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4 years ago

What is the area of the triangle

Mathematics

2 answers:

scoundrel [369]4 years ago

7 0

Answer:

8.42ft square

Step-by-step explanation:

Base × height/2

base=4.8ft

height =3.6ft

4.8 × 3.6= 17.28

17.28/2=8.64ft

serg [7]4 years ago

5 0

Answer:

The first choice, 8.64 sq. ft.

Step-by-step explanation:

Formula for area of triangle:

(Length x Height) / 2

4.8 * 3.6 = 17.28

17.28 / 2 = 8.64

A = 8.64 sq. ft. so, the first choice

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An athlete training for the Olympics women's each lap for a 4 lap race in the following times: 54.73, 54.56, and 54.54 seconds.

natita [175]

Answer:

The total time it takes her to swim the four laps is 3.65 minutes.

Step-by-step explanation:

Here, according to the given data:

The time taken to complete 1st lap = 54.73 seconds

The time taken to complete 2nd lap = 54.56 seconds

The time taken to complete 3rd lap = 54.32 seconds

The time taken to complete 4th lap = 54.54 seconds

Now, the TOTAL TIME taken to swim all 4 laps = SUM OF ALL 4 TIMES

= (54.73 + 54.56 + 54.32 + 54.54) seconds

= 219.35 Seconds

Now, 60 seconds = 1 minute

⇒ 1 seconds = 1/60 minute

⇒219.35 seconds = 219.27 x (1/60) minutes = 3.6558 minutes

Hence, the total time it takes her to swim the four laps is 3.65 minutes.

4 0

4 years ago

Jane biked 34 miles in 2 hours. At this rate, how far could she bike in 5 hours?

Assoli18 [71]

85 because 34 divided by 2 is 17 which means hes going 17 an hour. 17 times 5 is 85.

3 0

4 years ago

Read 2 more answers

given the weekly demand curve of a local wine producer is p= 50-0.1q, and that the total cost function is c= 1500+ 10q, where q

ipn [44]

Answer:

a)the weekly profit as a function of price is $P=-10 p^2 + 600 p - 6500$

b) a bottle of wine be sold at $30 to realise maximum profit

c) the maximum profit that can be made by the producer is $2500

Step-by-step explanation:

The weekly demand curve of a local wine producer is p= 50-0.1q

p = price

q = quantity

Revenue function R =Price \times Quantity

R=(50-0.1q)q

$R=50q-0.1q^2$

Cost function: c= 1500+ 10q

Profit function=R(x)-C(x)

Profit function= $50q-0.1q^2-1500-10q$

Profit function= $40q-0.1q^2-1500$ ----1

We have q = 500 - 10 p using p = 50 − 0.1q

$P=-0.1 (500 - 10 p)^2 + 40 (500 - 10 p)- 1500\\P= -10 p^2 + 600 p - 6500$

General quadratic equation: $ax^2+bx+c=0$

On comparing

a = -0.1 , b = 40 , c = -1500

Maximum Profit is at q = $\frac{-b}{2a}=\frac{-40}{2(-0.1)}=200$

To find price must a bottle of wine be sold to realise maximum profit

p= 50-0.1q

p= 50-0.1(200)=30

Substitute the value of q in profit function(1) get the maximum profit

So, Profit function= $40\left(200\right)-0.1\left(200\right)^{2}-1500=2500$

Hence

a)the weekly profit as a function of price is $P=-10 p^2 + 600 p - 6500$

b) a bottle of wine be sold at $30 to realise maximum profit

c) the maximum profit that can be made by the producer is $2500

8 0

3 years ago

Hello<br> perimeter of a semi- circle with a radius of 6cm.

Fed [463]

Step-by-step explanation:

perimeter of a semi- circle with a radius of 6cm

=2πr=2×π×6=12π cm

7 0

3 years ago

Read 2 more answers

PLEASE HELP THESE ARE MY ONLY POINT ;-; PLEASE

Zolol [24]

Answer:

a) max 12000 , min 0

b) no solution

c) pricing based on profit

Step-by-step explanation:

a) look at the parabola

b) there is more than one x (0)

c) the y intercepts represent his profit based on how much he priced the items at

3 0

3 years ago