need a relation that would relate this value to the given value above which is the number of white blood cells. Fortunately, we are given a ratio of 30. So, we use this value as follows:

number of platelets/number of white blood cells = 30
number of platelets / <span>8×10^3 white blood cells = 30
number of platelets = 240000</span>
5 0
3 years ago
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