how to simplify -2n + 11 + 6n

Answer:

Step-by-step explanation:

Add two cube numbers and

one square

number.​

circumference of circle= 2x3.14r

1) radius is 9

2x3.14x9

18x3.14= 56.52

2) radius is 8

2x3.14x8

16x3.14= 50.24

3) radius is 5

2x3.14x5

10x3.14= 31.4

Answer: x=log      (64^-1/6)

                         10

Step-by-step explanation:  I took the test.

Hope this helps :)

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The value of the ratio based on the angle illustrated is 1:12.

From the information given, it should be noted that the angle in a circle is 360°. Therefore, the value of theta will be:

= 360° - 330°

= 30°

The equivalent expression based on the angle will be:

= 30/360

= 1/12

= 1:12

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Answer:

4.5 in on ed

Step-by-step explanation:

Answer:

4.5

Step-by-step explanation:

Because we are trying to find the length, we are going to need to change the equation in order to isolate L.

You divide wh with v.

V/wh = L

Now, since the quantity of the volume is 138.24, we divide that by 9.6 x 3.2

Solve 9.6 x 3.2.  This would give you 30.74.

Divide 138.24 by 30.74 and your answer should be 4.497...

Rounding that by the nearest 10th would get you 4.5!

If the dilation is centered at the origin, determine the vertices of polygon A′B′C′D′ are: D. A′(−2.4, 3.6), B′(−1.2, 1.2), C′(2.4, −1.2), D′(2.4, 2.4).

In Geometry, dilation can be defined as a type of transformation which typically changes the size of a geometric object, but not its shape. This ultimately implies that, the size of the geometric object would be increased or decreased based on the scale factor used.

Next, we would have to dilate the coordinates of the preimage by using a scale factor of 3/5 centered at the origin as follows:

Ordered pair A (-4, 6) → Ordered pair A' (-4 × 3/5, 6 × 3/5) = Ordered pair A' (-2.4, 3.6).

Ordered pair B (-2, 2) → Ordered pair B' (-2 × 3/5, 2 × 3/5) = Ordered pair B' (-1.2, 1.2).

Ordered pair C (4, -2) → Ordered pair C' (4 × 3/5, -2 × 3/5) = Ordered pair C' (2.4, -1.2).

Ordered pair D (4, 4) → Ordered pair D' (4 × 3/5, 4 × 3/5) = Ordered pair D' (2.4, 2.4).

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Answer: 22

Step-by-step explanation:

3 times 5 then add 7

Answer:

Step-by-step explanation:

Answer:

10

Step-by-step explanation:

\(45*\frac{1}{3} *\frac{2}{3} =45*\frac{2}{9} =10\)

2/3 of the houses sold is equivalent to 1/3 of the houses remaining, so multiply the original number by 1/3 and 2/3 (since 1/3 of the remaining sold this month) to get the # of remaining houses.

Answer:

For A 150-20%=120

B 120/2=60

For short A=120 B=60

Answer:

0.18 meters taller

Step-by-step explanation:

1 7/10 → 1.70

1.88

-1.70

---------

0.18

Answer:

42

Step-by-step explanation:

the 2 part of the ratio refers to 14 girls , then

14 ÷ 2 = 7 ← value of 1 part of the ratio , so

4 parts = 4 × 7 = 28 ← number of boys

total members = 14 + 28 = 42

Answer:

42 members

Step-by-step explanation:

→ girls to boys = 2 : 4

consider them as units.

2 units → 14

1 units → 7

there are total ( 2 + 4)  = 6 units

6 units → 6 * 7

total members → 42 members

You need to add 3 5/9 to make 8. If you want to know what 4 4/9 goes to, to make 8, do the opposite which is subtracting. 8 turn to 7 9/9 and then subtract 4 4/9 and then you get the answer aka 3 5/9.

The new price of the item is equivalent to $3.25.

Given is that the price of an item has been reduced by 95%. The original price was $65

Assume the new price to be $[x]. So, we can write -

x = 65 - {95% of 65}

x = 65 - {(95/100) x 65}

x = 65 - {6175/100}

x = 65 - 61.75

x = 3.25

Therefore, the new price of the item is equivalent to $3.25.

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Answer:

D. 3.2

Step-by-step explanation:

Mid-segment Theorem of a triangle states that the Mid-segment in a triangle is half of the third side of the triangle.

Based on this theorem, we have: TV = ½(RS)

TV = 3n - 2

RS = n + 12

Substitute

3n - 2 = ½(n + 12)

Multiply both sides by 2

2(3n - 2) = (n + 12)

6n - 4 = n + 12

Collect like terms

6n - n = 4 + 12

5n = 16

Divide both sides by 5

5n/5 = 16/5

n = 3.2

Step-by-step explanation:

Heron's formula when all 3 sides (a, b, c) are given :

s = (a + b + c)/2

A = sqrt(s(s-a)(s-b)(s-c))

in our case

s = (34+73+89)/2 = 98

A = sqrt(98(98-34)(98-73)(98-89)) =

= sqrt(98×64×25×9) = sqrt(98)×8×5×3 =

= sqrt(2×49)×120 = sqrt(2)×7×120 =

= sqrt(2)×840 = 1,187.939392... ≈ 1,188 in²

Answer:

Step-by-step explanation:

B is the answer

Answer:

your answer would be 0 mark as brainliest

Answer:

198

Step-by-step explanation:

If you add 11,18, 19, 81, 88, 89, 91, 98, 99 then the sum would be 594 then dividing by 3 would be 198.

PLZ MARK BRAINLIEST!!!

Answer:

d= 4

Step-by-step explanation:

Answer:

foreal

Step-by-step explanation:

Answer: 51/50

Step-by-step explanation:   102/100 = 51/50

because you divide both by 2 which is the answer

Answer:

I’m so sorry I wish I could help

Step-by-step explanation:

Answer: So each hour represents 30°.

The minute hand moves 60s per minute and a full rotation is 360° so: 360/60 = 6° per minute.

So in 20 minutes the minute hand will be 6 * 20 = 120° and the hour hand will be 120/12 = 10°.

so it would be 10°

hope this helps have a nice day❤️

Step-by-step explanation:

Answer:

The answer is 32

Step-by-step explanation:

The formula for finding the area of a trapezoid is:

         ((base 1 + base 2)/ 2 )* h

Now all you have to do is substitute the numbers in.

Note: bases will always be the ones like 12 and 4 in this case. We have just named then 1 and 2.

Answer:

32 square units

Step-by-step explanation:

\(\displaystyle A=\frac{1}{2}(b_1+b_2)h=\frac{1}{2}(12+4)(4)=\frac{1}{2}(16)(4)=\frac{1}{2}(64)=32\)

Note that \(b_1\) and \(b_2\) are the lengths of each base of the trapezoid, so it doesn't matter which is which.

Answer:

I think the area is 24

Step-by-step explanation:

W

L=2w-3

Area=(L×w)

65=[(2w-3)×w]

65 =(2w²-3w)

65=2w²-3w

2w²-3w-65=0

by using the quadratic equation

you'll get 2 values in which one will be negative

Obviously a length can't be negative so you take the positive.

w=6.5m

L=2(6.5)-3

=10m

Answer:

Answer is -5/8

Step-by-step explanation:

Y2-Y1/X2-X1

Answer:

A: (2,2) B: (3,-1) C: (-1,0)

Step-by-step explanation:

Change the coordinates of each point using the given translation. So 2 left 3 up.

Answer:

a) The 90% confidence interval to estimate the proportion of family-owned businesses without strategic business plans is (0.4768, 0.5032). This means that we are 90% sure that the true proportion of all family-owned businesses without strategic business plans is between these two values.

b) Wider

Step-by-step explanation:

Question a:

In a sample with a number n of people surveyed with a probability of a success of \(\pi\), and a confidence level of \(1-\alpha\), we have the following confidence interval of proportions.

\(\pi \pm z\sqrt{\frac{\pi(1-\pi)}{n}}\)

In which

z is the z-score that has a p-value of \(1 - \frac{\alpha}{2}\).

In a survey of randomly selected 3,900 family-owned businesses with revenues exceeding $1 million a year, it was found that 1,911 of them had no strategic business plan.

This means that \(n = 3900, \pi = \frac{1911}{3900} = 0.49\)

90% confidence level

So \(\alpha = 0.1\), z is the value of Z that has a p-value of \(1 - \frac{0.1}{2} = 0.95\), so \(Z = 1.645\).

The lower limit of this interval is:

\(\pi - z\sqrt{\frac{\pi(1-\pi)}{n}} = 0.49 - 1.645\sqrt{\frac{0.49*0.51}{3900}} = 0.4768\)

The upper limit of this interval is:

\(\pi + z\sqrt{\frac{\pi(1-\pi)}{n}} = 0.49 + 1.645\sqrt{\frac{0.49*0.51}{3900}} = 0.5032\)

The 90% confidence interval to estimate the proportion of family-owned businesses without strategic business plans is (0.4768, 0.5032). This means that we are 90% sure that the true proportion of all family-owned businesses without strategic business plans is between these two values.

Question b:

The margin of error is:

\(M = z\sqrt{\frac{\pi(1-\pi)}{n}}\)

The higher the confidence level, the higher the value of z, thus the higher the margin of error and the interval is wider. Thus, a 99% confidence interval is wider than a 90% confidence interval.