Solve for n: 3/4=9/n

Answer:

let the interior angle of a triangle be 4x,6x and 8x

According to the question,

The interior angles of the triangle=180

4x+6x+8x=180

or, 18x=180

or,x=180÷18

therefore ans x=10

1st angle=4x( putting the value of x)

=4×10 = 40

2nd angle= 6x =6×10 =60

3rd angle= 8x =8×10 =80

Of you doubt the ans= ( Check out)

Adding all the angles give 180

Answer:

the ans

Step-by-step explanation:

2.4 − 0.15 = 2.25

Answer:

Ashley's house is 12.1 miles away from Bridgette's house
Ashley's house is 10.2 miles away from Carly's house

Ashley's house is closer to Carly's house by 1.9 miles

Explanation:

Use the distance formula to calculate the distance between points

Answer:

Ashley lives closest to Bridget by about 4 miles.

Step-by-step explanation:

Answer:a

Step-by-step explanation:

The solution to the equation ax² + bx + c = 0 , has a graph that crosses the y-axis once and does not intersect the x-axis, then the equation has one real root and two complex conjugate roots that lie on either side of the axis of symmetry.

A quadratic equation is a second-order polynomial equation in a single variable x , ax² + bx + c=0. with a ≠ 0. Because it is a second-order polynomial equation, the fundamental theorem of algebra guarantees that it has at least one solution. The solution may be real or complex.

The roots of the quadratic equations are

x = [ -b ± √ ( b² - 4ac ) ] / ( 2a )

where ( b² - 4ac ) is the discriminant

when ( b² - 4ac ) is positive, we get two real solutions

when discriminant is zero we get just one real solution (both answers are the same)

when discriminant is negative we get a pair of complex solutions

Given data ,

Let the quadratic equation be represented as A

Now , the value of A is

If the graph of the equation ax² + bx + c = 0 crosses the y-axis once, it means that the equation has one real root. This is because when x = 0, the equation becomes:

c = 0² + 0 + c = c

Therefore, the point (0, c) is on the y-axis, which means the graph crosses the y-axis once.

If the graph does not intersect the x-axis, it means that the discriminant b² - 4ac is negative. This is because the discriminant determines the nature of the roots of a quadratic equation, and when it is negative, the roots are complex (not real) and the graph does not intersect the x-axis.

So, the solution(s) of the equation ax² + bx + c = 0 are:

x = (-b ± √(b² - 4ac)) / 2a

Since the discriminant is negative, the term inside the square root is negative, and there are no real solutions for x. Instead, the solutions are complex conjugates of the form:

x = (-b ± i√(4ac - b²)) / 2a

where i is the imaginary unit. Since the real part of these solutions is -b/2a, which is the axis of symmetry of the parabola, and the parabola does not intersect the x-axis, the complex roots will be a conjugate pair that lie on either side of the axis of symmetry.

Hence , the quadratic equation is solved

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Answer:

D.) Mode

Step-by-step explanation:

It best represents the data as it has the highest value in the distribution. All other measures of central tendency have lower values in the data.

Sorry if Im wrong

Answer:

12

Step-by-step explanation:

you divide 48 by 4 for each side 48 divided by 2 is 24 and 24 divided by 2 is 12.

The height of the tallest doll = 12 inches

The height of 2nd doll = 12×7/10

The height of 3rd doll = 12×7/10×7/10 = 12×(7/10)²

The height of 4th doll = 12×7/10×7/10×7/10 = 12×(7/10)³

Therefore the height of the smallest doll = 12×\(7/10^{(n-1)}\)

where n is the number of dolls

So, if there are 5 dolls then the height of the smallest doll will be

12×\(7/10^{(5-1)}\) = 12×\(7/10^{4}\) = 2.8812 inches

Answer:

D is the right choice and no you cannot fit the pizza inside the box.

Step-by-step explanation:

D is the answer because to turn 2/3 into a decimal you would divide 2 by 3 and the answer you would get would be 0.66666666666...You would then add 12 to the answer and get 12.6666... Once you get this answer you would round it to the hundredths to get 12.67 but since that is not an option you could use D, 12.66 inches.

Answer:

I believe the answer is D.

Step-by-step explanation:

GOOGLE

Answer:

The answer is slide 2 Where it shows you in deicamials

Step-by-step explanation:

Answer:

Step-by-step explanation:

It's B.

Let's rewrite the expression like this :

2x+y=12 ⇒ y=12-2x

and try given values for x :

Explanation:

The data from the stem-and-leaf plot is:

10,

24,25,26,

30,30,32,33,

40,45,46

Add up those values

10+24+25+26+30+30+32+33+40+45+46 = 341

Then divide over n = 11 which is the sample size.

341/11 = 31 is the arithmetic mean.

Answer:

341/11 = 31 is the arithmetic mean.

Step-by-step explanation:

Answer:

y= -6x+2

Step-by-step explanation:

Answer:

The answer should be 73.97

Step-by-step explanation:

Answer: 3293

Step-by-step explanation: just multiply 365 by 9 then add 8

Answer:

3293

Step-by-step explanation:

multiple 365 by 9 then add 8

Answer:

\(\frac{(2a + 1)^2}{50a}\)

Step-by-step explanation:

Given

\(\frac{2a + 1}{10a - 5} / \frac{10a}{4a^2 - 1}\)

Required

Find the equivalent

We start by changing the / to *

\(\frac{2a + 1}{10a - 5} / \frac{10a}{4a^2 - 1}\)

\(\frac{2a + 1}{10a - 5} * \frac{4a^2 - 1}{10a}\)

Factorize 10a - 5

\(\frac{2a + 1}{5(2a - 1)} * \frac{4a^2 - 1}{10a}\)

Expand 4a² - 1

\(\frac{2a + 1}{5(2a - 1)} * \frac{(2a)^2 - 1}{10a}\)

\(\frac{2a + 1}{5(2a - 1)} * \frac{(2a)^2 - 1^2}{10a}\)

Express (2a)² - 1² as a difference of two squares

Difference of two squares is such that: \(a^2- b^2= (a+b)(a-b)\)

The expression becomes

\(\frac{2a + 1}{5(2a - 1)} * \frac{(2a - 1)(2a + 1)}{10a}\)

Combine both fractions to form a single fraction

\(\frac{(2a + 1)(2a - 1)(2a + 1)}{5(2a - 1)10a}\)

Divide the numerator and denominator by 2a - 1

\(\frac{(2a + 1)((2a + 1)}{5*10a}\)

Simplify the numerator

\(\frac{(2a + 1)^2}{5*10a}\)

\(\frac{(2a + 1)^2}{50a}\)

Hence,

\(\frac{2a + 1}{10a - 5} / \frac{10a}{4a^2 - 1}\) = \(\frac{(2a + 1)^2}{50a}\)

Answer:

D

Step-by-step explanation:

edge 2020

Answer:

A= 2.48

B=0.84

C=4.5

D=15.3

Answer:

Mean = 16

Step-by-step explanation:

MEAN can be find bg the sum of all score divided by the amount of the score.

Mean = total amount / number of amount

Total amount = 2 + 3 + 5 + 9 + 17+ 22 + 31 + 39

= 128

number of amount = 2, 3, 5, 9, 17, 22, 31, 39

= 8

Then we can calculate mean as

Mean = 128/8

Mean = 16

Answer:

The scatter plot shows a (positive) Liner association.

Step-by-step explanation:

just by looking at the graph, you can see a positive correlation for each point, because they line up to form an almost straight line upward. I hope this helped!

Answer:

Step-by-step explanation:

Profit % = \(\frac{New Value - Old Value}{Old value}\)x 100

Loss % = \(\frac{Old Value-NewValue}{Old Value}\)

Profit % = \(\frac{16.1-5}{5}\) × 100

= \(\frac{11.1}{5}\) x 100

= 11.1 x 20

= 222% increase

∴ Hence, proved that the answer is correct.

Profit % = \(\frac{57.6-40}{40}\)×100

= 44% increase

∴ Hence, proved that the answer is correct.

Profit % = \(\frac{63.6-60}{60}\)x 100

= 6% increase

∴ Hence, proved that the answer is correct.

Loss % = \(\frac{110-13.2}{110}\)x 100

= 88% decrease

∴ Hence, proved that the answer is correct.

Loss % = \(\frac{55-49.5}{55}\)x 100

= 10% decrease

∴ Hence, proved that the answer is correct.

Hope it helped. Pls mark me the BRAINLIEST! For all the writing and you understanding :)

Answer:

Step-by-step explanation:

Old Value:  5

            New Value:   16.1

16.1-5=11.1

11.1 divided by 5= 2.22

2.22/1 x 100=222%

222% increase

Old Value:  40

            New Value:  57.6

57.6-40=17.6

17.6 divided by 40= 0.44

0.44/1 x 100= 44%

44% increase

Old Value:  60

           New Value:   63.6

63.6-60=3.6

3.6 divided by 60= 0.06

0.06/1 x 100= 6%

6% increase

Old Value:  110

           New Value:   13.2

13.2-110= -96.8

-96.8 divided by 110= -0.88

-0.88/1 x 100= 88%

88% decrease

You bought some jeans for $55.  Today they were on sale for $49.50.  What was the percent decrease in price?

49.50-55= -5.5      -5.5 divided by 55= -0.1     -0.1/1 x 100=10%      10% decrease

Answer:

<A=30; m<D=arc_cos(3/5)=arc_sin(4/5)

Area(triangleABC)=AB AC sin(A)/2=4 ,5 sin(30)/2=5unit²

Area(triangleDEF)=DE DF sin(D)/2=(5,4,4/5)/2=8unit²

In order to solve this problem, we need a few formulas to help us get to the answer:

The first formula we need is the Slope Formula:
\(\displaystyle m = \frac{y_2 - y_1}{x_2 - x_1}\)

where (x₁, y₁) and (x₂, y₂) are two different points.

The second formula we need is Point-Slope Form:
\(\displaystyle y - y_0 = m(x - x_0)\)

where (x₀, y₀) is a given point on the line and m is the slope.

Now, we can organize and define what the problem has given us:

We are first given information that a line passes through the points (6, 2) and (2, 4).

We are also given that the parallel line passes through (-1, 6).

Let's first find the slope of the line that passes through two points:

\(\displaystyle\begin{aligned}m & = \frac{4 - 2}{2 - 6} \\& = \frac{2}{-4} \\& = \boxed{ - \frac{1}{2} } \\\end{aligned}\)

∴ we know that the slope is equal to negative one-half.

Let's substitute in our slope into Point-Slope Form since parallel lines have the same slope:

\(\displaystyle y - y_0 = m(x - x_0) \Rightarrow y - y_0 = - \frac{1}{2} (x - x_0)\)

Recall that we were given the initial point (-1, 6). Let's also substitute this into Point-Slope Form:

\(\displaystyle \begin{aligned}y - y_0 = m(x - x_0) & \Rightarrow y - y_0 = - \frac{1}{2} (x - x_0) \\& \Rightarrow y - 6 = - \frac{1}{2} (x - -1) \\& \Rightarrow \boxed{ y - 6 = -\frac{1}{2}(x + 1) } \\\end{aligned}\)

∴ we have found that the point-slope form of the equation of a line that passes through the point (-1, 6) and is parallel to the line that passes through the points (6, 2) and (2, 4) is equal to:
\(\displaystyle \boxed{ y - 6 = -\frac{1}{2}(x + 1) }\)

Hope this helps!
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Answer:

5,9

Step-by-step explanation:

I think row A would be 5 and B would be 9 im sorry if im wrong

Answer:

w, number of words types is dependent variable and t, ti.es in minute is independent

Answer:

Time is dependent

Number of words is independet

Step-by-step explanation:

Answer:

b

Step-by-step explanation: