Solve for r.
18r - 10r - 20r + 2r + 9r = 18
r =
Submit

Answer: 8 cupcakes.

Step-by-step explanation:

4 cupcakes every 5 hours implies that 4 cupcakes grow in the span of 5 hours. if this is a ten hour period as the question states, then you have 8 cupcakes, as 4 cupcake batches grew twice in that 10 hour span.

Your answer is attached.

Hope it helps uh!

Answer:

4. B

5. D

Step-by-step explanation:

4. Draw a line at angle to the line segment JK.

Then make three arcs on the new line using a compass without changing the setting.

Join the last arc to the endpoint of the line segment (in this case, K) and draw two parallel lines originating from the other two arcs.

5. Recall, there are two lines a and b

where x is the geometric mean.

Draw a line.

Label a point on the line (say, R)

Construct a segment (or arc) with endpoint R and length "a".

Construct a segment (or arc) with length "b" adjacent to the previous segment.

Label the endpoints (say, S and T). The line segment from point RS is "a" and that from point ST is "b".

Construct the perpendicular bisected of segment RT.

Label the midpoint of segment RT.

Using the midpoint as the center and half the length of RT as the radius, construct a semicircle.

At S, construct the perpendicular to segment RT. Label the intersection between the semicircle and perpendicular (say, Y)

SY is the geometric mean.

a/x = x/b is RS/SY = SY/ST

Answer:

A=πr2

Step-by-step explanation:

Area of a circle is found by the following formula-

Area of Circle = πr^2

Where -

π = pie, value of 3.14 or 22/7

r = radius of a circle

Example -

A circle has a radius of 10 cm. Find the area of the circle.

Solution -

Area of Circle = A=πr^2

A = 3.14*10^2

A= 314 cm

Note - Most preferably, 3.14 is the most common value used for pie. You can also use 22/7, and would end up with roughly the same answer, but it takes more time to solve with a fraction like 22/7.

Hope this Helps! Please Mark Brainliest! Thank You  :)

Step-by-step explanation:

I think it's

60x-24=12(5x-2)

Answer:

12 ( 5x - 2)

Step-by-step explanation:

60x - 24 =

Factor out 12

12 (5x - 2)

If you want to EVAULATE IT than the answer is 60x - 24 but only if you want to EVALUATE IT. =D

Answer:

9x-54 ≥ 2x-26

This is true 9x-54 is greater or equal to 2x-26.

Step-by-step explanation:

Have a nice day!

Answer:

Step-by-step explanation:

Simplify 9(x +1).

9x+9=5−2(9x+6)

Simplify 5−2(9x+6).

9x+9=−18x−7

Move all terms containing x to the left side of the equation.

27x+9=−7

Move all terms not containing x to the right side of the equation.

27x=−16

Divide each term by 27 and simplify.

x

=

−

16

27

The result can be shown in multiple forms.

Exact Form:

x=−16/27

Decimal Form:

x=−0.¯¯¯¯¯¯

         592

Answer:

The centre of gravity.

Step-by-step explanation:

can i have brainliest pls?

Answer:

c. the number of gallons of gas at time x=0

Answer:

784

Step-by-step explanation:

hope it will help goodbye

Answer: -3/4 is the slope and the y-intercept is (0,2)

Step-by-step explanation:

Answer: see below

Step-by-step explanation:

(i)

200/2 = 100

Find 100 on cumulative frequency and the correspinding time: 14 minutes. So the answer is 14 minutes.

(ii)

First, find the lower quartile —> 200/4 = 50

Upper quartile —> 200/(3/4) = 150

Find the difference: 150 - 50 = 100

So the interquartile range is 100

For detailed, step-by-step explanations you can visit my fiverr account: kesja_

I provide detailed explanations for math questions for as little as $1!

Answer:

42

Step-by-step explanation:

The number is 15,238.1.

What is Number system?

A system of writing to express the number is called number system.

Given that;

The expression is;

''800 is 5 1/4% of number''

Now,

Let a number = x

Then, Expression is written as;

800 = 5 1/4% of x

800 = 21/4% × x

800 = 21/400 × x

x = 800 × 400 / 21

x = 15,238.1

Thus, The number is 15,238.1.

Learn more about the number system visit:

https://brainly.com/question/6248726

#SPJ2

Answer:

nice

Step-by-step explanation:

bsbcjdbfhsncjsjckskxjsjdjs

9514 1404 393

Answer:

  3 times

Step-by-step explanation:

We observe that both functions are vertically scaled versions of the parent quadratic y = x^2. The ratio of scale factors is 2.7/0.9 = 3. That is, ...

  g(x) = 3f(x)

This means that whatever vertical difference f(x) may show over the interval, g(x) will show 3 times that difference.

The average rate of change of g(x) is 3 times that of f(x).

The area of a shape is the amount of space it occupies.

The largest garden you could make is 49 square meters

The perimeter is given as:

[tex]\mathbf{Perimeter = 28}[/tex]

This is calculated as:

[tex]\mathbf{2 \times (Length + Width) = 28}[/tex]

Divide by 2

[tex]\mathbf{Length + Width = 14}[/tex]

This means that, the sum of the dimensions must equal 14.

So, the possible dimensions are:

The garden with the largest dimension is: 7 by 7 meters.

So, the area of garden is:

[tex]\mathbf{Area = 7m \times 7m}[/tex]

[tex]\mathbf{Area = 49m^2}[/tex]

The largest garden you could make is 49 square meters

Read more about areas at:

https://brainly.com/question/20898622

Answer:

heh I don't know this sorry

Step-by-step explanation:

Answer:

x = 0.15

Step-by-step explanation:

We have two equivalent ratios: 0.5 (or 1/2)/x = 2/0.6. It looks like our Giant One is 4/4, since 0.5 * 4 = 2. We can divide 0.6 by 4 to find the value of x. 0.6/4 = 0.15, so x = 0.15.

If you have any questions or need clarification on anything, let me know!

Answer:

.03

Step-by-step explanation:

forget the left side for a second, 0.6 is divided by 2 the answer is 0.3.

Answer:

180

Step-by-step explanation:

Answer:

B is the answers for the question

Step-by-step explanation:

please mark me as brainlest

Answer:

The two triangles are related by SAS, so the triangles are congruent.

Step-by-step explanation:

We can see that both of them have 2 similar sides, and 1 similar angle. This goes underneath the rule SAS, which makes the triangle congruent

-Chetan K

Answer:

y = -15/8x - 35/8

Step-by-step explanation:

Find the slope = [tex]\frac{change in y}{change in x}[/tex]

                         = [tex]\frac{80 - 5}{-45 - (-5}[/tex])

                         =  [tex]\frac{75}{-40}[/tex]

                         =   [tex]\frac{-15}{8}[/tex]

Find the y-intercept    Use one point (-5, 5) and the slope  [tex]\frac{-15}{8}[/tex]

 y = mx + b

 5 =  -15/8 (-5) + b

  5 = 75/8 + b

  5 - 75/8 = b

   -35/8 = b

Write the equation  

         y = -15/8x - 35/8

Answer:

[tex] \frac{7}{72} [/tex]

Step-by-step explanation:

The question is :

[tex] \frac{1}{9} \div \frac{8}{7} [/tex]

We need to take the reciprocal which means invert the :

[tex] \frac{8}{7} [/tex]

So, it will be :

[tex] \frac{1}{9} \times \frac{7}{8} [/tex]

After that , do 1 × 7 on numerator and 9 × 8 on denominator....

After multiplication you'll get :

[tex] \frac{7}{72} [/tex]

1/9 divided by 8/7 is equal to 7/72.

To divide fractions, you can use the following rule: invert the second fraction and multiply it by the first fraction.

In this case, you have:

1/9 ÷ 8/7

To divide, we invert the second fraction:

1/9 × 7/8

Next, multiply the numerators (top numbers) together and the denominators (bottom numbers) together:

(1 × 7) / (9 × 8)

This simplifies to:

7/72

Therefore, 1/9 divided by 8/7 is equal to 7/72.

Learn more about dividing fractions click;

https://brainly.com/question/29275884

#SPJ6

Answer:

y = 3/2x + 6

Step-by-step explanation:

1. Add 3x to both sides (2y=3x+12)

2. Divide both sides by 2 to isolate the y (y=3/2+6)

Answer:

Answer:

Integers such as 9 and 25, whose square roots are whole numbers, are called perfect squares.

hope it help mark as brainliest

Answer:

perfect squares

Step-by-step explanation:

Square roots are the reverse operation of squaring a value. Numbers whose square roots are Integers are  

called perfect squares. For example: √4 2. The square root sign (√ ) is called a radical. Use can use a  

calculator to determine the approximate value of a square root, estimate where the square root is on a

number line, or simplify square roots, as shown below

Answer: 2, 3, 6, 7

Step-by-step explanation:

Supplementary is two angles adding up to 180. The angles above with angle 5 add up to 180.

no tax:

final price: 67.84

savings: 16.96

with tax:

final price: 64

savings: 16

(hope it helps- )

Answer:

12/7

Step-by-step explanation:

27/18/12/7= 7/8

Hope it helps!!

hence first one is last option. real numbers.

2nd one is 0

Answer:

4 (a+2) =8+4a      x=all real solutions

1/5(25-5a)=4-a     x=no solution

2x-4/5 =x+4         x=-8

7x=4x+27             x=9

7/8(-32-48x)+36=2/3(-33x-18)-10x        x=2

Answer:

For the first image: -0.4/9

Second Image = 1.53/0.45

Step-by-step explanation:

a + b = 1.6 - 2 = -0.4 (The symbols just make it stay negative)

2 - c = 2 - (-7) = 2 + 7 = 9

--------

2a - 1/3  =  2(-3/5) - 1/3  =  -1.2 -1/3  =  -1.5333

b/15  =  -6.75/15  =  -0.45

(The two negatives make it positive)

Hope this helps