Given that 5 miles is 8 km, convert 34.5 km to miles.

Answer:

Step-by-step explanation:

Solution,

Given ratio=2:3

Boys & girls=15:45=15/45=1/3=1:3

Since, 2:3≠1:30. Hence given rations are not in proportion

Answer:30

Step-by-step explanation:

45-12=33 nearest tenth is 30

Answer:

C. 8 is the correct answer.

Step-by-step explanation:

Let <DAB be x°

Now,

taking x as reference angle in triangle ADB,

cosx = b/h

or, cosx = 4/AB

Now,

again taking x as reference angle in triangle ACB,

cosx = b/h

or, cosx = AB/20

Now,

cosx = AB/20 = 4/AB

or, AB/20 = 4/AB

or, AB² = 80

Now,

Using pythagoras theorem in triangle ABD,

h² = p² + b²

or, AB² = BD² + AD²

or, 80 = BD² + 4²

or, 80 - 16 = BD²

so, BD² = 64

so, BD = 8

Answer:  (f-g)(x) is equivalent to f(x) - g(x)

So that would be (2x²-5) - (x²-4x-8) = 2x² - x² + 4x + 8 - 5 = x² + 4x + 3

Hope this helps.

Answer:

Perimeter is 9x² + 15x + 36

Step-by-step explanation:

[tex]{ \tt{perimeter = s \times s \times s}} \\ { \tt{p = 3s}}[/tex]

[tex]{ \tt{p = 3(3 {x}^{2} + 5x + 12) }} \\ { \boxed{ \tt{ \blue{p = 9 {x}^{2} + 15x + 36 \: }}}}[/tex]

11, 15, 19.5, 29, 38

Step-by-step explanation:

Minimum: 11

Quartile Q1: 15

Median: 19.5

Quartile Q3: 29

Maximum: 38

Answer:

11,15,19.5,29,28

Step-by-step explanation:

Min-11

Q1- 15

median-

19.5

Q3-29

max-38

Answer:

2 tablespoons of vinegar are needed for every tablespoon of oil

Answer:

The cost for each television costs $60

Step-by-step explanation:

30*18 = 540

1620 - 540 = 1080

1080 / 18 = 60

Answer:

20

Step-by-step explanation:

3x+50 = 6x-10( opposite angles are equal)

3x = 60

x = 20

Answer:

3

Step-by-step explanation:

3 is not a factor of 16.

Is that a valid answer? lol

Hi there!

First of all, let's determine the factors of 16.

Remember, a factor is a number that a number can be evenly divided by.

Example: 5 is a factor of 10, because 10 can be evenly divided by 5.

So, the factors of 16 are:

1, 2, 4, 8, and 16.

Now, there's an infinite amount of numbers that are not factors of 16. Here are some of them:

3, 5,7,9, 10,11, 12, 13, 14, 15...

Hope it helps.

Feel free to ask if you have any doubts.

[tex]\bf{-MistySparkles^**^*[/tex]

Using exponential function concepts, it is found that it represents a decay of 0.9%.

A decaying exponential function is modeled by:

[tex]A(t) = A(0)(1 - r)^t[/tex]

In which:

In this problem, the function is:

[tex]A(t) = 9300(0.991)^{6t}[/tex]

Hence:

[tex]1 - r = 0.991[/tex]

[tex]r = 0.009[/tex]

Thus, it represents a decay of 0.9%.

You can learn more about exponential function concepts at https://brainly.com/question/25537936

Answer:

195 students

Step-by-step explanation:

585 divided by 18 = 32.5

There are 32.5 GROUPS

32.5(6) = 195

There are 195 student's total

The variable the researchers intentionally varied in the experiment is time and the units of the variable is mins.

The independent variable is the variable that the researcher varies or changes or manipulates in the course of the experiment. The independent variable usually have a direct effect on the dependent variable.

With the passage of time, the level of concentration increases. This means that time is the independent variable and concentration is the dependent variable.

Please find the required table attached. To learn more about independent variables, please check: https://brainly.com/question/26287880

Answer:

As the triangle rotates 360 degrees the triangle comes back to the same position that it was in, so the coordinate of Q is (6,3)

Step-by-step explanation:

Answer:

The coordinate of Q are (6,3)

Step-by-step explanation:

i did the assignment

Answer:

[tex]\displaystyle (y + 2) = -\frac{1}{3}\, (x - 9)[/tex].

Equivalently:

[tex]\displaystyle (y - 2) = -\frac{1}{3}\, (x + 3)[/tex].

Step-by-step explanation:

Let [tex](x_{1},\, y_{1})[/tex] and [tex](x_{2}\, y_{2})[/tex] denote the coordinates of two points in the plane. If [tex]x_{1} \ne x_{2}[/tex] (i.e., the two points aren't on the same vertical line,) the slope of the line that goes through the two points would be:

[tex]\begin{aligned} m = \frac{y_{2} - y_{1}}{x_{2} - x_{1}}\end{aligned}[/tex].

In this question, [tex]x_{1} = 9[/tex] and [tex]y_{1} = (-2)[/tex] (for [tex](9,\, -2)[/tex]) while [tex]x_{2} = (-3)[/tex] and [tex]y_{2} = 2[/tex] (for [tex](-3,\, 2)[/tex].) Given that [tex]x_{1} \ne x_{2}[/tex], the slope of the line that goes through these two points would be:

[tex]\begin{aligned} m &= \frac{y_{2} - y_{1}}{x_{2} - x_{1}} \\ &= \frac{2 - (-2)}{(-3) - 9} \\ &= -\frac{1}{3}\end{aligned}[/tex]

If a line in a plane is of slope [tex]m[/tex] and goes through the point [tex](x_{0},\, y_{0})[/tex], the point-slope equation of this line would be:

[tex](y - y_{0}) = m\, (x - x_{0})[/tex].

The slope of this line is [tex]m = (-1/3)[/tex]. If the point [tex](9,\, -2)[/tex] is chosen as [tex](x_{0},\, y_{0})[/tex] ([tex]x_{0} = 9[/tex] and [tex]y_{0} = (-2)[/tex],) then the point-slope equation of this line would be:

[tex](y - (-2)) = (-1/3)\, (x - 9)[/tex].

Simplify to obtain:

[tex]\displaystyle (y + 2) = -\frac{1}{3}\, (x - 9)[/tex].

Similarly, if the point [tex](-3,\, 2)[/tex] is chosen as [tex](x_{0},\, y_{0})[/tex], the point-slope equation of this would be:

[tex]\displaystyle (y - 2) = -\frac{1}{3}\, (x + 3)[/tex].

The A option is correct.

A ratio is an ordered pair of numbers a and b, written as a/b where b does not equal 0. A proportion is an equation in which two ratios are set equal to each other.

Given

The interest rate applied to the present value has on the monthly payment P in the formula

[tex]\rm P = PV(\dfrac{i}{1-i})^{-n}[/tex]

The effect an increase in i.

[tex]\rm P = PV(\dfrac{i}{1-i})^{-n}\\[/tex]

on simplifying the equation, we get

[tex]\rm P = PV(\dfrac{i}{1-i})^{-n}\\\\P = PV\dfrac{1}{(\frac{i}{1-i})^n}\\\\\\P = PV(\dfrac{1-i}{i})^{n}\\\\P = PV(\dfrac{1}{i} - 1)^{n}[/tex]

Let n be the constant, then the equation will be

[tex]\rm P = PV(\dfrac{1}{i} - 1)^{n}\\\\\dfrac{1}{V} \propto \dfrac{1}{i}\\\\V \propto i[/tex]

It is clear that V is proportional to i.

An increase in i, the interest rate, will not change P, the monthly payment.

Thus, the A option is correct.

More about the ratio and the proportion link is given below.

https://brainly.com/question/165414

Answer:

The answer is B

Step-by-step explanation:

Edge2022

Answer:

500 lbs of mixed nuts

Step-by-step explanation:

15.4% of mixed nuts = 77 lbs of pecans

Divide the weight of pecans by the percent of mixed nuts to find how many pounds of pecans equal 1% of the mixed nuts:

77 / 15.4 = 5,  so 5 lbs equals 1% of mixed nuts

Now multiply that number by 100 to get 100% of mixed nuts:

5 x 100 = 500

Therefore, there are 500 lbs of mixed nuts in a batch altogether.

To check, 15.4% = 15.4/100 = 0.514

Therefore, 15.4% of 500 = 0.514 x 500 = 77

Thereby proving that 15.4% of 500 is 77.

analyze picture

com loses 1/4 of its value after every year it is purchased

v = original price times 1/4 x times(x represents)

v = 800*(3/4)^x

so, if x is five, then t is

800*(3/4)^5= 189 27/32

Answer:

[tex]v=800(0.75)^t[/tex]

$189.84 (nearest cent)

Step-by-step explanation:

If a computer loses 1/4 of its value each year, then each year it will be 75% of the value of the previous year, since 100% - 25% = 75%.  

Therefore, we need to model this as an exponential function.

General form of an exponential function: [tex]y=ab^x[/tex]

where:

From the given information:

Substituting the values into the formula:

[tex]\implies v=800(0.75)^t[/tex]

When x = 5, t = 5

[tex]\implies v=800(0.75)^5=189.84375[/tex]

⇒ v = $189.84 (nearest cent)

Step-by-step explanation:

Refer to attachment.

Hope it helps :)

Answer:

2^3 * 3

Step-by-step explanation

24 / 2 = 12

12 / 2 = 6

6 / 2 = 3

2 * 2 * 2 *3 = 24

Answer:

3

step by step instructions to solve 24 factorized

24 = 2 / 12

12 = 2 / 6

6 = 2 / 6

Answer:

I might not be able to solve it correctly but this might help a lot. Formula: V = πr 2 h

Step-by-step explanation:

Answer:

50 players

Step-by-step explanation:

Let x be the amount of players last year and y be the amount of players this year then...

y=3x+2

y=152

We can solve this using substitution. Substitute 152 for y:

y=3x+2

152=3x+2

Subtract 2 from both sides (subtraction property of equality)

152-2=3x+2-2

150=3x

Divide both sides by 3 (division property of equality)

x=50

There were 50 players last year.

Answer:

176.625 sq.ft, 4.8 sq.ft

Step-by-step explanation:

Area of circle=πr^2 or πd^2/4
11. Given,
d=15 ft
Now,
Area=πd^2/4
3.14*15^2/4
176.625 ft^2
Therefore, the area approximation is 176.6 sq.ft
12.
Given,
d=3.5 ft
Now,
Area= πd^2/8
3.14*3.5^2/8
4.8 sq.ft
I got the answer by dividing the area of circle by 2 as semicircle is half of circle.

Answer:

6,400

Step-by-step explanation:

Answer:

Step-by-step explanation:

Let's simplify 20² and 4² to obtain our answer.

Hence, 6400 is the answer.

Answer:

6 = 6, 12, 18, 24, 30, 36, 42, 48, 54, 60

8 = 8, 16, 24, 32, 40, 48, 56, 64, 72, 80

Step-by-step explanation:

Answer:

The answer is 10 :))

Step-by-step explanation:

Answer:

C.10

Step-by-step explanation:

took the quiz and got it right

Answer:

Only the second one is true:

It has a constant rate of change.

Step-by-step explanation:

Answer:

Each payment will be $118.75

Step-by-step explanation:

Since Diego put $2000 down, he is left with $2,850 that needs to be payed equally in 24 payment. Divide 2850 by 24 and you get 118.75.