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choli [55]
3 years ago
11

Please Help Me with this one too

Mathematics
1 answer:
Angelina_Jolie [31]3 years ago
8 0

Answer:

The second one

Step-by-step explanation:

0.5 times 5 is 2.5

2.5 plus 14 is 16.5

0.5 times 10 is 5

5 plus 14 is 19

And so on

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A diver dives from a 10m springboard. the equation f(t) = -4.9t² + 4t + 10 models her height above the pool at time t. When will
Gennadij [26K]

Answer:

At time t = 0.408 sec diver will be at maximum height

Step-by-step explanation:

We have given equation of the height f(t)=-4.9t^2+4t+9

We know that velocity is the rate of change of distance with respect to time

So v=\frac{df(t)}{dt}=\frac{df(-4.9t^2+4t+10)}{dt}=-9.8t+4+0=-9.8t+4

At maximum height velocity will be zero

So -9.8t+4=0

t = 0.408 sec

So at time t = 0.408 sec diver will be at maximum height

5 0
3 years ago
If Santiago wanted to turn his $279.89 into as many nickels as possible, how many would he<br>have?​
Elina [12.6K]

Answer:

5,597 nickels and 4 pennies

Step-by-step explanation:

First, we can take away 4 cents since we know 4 isn't divisible by 5.

Our new number would be 279.80

Then, we divide 279.80 by 0.05 since 0.05 is what a nickel equals>

279.85/0.05 = 5597

Therefore, he would have 5,597 nickels and 4 pennies.

6 0
3 years ago
What’s the sum of interior angles of a 45-gon?
Mashutka [201]

Answer:

Step-by-step explanation:

As each exterior angle is 45o , number of angles or sides of the polygon is 360o45o=8 . Further as each exterior angle is 45o , each interior angle is 180o−45o=135o .

7 0
3 years ago
Which of the following values will result in f(x)=10? F(x)=1/2x+8
QveST [7]
The answer is D because when you put the missing value which is x you replace it to 10 and then you solve it I hope this helps
5 0
3 years ago
Divide and write your answer in simplest form.<br> 4 ÷ 1/2
MAVERICK [17]

Answer:

the answer will be 8

Step-by-step explanation:

pls give me brainliest

8 0
2 years ago
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