GIVING BRAINLIEST

When you add salt to water and give it a stir, how are you affecting the rate at which the salt dissolves?

You are breaking down the particles of salt at a slower rate.
You are combining the salt particles together at a faster rate.
You are decreasing the rate at which the salt dissolves.
You are increasing the rate at which the salt dissolves.

Answer:

Roberto makes 7 shots

Step-by-step explanation:

35% is 0.35 as a decimal. Multiply the decimal by the total amount of attempted shots.

20(0.35)=7

Roberto makes 7 shots.

Answer:

b

Step-by-step explanation:

Answer:

Step-by-step explanation:

2. 2c(7c + 1)

3. stays as is

4. 2x^3y^4(4 - 11x^2y^2)

5. ab(10ab + 9b - a)

6. 3m^2(7m^4n^2+2m^2n+5)

7. (a - 8)(a + 8)

8. (y - 17)(y + 17)

9. stays as is

10. (1 - 5n)(1 + 5n)

11. (4x - 7y)(4x + 7y)

12. (w^2 - 10)(w^2 + 10)

13. (c - 9d)(c + 9d)

14. (14a - b)(14a + b)

Answer:

y=3x

Step-by-step explanation:

y=kx

21/7=3

15/5=3

6/2=3

Each relationship in the table has a constant of proportionality of 3.

Answer:

The growth model that represents the population of this city is not linear--it is exponential:

\(f(t) = 10000( {1.025}^{t} )\)

\(t = 0 \: represents \: 2010\)

Answer:

No

Step-by-step explanation:

3/5 or 3 ÷ 5 = 0.60

6/7 or 6 ÷ 7 = about 0.8571

these two numbers/decimals are obviously not the same, making them inequivalent

Answer: E) C(10, 2)C(8, 1)C(7, 1)C(6, 1)C(5, 1)C(4, 2)C(2, 2)

Step-by-step explanation:

According to the combinations: Number of ways to choose r things out of n things = C(n,r)

Given word: "georgianna"

It is a sequence of 10 letters with 2 a's , 2 g's , 2 n's , and one of each e, o,r, i.

If we think 10 blank spaces, then in a sequence we need 2 spaces for each of g.

Number of ways = C(10,2)

Similarly,

1 space for 'e' → C(8,1)

1 space for 'o' → C(7,1)

1 space for 'r' → C(6,1)

1 space for 'i' → C(5,1)

1 space for 'a' → C(4,2)

1 space for 'n' → C(2,2)

Required number of different sequences  = C(10,2) ×C(8,1)× C(7,1)× C(6,1)×C(5,1)×C(2,2).

Hence, the correct option is E) C(10, 2)C(8, 1)C(7, 1)C(6, 1)C(5, 1)C(4, 2)C(2, 2)

Answer:

pppppppppppppppppppppppppppppppppppppppppp

Answer:

-19w - 3

Step-by-step explanation:

-14w - 3 - (5w)

-14w - 3 - 5w

-19w - 3

Hope it helps...

Answer:

-19w3

Step-by-step explanation:

im cool

Answer:

Step-by-step explanation:

Let find inverse of f(x):

f(x) = \(\frac{1}{x}\) + 2

y = \(\frac{1}{x}\) + 2

\(\frac{1}{x}\) = y - 2

x = \(\frac{1}{y -2}\)

y = \(\frac{1}{x -2}\) is the inverse of f(x) = \(\frac{1}{x}\) + 2

Therefore, f(x) and h(x) are not inverses.

==============

h(x) = \(\frac{4}{x-3}\)

y = \(\frac{4}{x-3}\)

x = \(\frac{4}{y-3}\)

y - 3 = \(\frac{4}{x}\)

y = \(\frac{4}{x}\) + 3 is the inverse function of h(x)

Answer:

4/5

Step-by-step explanation:

each friend will each get 4/5 of a sandwich

Answer:

0.8

Step-by-step explanation:

pls mark brainliest

I got 0.8 because if there are 4 sandwiches and 5 people, each person gets 4/5 sandwiches. if we multiply that by 2, we get 8/10, then we turn it into a decibal, that decibal is 0.8

1. The possible amounts of time for which the chemistry club could rent the meeting room are 1 to 5 hours.

2. Solving the inequality for t is 39 + 6.80t ≤ 73, where the maximum time is 5 hours.

Inequality is a mathematical statement that two or more mathematical expressions are unequal.

Inequalities are depicted using the following symbols:

The total budget of the chemistry club for renting a meeting room = $73.60

The reservation fee charged by the college = $39

The additional fee (variable cost) per hour = $6.80

The number of hours the club can rent the meeting room = t

The inequality representing the situation is:

39 + 6.80t ≤ 73.

39 + 6.80t ≤ 73

6.8t ≤ 73 - 39

6.8t ≤ 34

t ≤ 5 (34/6.8)

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The probability that a randomly selected point within the square falls in the red shaded square is 1/16

A probability is a number that reflects the chance or likelihood that a particular event will occur. The certainty of an event to occur is 1 and it is 100% in percentage.

Probability = sample space /total outcome

sample space is the area of the red shaded square and the total outcome is the big square.

Area of red shaded square = 1 × 1 = 1unit²

area of the big square = 4 × 4 = 16 units²

Therefore the probability that a point selected falls on the red shaded square

= 1/16

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A pair of corresponding angles, alternate interior angles, and alternate exterior angles include the following:

Corresponding angles: ∠1 ≅ ∠5.

Alternate interior angles: ∠4 ≅ ∠6.

Alternate exterior angles: ∠2 ≅ ∠8

In Mathematics, corresponding angles can be defined as a postulate (theorem) which states that corresponding angles are always congruent when the transversal intersects two (2) parallel lines:

∠1 ≅ ∠5

By applying the alternate interior angles theorem to parallel lines m and n, we have the following congruent angles:

∠4 ≅ ∠6

By applying the alternate exterior angles theorem to parallel lines m and n, we have the following congruent angles:

∠2 ≅ ∠8

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Answer:

The length of rectangle is 23 cm.

Step-by-step explanation:

DIAGRAM :

\(\setlength{\unitlength}{1cm}\begin{picture}(0,0)\thicklines\multiput(0,0)(5,0){2}{\line(0,1){3}}\multiput(0,0)(0,3){2}{\line(1,0){5}}\put(0.03,0.02){\framebox(0.25,0.25)}\put(0.03,2.75){\framebox(0.25,0.25)}\put(4.74,2.75){\framebox(0.25,0.25)}\put(4.74,0.02){\framebox(0.25,0.25)}\multiput(2.1,-0.7)(0,4.2){2}{\sf\large{14\ cm}}\multiput(-1.4,1.4)(6.8,0){2}{\sf\large{14\ cm}}\put(-0.5,-0.4){\bf}\put(-0.5,3.2){\bf}\put(5.3,-0.4){\bf}\put(5.3,3.2){\bf}\end{picture}\)

\(\begin{gathered}\end{gathered}\)

SOLUTION :

Here's the required formula to find the length of rectangle :

\({\longrightarrow{\pmb{\sf{A_{(Rectangle)} = l \times b}}}}\)

Substituting all the given values in the formula to find the length of rectangle :

\(\begin{gathered}\qquad{\longrightarrow{\sf{A_{(Rectangle)} = l \times b}}}\\\\\qquad{\longrightarrow{\sf{322 = l \times 14}}}\\\\\qquad{\longrightarrow{\sf{322 = 14l}}}\\\\\qquad{\longrightarrow{\sf{l = \dfrac{322}{14}}}}\\\\\qquad{\longrightarrow{\sf{l = \cancel{\dfrac{322}{14}}}}}\\\\\qquad{\longrightarrow{\sf{l = 23 \: cm}}}\\\\\qquad{\star{\underline{\boxed{\sf{ \pink{l = 23 \: cm}}}}}}\end{gathered}\)

Hence, the length of rectangle is 23 cm.

\(\begin{gathered}\end{gathered}\)

LEARN MORE :

\(\boxed{\begin {minipage}{9cm}\\ \dag\quad \Large\underline{\bf Formulas\:of\:Areas:-}\\ \\ \star\sf Square=(side)^2\\ \\ \star\sf Rectangle=Length\times Breadth \\\\ \star\sf Triangle=\dfrac{1}{2}\times Breadth\times Height \\\\ \star \sf Scalene\triangle=\sqrt {s (s-a)(s-b)(s-c)}\\ \\ \star \sf Rhombus =\dfrac {1}{2}\times d_1\times d_2 \\\\ \star\sf Rhombus =\:\dfrac {1}{2}p\sqrt {4a^2-p^2}\\ \\ \star\sf Parallelogram =Breadth\times Height\\\\ \star\sf Trapezium =\dfrac {1}{2}(a+b)\times Height \\ \\ \star\sf Equilateral\:Triangle=\dfrac {\sqrt{3}}{4}(side)^2\end {minipage}}\)

\(\rule{300}{2.5}\)

Answer:

We know that,

\( \implies\displaystyle{Area_{(rectangle)}} = length(l) \times breadth(b)\)

\(\implies\displaystyle{3 {22}^{} } = l \times 14\)

\(\implies\displaystyle{ \frac{322}{14} = l }\)

\( \implies \displaystyle{23=l}\)

Thus,the value of length=23 cm.

The total number of miles driven by the two brothers is 2,220 miles.

Average speed is the ratio of total distance and time. It measures how fast an object is moving with respect to time.

Average speed = distance / time

In order to determine the formula for distance from the formula of average speed, multiply both sides of the equation by time.

Distance = time x average speed.

The distance that Kevin covered  = 65 x 12 = 780 miles

The distance that Jeffery covered  = 60 x 24 = 1440 miles

The total distance is the sum of the distance covered by Kevin and the distance covered by Jeffery.

Total distance = 1440 + 780 = 2,220 miles

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We know

\(\boxed{\sf P(x,y)=\left(\dfrac{mx_2+nx_1}{m+n},\dfrac{my_2+ny_1}{m+n}\right)}\)

\(\\ \sf\longmapsto p(x,y)=\left(\dfrac{3(7)+5(-1)}{3+5},\dfrac{3(7)+5(1)}{3+5}\right)\)

\(\\ \sf\longmapsto p(x,y)=\left(\dfrac{21-5}{8},\dfrac{21+5}{8}\right)\)

\(\\ \sf\longmapsto p(x,y)=\left(\dfrac{16}{8},\dfrac{26}{8}\right)\)

\(\\ \sf\longmapsto p(x,y)=\left(2,\dfrac{13}{4}\right)\)

m:n=3:5

We know

\(\boxed{\sf M(x,y)=\left(\dfrac{mx_2+nx_1}{m+n},\dfrac{my_2+ny_1}{m+n}\right)}\)

\(\\ \sf\longmapsto M(x,y)=\left(\dfrac{3(7)+5(-1)}{3+5},\dfrac{3(7)+5(1)}{3+5}\right)\)

\(\\ \sf\longmapsto M(x,y)=\left(\dfrac{21-5}{8},\dfrac{21+5}{8}\right)\)

\(\\ \sf\longmapsto M(x,y)=\left(\dfrac{16}{8},\dfrac{26}{8}\right)\)

\(\\ \sf\longmapsto M(x,y)=\left(2,\dfrac{13}{4}\right)\)

Answer:

Since there is one value of  y  for every value of  x  in  ( 1,−2) ,( 2,1),(3,6), (4,13 ) ,(5 ,22 ) , this relation is a function.

The relation is a function.

A relation is a function if it has only one y-value for each x-value. The relation (1,−2), (2,1), (3,6), (4,13), (5,22) is a function.

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

The given relation is one comma minus two

two comma one

three comma six

four comma thirteen

five comma twenty two.

(1,−2), (2,1), (3,6), (4,13), (5,22)

In the ordered pairs (x, y) , there should not have same y value.

As we observe there are only one y values for x value.

Every domain element is have unique codomain element.

Hence the relation  (1,−2), (2,1), (3,6), (4,13), (5,22) is a function.

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Answer:

288\(\pi\)

972\(\pi\)

Step-by-step explanation:

\(\textsf{volume of a sphere} =\dfrac43\pi r^3\)

\(\textsf{volume of a cone} =\dfrac13\pi r^2h\)

\(\textsf{volume of a cylinder} =\pi r^2h\)

\(\textsf{diameter} =2r\)

(where r is the radius, h is the height and d is the diameter)

Input the given values of r (d) and/or h into the above equations

Cone

r = 12, h = 6:  volume = 288\(\pi\)

d = 18 ⇒ r = 9, h = 36:  volume = 972  \(\pi\)

Cylinder

d = 12 ⇒ r = 6, h = 27:   volume = 972\(\pi\)

d = 8 ⇒ r = 4, h = 18:  volume = 288\(\pi\)

Sphere

d = 12 ⇒ r = 6:   volume = 288\(\pi\)

r = 9:   volume = 972\(\pi\)

The amount of money there would be in 18 years is $82078.65.

The value of the bond increased over the 18 years period.

In Mathematics and Financial accounting, compound interest can be calculated by using the following mathematical equation (formula):

\(A(t) = P(1 + \frac{r}{n})^{nt}\)

Where:

By substituting the given parameters into the formula for compound interest, we have the following;

\(A(18) = 20000(1 + \frac{0.08}{2})^{2 \times 18}\\\\A(18) = 20000(1.04)^{36}\)

Future value, A(18) = $82078.65

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Answer:

  $82078.65

Step-by-step explanation:

You want the value of a $20,000 investment that pays 8% interest compounded semiannually for 18 years.

The value of the investment of principal amount P at interest rate r compounded n times per year for t years is given by the formula ...

  A = P(1 +r/n)^(nt)

Using the given values, we find the amount of money in 18 years will be ...

  A = $20,000(1 + 0.08/2)^(2·18) = $20,000(1.04^36) ≈ $82,078.65

In 18 years there will be $82,078.65.

__

Additional comment

Some calculators and all spreadsheets have built-in functions for evaluating financial formulas.

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Answer:

x>_-1

Step-by-step explanation:

x is such that x is greater or equal to -1

The required area of the lune is (D) √3/4 - π/24.

The measurement that expresses the size of a region on a flat or curved surface is termed area.

Surface refers to the area of a surface or the boundary of a tri structure, whereas the area of a plane region or plane area refers to the area of a form or planar lamina.

So,

The lune's area is equal to the smaller semicircle's area minus the segment's area.

The area of the segment is equal to the sum of the areas of the sector and the triangle formed by the intersection points and the larger semicircle's center.

Additionally, because all of the sides are one unit, the triangle thus constructed is an equilateral triangle.

Area of the lune = π * 1/8 (60/360 * π * 1² - √3/4 * 1²)

Area of the lune = π/8 - π/6 + √3/4

= √3/4 - π/24

Therefore, the required area of the lune is (D) √3/4 - π/24.

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Let's start by using variables to represent the salaries of Saima and Atika. Let S be Saima's salary, and A be Atika's salary. Then, we can write:

We know that their total salary is Rs. 35,000, so we can write an equation:

S + 3S + 9S = 35,000

Simplifying the left side, we get:

13S = 35,000

Dividing both sides by 13, we get:

S = 2,692.31 (rounded to two decimal places)

Now that we know Saima's salary, we can find Farheen's salary:

Farheen's salary = 3S = 3 × 2,692.31 ≈ Rs. 8,076.92

Therefore, the closest answer choice is A. 10,000, which is not the exact value but is the closest option to the calculated value.

In this math problem, using the given ratios and total salary, we find Saima's salary is Rs. 5000. As Farheen's salary is three times Saima's, Farheen earns Rs.15,000.

According to the problem, Farheen's salary is three times Saima's salary, and Saima's is one-third of Atika's. Let's denote Saima's salary as 'x'. Hence, Farheen's salary is '3x' and Atika's salary is '3x'. All their salaries add up to Rs.35,000 as per the question. Therefore, the equation becomes as follows:

x + 3x + 3x = 35000. This reduces to 7x = 35000 after adding the like terms on the left hand side of the equation. Dividing each side by 7, we find 'x = 5000', which is Saima's salary.

Therefore, Farheen's salary is three times Saima's, so it equals '3 * 5000 = 15000', which matches with option C from the list. So, Farheen's salary is Rs. 15,000.

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Answer: I hope this helps :)

Substitution:  45+15(6-1)

Simplify:  120

Step-by-step explanation:

Calculate within parenthases (6-1) =5    =45+15(5)

Multiply left to right 15(5)=75      =45+75

Add leftg to right 45+75=120

Answer = 120

Answer:

  x = 3

Step-by-step explanation:

Maybe you want the value of x such that ...

  4(6^x) = 864

Dividing by 4 gives ...

  6^x = 216

You may know that 216 = 6^3. Using that, we can equate exponents:

  6^x = 6^3

  x = 3

Alternatively, we can use logarithms to find x. Taking logs gives ...

  x·log(6) = log(216)

  x = log(216)/log(6) = 3