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2 years ago

Look at picture, answer CORRECT, and get brainliest

Mathematics

2 answers:

Ksju [112]2 years ago

6 0

Answer: I think it's the one to the left at the bottom, I am sorry if I am wrong- because if you did 3 x 1,000 you'd get 3,000 so you'd move the 3 4 spots over putting it in the front like, 3,000 0,300 0,030 0,003 3,000.

Step-by-step explanation:

miss Akunina [59]2 years ago

5 0

Answer:

The first one is correct.

Step-by-step explanation:

I know a thing or two about a thing or two about powers of 10.

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A business analyst makes $20 an hour for the first 42 hours he works during a week and $28 an hour for each hour worked over 42

Natasha_Volkova [10]

The piecewise function for this should be $f(x) \left \{ {{y = 20x, x < 42} \atop {y = 28x + 840, x > 42}} \right.$ .

We can find the first equation simply. He gets 20 every hour up to 42 hours. Therefore, the function gives us our first equation of y = 20x when x < 42.

The second one, we must know what the base amount he would make before starting to make 28 an hour. The 28 an hour would be 28x, but he would have already made 840 before hand. Which we can determine by multiplying the base of 42 hrs by 20.

42 * 20 = 840.

3 0

2 years ago

Read 2 more answers

..........................

goldfiish [28.3K]

Answer:

$\boxed{-10000}$

Step-by-step explanation:

$F(x)=\frac{1}{x}$

Let x = -10000

$F(-10000)=\frac{1}{-10000}$

$F(-10000)= -0.0001$

-0.0001 is closest to 0 when x value is -10000.

No other value can work from the other options, options B and C increase the value from 0. Option D would make the function undefined.

6 0

2 years ago

A circle has a diameter with endpoints at (6, 5) and (8, 5). Write the equation for the circle.

mario62 [17]

Answer:

$(x-7)^2+(y-5)^2=1$

Step-by-step explanation:

The two things that are required to formulate the equation of the circle is the center coordinate and the radius of the circle!

Center of the circle:

The center of the circle always lies at the midpoint of the endpoints of its diameter: Let's call the endpoints A(6,5) and B(8,5).

Using the midpoint formula we'll get:

$(x_m, y_m) = \left(\dfrac{x_1+x_2}{2},\dfrac{y_1+y_2}{2}\right)$

$(x_m, y_m) = \left(\dfrac{6+8}{2},\dfrac{5+5}{2}\right)$

$(x_m, y_m) = (7,5)$

This is the center coordinate of our circle.

Radius:

The radius of the circle is the distance from the center of the circle to any of the endpoints of the diameter (A or B)

We can use the distance formula:

$r = \sqrt{(x_1-x_2)^2+(y_1-y_2)^2}$

$r = \sqrt{(x_1-x_m)^2+(y_1-y_m)^2}$

$r = \sqrt{(6-7)^2+(5-5)^2}$

$r = \sqrt{1^2}$

$r = 1$

Equation of the circle:

The equation is written as:

$(x-a)^2+(y-b)^2=r^2$

here, (a,b) are the center points of the circle

in our case this is $(a,b)=(x_m,y_m)=(7,5)$

and r = 1

$(x-7)^2+(y-5)^2=1^2$

$(x-7)^2+(y-5)^2=1$

This is the equation of the circle!

3 0

2 years ago

HELP WILL MARK BRAINLIEST 20 POINTS!!

Vinil7 [7]

8/8 I’m pretty that what is it

8 0

3 years ago

The table shows revenue R (in millions of dollars) of a company when it spends A (in millions of dollars) in advertising.

Orlov [11]

Advertising is x and revenue is y

(0,2)(2,6)
slope = (6 - 2) / (2 - 0) = 4/2 = 2

y = mx + b
slope(m) = 2
(0,2)...x = 0 and y = 2
now we sub and find b, the y int
2 = 2(0) + b
2 = b

so ur equation is : y = 2x + 2

spends 10 mill on advertising.....so x = 10
y = 2x + 2
y = 2(10) + 2
y = 20 + 2
y = 22.....so the revenue (y) of the company is 22 (million)

7 0

2 years ago