PLEASE HELP IF YOU ARE GOOD AT MATH AND HAVE A HEART!!! I NEED TO FIND THE EQUATION FOR THIS GRAPH

Answer:

Step-by-step explanation:

d is the answeru got it right

Answer:

c

Step-by-step explanation:

Given:

The point (7, 4) lies on a circle centered at the origin.

To find:

The equation of the circle and the radius of the circle.

Solution:

Distance formula:

[tex]d=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}[/tex]

The point (7, 4) lies on a circle centered at the origin. So, the distance between the points (7,4) and (0,0) is equal to the radius of the circle.

[tex]r=\sqrt{(0-7)^2+(0-4)^2}[/tex]

[tex]r=\sqrt{(-7)^2+(-4)^2}[/tex]

[tex]r=\sqrt{49+16}[/tex]

[tex]r=\sqrt{65}[/tex]

The standard form of the circle is

[tex](x-h)^2+(y-k)^2=r^2[/tex]            ...(i)

Where, (h,k) is the center of the circle and r is the radius of the circle.

Putting h=0, k=0 and [tex]r=\sqrt{65}[/tex] in (ii), we get

[tex](x-0)^2+(y-0)^2=(\sqrt{65})^2[/tex]

[tex]x^2+y^2=65[/tex]

Therefore, the equation of the circle is [tex]x^2+y^2=65[/tex] and its radius is [tex]r=\sqrt{65}[/tex].

Answer:

B. 53.8%

Step-by-step explanation:

Hope this help's. ヾ(≧▽≦*)o

Answer:

306.25-156.25/70-50 =150/20=7.5 ft/mph

Step-by-step explanation:

For every 1 mph over 50 mph a car is traveling, its braking distance increases by 7.5 ft

The required braking distance between the one that can travel at 50 mph and one traveling at 70 mph is 7.5 ft/mph.

Rate of change is defined as the change in value with rest to the time is called rate of change.

Here,
Distance traveled when applying brake when speed is 70 mph is 306.25,
Distance traveled when applying brake when speed is 50 mph is 156.25 ft

The rate of change of braking is given as,

= 306.25-156.25/70-50
= 150/20
=7.5 ft/mph

Thus, the required braking distance between the one that can travel at 50 mph and one traveling at 70 mph is 7.5 ft/mph.

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Answer:

Volume of cube = 216cm^3

Volume of box =  168cm^3

Step-by-step explanation:

Cube:

6 x 6 = 36

36 x 6 = 216

Box:

7 x 6 = 42

42 x 4 = 168

Answer:

216 cm^3, 168 cm^3

Step-by-step explanation:

Cube

Volume of a cube is the side * side * side.

Side = 6 || 6 * 6 * 6 = 216 cm^3

Rectangular Box

Volume of box is product of height, depth, and width.

Sizes are, 7, 6, 4 || 7 * 6 * 4 = 168 cm^3

Answer:

(3, infinity)

Step-by-step explanation:

range is talking about the y axis and every number the graph touches on the y axis. the first number is the minimum number and the second number is the max number. this graph's lowest point is 3, so the answer is (3, something). the max is never/infinity and that's how you get (3, infinity).

The answer is just -infinite

Answer:

$90 discount, 30% as a percentage.

Step-by-step explanation:

The discount itself amounts to the difference in price:

[tex]\$300-\$210=\$90[/tex]

we calculate the percentage discount based on the original price, so that will be:

[tex]\frac{\$90}{\$300} = \frac{3}{10} = 0.3 = 30\%[/tex]

Total discount and discount percentage are 90 and 30%.

Given that;

Normal cots price of headphones = $300

Tricia bought in sale = $210

Find:

Total discount and discount percentage

Computation:

Total discount = Normal cots price of headphones - Tricia bought in sale

Total discount = $300 - $210

Total discount = $90

Discount percentage = Total discount[100 / Normal cots price of headphones]

Discount percentage = 90[100 / 300]

Discount percentage = 30%

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Answer:3.5

Step-by-step explanation:3+1/2= 3+ .50 which is equal in 1/2 so 3+ 1/2= 3.5

Step-by-step explanation:

By taking LCM of 1,2 we will get 2

So,

6/2+1/2=7/2=3.5 Answer

hope it helps

Answer:

Step-by-step explanation:

2x - 5y = -11

ordered pair:  (-5, -1)

x = -5 y = -1

plug into the equation.

2(-5) - 5(-1) = -11

a negative x a positive = a negative

2 x -5 = -10

a negative x a negative = a positive

-5 x -1 = 5

-10 + 5 = -11

5 ≠ 11

therefore its NOT solution.

Answer:

See answers below.

Step-by-step explanation:

Large Rectangle:  length x width = (x + 3)(x - 4) =

                                        x² - 4x + 3x - 12

                                           x² - x - 12

Smaller Rectangle:  length x width = (x)(3) = 3x

Shaded Region: shaded area =  lg. rectangle minus small rectangle

                             A = (x² - x - 12) - 3x  

                             A = x² - 4x - 12

Solve for x, if shaded reion's area is 48 square units:      

                          48 = x² - 4x - 12

                                  x² - 4x - 12 -48 = 0

                                  x² - 4x - 60 = 0

                                  (x - 10)(x + 6) = 0

                                   x - 10 = 0   or   x + 6 = 0

                                   x = 10    or    x = -6

                                               But x represents a length, so x cannot be -6.

                                  x = 10

Answer:

x = 58

Step-by-step explanation:

tan (x) = 16/10  

Answer:

Flag = 46

Shamrock = 46

Hat = 27

Accordion = 198

Step-by-step explanation:

To keep things simple, I'll denote the flag with f, the shamrock with s, the hat with h and the accordion with a.

The second equation tells us that f/s is 1. When you divide something by something and get 1, that means they're equal (eg, 2÷2=1, 3÷3=1 etc). That means f=s.

The second equation tells us f+s+s=138, but since f=s, this basically means 3f=138. Dividing both sides by three, we find out f=46 and by extension, s=46.

The third equation tells us s+h+h=100. We know s so we can write this as 46+2h=100. Take 46 form both sides to get 2h=54. Divide both sides by 2, we find out h=27.

The fourth equation tells us a=4f+14. Sub in our value for f and this is a=(4x46)+14. Solve this to get a=184+14, a=198.

Answer:

s= 60

-------------

Hope this helps

Answer:

250

Step-by-step explanation:

mulitply 28.95 by 4 to get that out of the way, this equals 115.

subtract: 200-115=85

divide: 85/.34

answer:250

Answer:

248 miles

Step-by-step explanation:

$28.95 × 4 = $115.80

$209-$115.80 = $84.20

$84.20 / $.34 = 247. 6

Round up, 248

Answer:

$ 24.15

Step-by-step explanation:

100%= $21

(100+15)% =115% ×$21

(115/100)*21= 24.15$

Answer:

67 degrees

Step-by-step explanation:

Its the same measurement as PMN

Hope it helps :3

Answer:

Step-by-step explanation:

D

Answer:

3 & 4

Explanation

Answer:

3 and 4

Step-by-step explanation:

sq rt of 15 is 3.87298334621 so the integers around are 3 and 4.

Answer:

1.5 % is same as 1.50

explanation:

because 1.5 means that the equipment used to measure the number could not measure .It's equal, 1.50 is the same thing just with an added zero.

Answer:

256 ft

Step-by-step explanation:

51+51= 102

77+77= 154

154+102=256

Answer:

P=2(l+w)=2·(51+77)=256ft

Step-by-step explanation:

The answer will be 256ft

Answer:

D

Step-by-step explanation:

D

Answer:

answer is B tho i jus know

Step-by-step explanation:

The piecewise function can be defined as, f(x) = x+3, if x<0 and f(x) =3, if  x≥0, Option B is correct.

A relation is a function if it has only One y-value for each x-value.

From the given figure it is easily noticed that the function is increasing in nature for x<0 and the function is constant in nature for x>0 because the value of y remains unchanged for any value of x, where x≥0

The value of function is 3 at x=0.

The value of the function is always 3 for all x≥0 .

f(x)=3 for x≥0

The function is a straight line with intercepts (-3,0) and (0,3).

slope = 3-0/0+3

=1

Let us find the y intercept

0=1(-3)+b

b=3

Now equation is y=x+3

For x<0, the function is,

f(x)=x+3

Therefore the piecewise function can be defined as, f(x) = x+3, if x<0 and f(x) =3, if  x≥0.

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Answer:

x=127

Step-by-step explanation:

Given function:

Subtract 132 by 5:

Divide 127 by 1:

Therefore, x=127..

Answer: X = 65

Step-by-step explanation:

Brainliest tell if i'm right or wrong

Answer:

0.4

Step-by-step explanation:

Answer:

45.1

Step-by-step explanation:

Answer:

-4

Step-by-step explanation:

Answer:

3h² - 11h - 42 = (3x+7)(x−6)

Step-by-step explanation:

We need to find factors of 3h² - 11h - 42. It is a quadratic equation.

We search two numbers such that their product is 42 and sum is 11. So,

3h² - 11h - 42 = 3h² -18x +7x -42

= (3x+7)(x−6)

So, the required factors are (3x+7)(x−6).