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4 years ago

What are the coordinates of the vertex of the function f(x)=x2+10x−3?

Mathematics

2 answers:

Rufina [12.5K]4 years ago

7 0

Download photomath should help better just take a picture and it solves for you!

Anna [14]4 years ago

4 0

Answer:

In short, the answer is (-5, -28)

Step-by-step explanation:

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Look at the picture and plzzz help

Bogdan [553]

The answer is the last choice

7 0

3 years ago

Read 2 more answers

Suppose you spent $38.25 for 3 shirts that each cost the same amount. If the cost of the shirts varies directly with the number

Inessa [10]

$38.25 divided by 3 = $12.75
I think the answer is 12.75 because each shirt cost the same.

4 0

3 years ago

Find the sum of the convergent series. 9 + 0.9 + 0.09 + 0.009 + . .

Papessa [141]

Try this solution:

1. Note, that 9*0.1=0.9; 0.9*0.1=0.09; 0.09*0.1=0.009, etc.

It means, the gives series is geometric sequence, where a₁=9, q=0.1.

2. Using a₁=9 and q=0,1 it is possible to calculate the sum of this sequence:

$S=\frac{a_1}{1-q}; \ S=\frac{9}{1-0.1}=\frac{9}{0.9}=10.$

answer: 10

8 0

4 years ago

A wheel with radius 1 foot makes 1 revolution in 4 seconds. What is the linear velocity, in feet per second, of a point on the e

Alona [7]

In one revolution of the wheel, a point on the edge travels a distance equal to the circumference of the wheel.

The wheel has radius 1 ft, so its circumference is 2π (1 ft) = 2π ft.

Then the point has a linear speed of

(1/4 rev/s) * (2π ft/rev) = 2π/4 ft/s = π/2 ft/s

5 0

3 years ago

The weights of steers in a herd are distributed normally. The standard deviation is 300lbs and the mean steer weight is 1100lbs.

topjm [15]

Answer: 0.7257

Step-by-step explanation:

Given : The weights of steers in a herd are distributed normally.

$\mu= 1100\text{ lbs }$

Standard deviation : $\sigma=300 \text{ lbs }$

Let x be the weight of the randomly selected steer .

Z-score : $\dfrac{x-\mu}{\sigma}$

$z=\dfrac{920-1100}{300}=-0.6$

The the probability that the weight of a randomly selected steer is greater than 920 lbs using standardized normal distribution table :

$P(x>920)=P(z>-0.6)=1-P(z$

Hence, the probability that the weight of a randomly selected steer is greater than 920lbs =0.7257

6 0

3 years ago