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Yakvenalex [24]
3 years ago
7

A toy cannon ball is launch from a cannon on top of a platform the equation h(t)= -5t + 14t + 2 gives the height h, in meter, of

the ball t seconds after it is launched.
A) determine if the ball reaches a height of 14 meters. explain your answer.

B) how long is the ball in the air?
Mathematics
2 answers:
LuckyWell [14K]3 years ago
4 0

Answer:

<h2>how long air in the earth ok good</h2>
boyakko [2]3 years ago
3 0

Answer:

A) No, because it only reaches 11.8 meters B) 2.9362 seconds :)

Step-by-step explanation:

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Write as a decimal fraction of a cm (a) 5 mm (b) 8mm
lys-0071 [83]
1 mm = 0.1 cm

(a) 5 mm

5 × 0.1 = 0.5 

Fraction :- 5/0.5
5 ÷ 0.5 =10
Decimal:- 10

(b) 8 mm

8 × 0.1 = 0.8

Fraction:- 8/0.8
8 ÷ 0.8 = 10
Decimal:- 10
8 0
3 years ago
Read 2 more answers
A cashier has 26 bills consisting of three times as many ones as fives, one less ten than fives, and the rest twenties. If the v
monitta
Let number of  fives = x then number of ones = 3x  and number of tens = x - 1

so we can create the equation 

x + 3x +  x-1 + y = 26  where y = number of twenties
so
5x + y = 27

also we have the equation 

5x + 3x + 10(x - 1) + 20y = 120

18x + 20y = 130..................................(1)
5x    + y    = 27     multiply  by -20:-
-100x - 20y = -540..............................(2)
Adding equation (1) and (2)
-82x = -410
x  = 5,  that is  5 fives

Now plug x = 5 into equation 1:-
18(5) + 20y = 130
20y =  40
y =  2 ,   that is 2 twenties

So the answer is   there are (3x) = 15 ones , 5  fives, 4 tens and 2 twenties
7 0
3 years ago
The tutor i had before explained it all but the answer wasn’t loading. that’s all!
VARVARA [1.3K]

Explanation:

The expression f(0) represents the value of the function at x=0 which means the y-intercept of the function.

the y-intercept of the graph is the point that crosses the y-axis.

From the given graph,

The y-intercept of the graph does not define.

Answer: f(0) = not defined

5 0
1 year ago
A media company wants to track the results of his new marketing plan so the video production manager recorded the number of use
konstantin123 [22]

Answer:

f(x)=5120(5)^{x}

Step-by-step explanation:

From the image, f(x) and x are rlated by

f(x)=a( {b})^{x}

where b is the common ratio

We first find the value for b

\frac{6400}{5120}= 5

\frac{8000}{6400}= 5

\frac{10000}{8000} = 5

\frac{12500}{10000} = 5

\frac{15625}{12500}=5

so we can say the common ratio, b=5

we put in any value of f(x) and the corresponding value for x to find a value

Let put x=0 and f(x)=5120

This implies that

5120 = a(5)^{0}

but

5^{0} = 1

Hence a=5120

Thus the equation which model the relationship between the weeks and the viewers is

f(x)=5120(5)^{x}

6 0
3 years ago
Which function has a vertex at (2, 6)?
vlabodo [156]

The function f(x) = 2|x – 2| + 6 has a vertex at (2, 6) option second is correct.

<h3>What is a function?</h3>

It is defined as a special type of relationship, and they have a predefined domain and range according to the function every value in the domain is related to exactly one value in the range.

We have a function that has vertex at (2, 6)

The options are:

f(x) = 2|x – 2| – 6

f(x) = 2|x – 2| + 6

f(x) = 2|x + 2| + 6

f(x) = 2|x + 2| – 6

As we know the vertex form of a quadratic function is given by:

f(x) = a(x - h)² + k

Similarly, mod function  can be expressed as:

m(x) = a|x - h| + k

Here (h, k) is the vertex of a function.

In the function:

f(x) = 2|x – 2| + 6

The vertex of the function is (2, 6)

Thus, the function f(x) = 2|x – 2| + 6 has a vertex at (2, 6) option second is correct.

Learn more about the function here:

brainly.com/question/5245372

#SPJ1

4 0
2 years ago
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