Divya has 70 rocks. She donates half of the rocks to a science center. Then she collects 3 rocks on each of her nature hikes. Write an expression to represent the number of rocks Divya has after she collects rocks on n nature hikes

Answer:

A

Step-by-step explanation:

Area of a base: 16 × 15 ÷ 2 = 120

Area of sides:

37 × 15 = 555

37 × 16 = 592

37 × 20 = 740

Area of prism: 2 × 120 + 555 + 592 + 740 = 2127

Answer:

lol

Step-by-step explanation:

hehhehehehhhheeeeehhhee u cant stop me

Answer:

The sum of a rational number and an irrational number is irrational number.

Answer:

It should be 2.

Step-by-step explanation:

The slope for this graph is 1/2 or 1 horizontal for every 2 verticals.

Answer:

It’s 2 I’ve done this before

Step-by-step explanation:

Answer: Day 14

Step-by-step explanation: 2^14 = 16384 cents, which equals $163.84

Answer:

y = 30 - 2x

Step-by-step explanation:

She must complete 30 hours, so we start at 30 hours.

Each day, she has 2 less to do after she does her service hours.

So if x = # of days, then that is -2x

Put that together,

y = 30 - 2x

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Answer:

The answer is A.

Step-by-step explanation:

Answer: about 2 minutes and 47 seconds

Step-by-step explanation:

Answer:

x = 1

y = 6

Step-by-step explanation:

y = 6x   --------------(I)

7x - 8y = -41   ------------(II)

Substitute y =6x in equation (II)

7x - 8*(6x) = -41

7x - 48x    = -41   {Combine like terms}

     -41x = -41

          x = -41/-41

x = 1

Plug in x = 1 in equation (I)

y = 6*1

y = 6

Answer:

y int is (0,5)

slope is m=-2

y=-2x+5

Step-by-step explanation:

The line has a slope of -2 and a y-intercept of y=4. (y=-2x+4)

Explanation: You can tell by where the line is landing on the x and y intercepts and it's as easy as counting lines. As far as the y-intercept goes, you can tell that by looking where the line crosses the y axis. And in this case it's (0,4) making your y-intercept, y=4.

Answer:

8,48

3,87

7,34

11,66

15,81

2,25

9,21

6,16

10,04

26,45

43,57

12,84

4,69

5,56

7,68

9,32

3,60

10,33

10,14

Answer:

The equation of a circle is:

(x−x0)2+(y−y0)2=R2  

where  x0  and  y0  are the center of the circle  (x0,y0)  and  R  is the radius of the circle.

Step-by-step explanation:

Step-by-step explanation:

The equation of the circle is (x + 10)² + (y + 6)² = 81.

Answer:

c

Step-by-step explanation:

what is the question? you just said how much they charge.

Answer:

I think it is Yes, SAS

Step-by-step explanation:

Answer:

15.25 or 15 if you need it to be rounded.

Step-by-step explanation:

-11 on both sides to get 5x=1x+61. Then, -1x on both sides to get 4x=61. Then to find x you do 61 divided by 4 which is 15.25.

Answer:

MO = 8 units

MP = 4 units

Step-by-step explanation:

[tex] In\: \triangle MOP, \\

\angle P = 90\degree ... (given) \\

\angle M = 60\degree ... (given) \\

\therefore \angle O = 30\degree(3^{rd} \: \angle \: of\: \triangle) \\

Let \huge\purple {MO = x \: units}... (1)\\

\therefore MP = \frac{1}{2} \times MO\\(side\: opposite \: to\: 30\degree) \\\\

\therefore MP = \frac{1}{2} \times x\\\\

\huge\red {\therefore MP = \frac{1}{2} x}.... (2)\\\\

\therefore PO = \frac{\sqrt 3}{2} \times MO\\(side\: opposite \: to\: 60\degree) \\\\

\therefore PO = \frac{\sqrt 3}{2} \times x\\\\

\huge\orange{\therefore PO = \frac{\sqrt 3}{2}x} \\\\

\because MP + PO + MO = P(\triangle MOP) \\\\

\therefore \frac{1}{2} x+\frac{\sqrt 3}{2}x+ x = 12+4\sqrt 3\\\\

\therefore \frac{1}{2} x+x+\frac{\sqrt 3}{2}x= 4(3+\sqrt 3)\\\\

\therefore \frac{3}{2} x+\frac{\sqrt 3}{2}x= 4(3+\sqrt 3)\\\\

\therefore \frac{(3+\sqrt 3)}{2} x= 4(3+\sqrt 3)\\\\

\therefore x = 4(3+\sqrt 3)\times \frac{2}{(3+\sqrt 3)}\\\\

\therefore x = 4\cancel{(3+\sqrt 3)}\times \frac{2}{\cancel {(3+\sqrt 3)}}\\\\

\therefore x = 4\times 2\\\\

\therefore x = 8\\\\

\huge\purple {\boxed{\implies MO = 8}} \: \\ [From\: equation \: (1)]\\\\

\because MP = \frac{1}{2} x \:

\\ [From\: equation \: (2)]\\\\

\therefore MP = \frac{1}{2} \times 8\\\\

\huge\red {\boxed{\therefore MP = 4 \: units}}

[/tex]

Answer:

3648

Step-by-step explanatio

Answer:

Answer: 3,648

Step-by-step explanation:

3,648

Answer:

i believe it is 5 im not sure

Step-by-step explanation:

Answer:

x = 165°

Step-by-step explanation:

x° = 360 - (the measure of one interior angle of the octagon + the measure of one interior angle of the equilateral ∆)

Each interior angle of a regular octagon = 135° ([tex] \frac{(n - 2)180}{n} = 135°)

An equilateral ∆ has equal angles, each measuring 60°.

Therefore:

x° = 360° - (135° + 60°)

x = 360 - 195

x = 165°

Answer:

165°

Step-by-step explanation:

Answer:

Concepts: Basic Linear Algebra

Answer:

(c) is the right answer

go for it

hope it helps you

Step-by-step explanation:

please mark me as brainliest please

Answer:

The fish jumped 7 inches from the sea then fell 7 inches down.

Step-by-step explanation:

Answer:

7-7

Step-by-step explanation:

7 adding a negative number means it is subtracting because you are taking away from the 7.

Answer:

good job that is correct

Step-by-step explanation:

goooooooooooooooooooooooood joooooooooooooooob

yep

Answer:

(199+0.32)minus 350

Step-by-step explanation:

199 is the cost plus fee per mile 0.32 subtract 350 to see if he can afford it

Answer:

590 centimeters

Step-by-step explanation:

Answer:

87

Step-by-step explanation:

Let d = number of desktops.

Let a = number of laptops.

a + d = 165

a = d + 9

d = a - 9

a + d = 165

a + a - 9 = 165

2a - 9 = 165

2a = 174

a = 87

Answer: 87

Answer:

87

Step-by-step explanation:

Answer:

The answer would be 2/13

Step-by-step explanation:

Answer:

[tex]A = 118ft^2[/tex]

Step-by-step explanation:

See attachment for complete question.

From the attachment, we have:

[tex]\theta = 80[/tex]

[tex]r = 13ft[/tex] -- Radius

Required

Determine the area of the sector

Area (A) of a sector is calculated as:

[tex]A = \frac{\theta}{360} * \pi r^2[/tex]

Substitute values for r and [tex]\theta[/tex]

[tex]A = \frac{80}{360} * \pi 13^2[/tex]

[tex]A = \frac{80}{360} * \pi *169[/tex]

[tex]A = \frac{80*169}{360} * \pi[/tex]

[tex]A = \frac{13520}{360} * \pi[/tex]

Take [tex]\pi[/tex] as [tex]\frac{22}{7}[/tex]

[tex]A = \frac{13520}{360} * \frac{22}{7}[/tex]

[tex]A = \frac{13520 * 22}{360 * 7}[/tex]

[tex]A = \frac{297440}{2520}[/tex]

[tex]A = 118ft^2[/tex]-- approximated