help me pls i have one topic left

The length of the metal frame that surrounds the trampoline can be calculated by subtracting the diameter of the mat from the diameter of the metal frame and then multiplying by π.

The diameter of the mat is 16 feet and the diameter of the metal frame is 18 feet, so the difference is 18 - 16 = 2 feet.

The length of the metal frame can be calculated as follows:

Length = π * (difference in diameter) = 3.14 * 2 feet = 6.28 feet

So, the length of the metal frame is 6.28 feet, which is closest to option a, 50.2 feet. The answer is therefore a.

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Explanation:

Let's say the tub is 30 gallons. I'm picking this number because it's the LCM of 10 and 15. Picking the LCM means that later division operations result in a whole number.

The hot tap takes 10 minutes to fill the tub. Its rate is 30/10 = 3 gallons per minute.

Rate = (amount done)/(time)

The cold tap works at a rate of 30/15 = 2 gallons per minute.

When both taps are running at the same time, they combine to a total rate of 3+2 = 5 gallons per minute. Therefore, it will take 30/5 = 6 minutes if both taps are opened.

Time = (amount done)/(rate)

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Another approach:

The hot water tap takes 10 minutes to do 1 job. That "1 job" refers to "fill the bathtub". The unit rate here is 1/10 of a job per minute.

Meanwhile, the cold tap has a unit rate of 1/15 of a job per minute.

The combined rate is 1/10 + 1/15 = 3/30+2/30 = 5/30 = 1/6 of a job per minute.

x = number of minutes it takes to fill the bathtub if both taps are going at once.

We can say:

(unit rate)*(time) = amount done

(1/6 of a job per min)*(x minutes) = 1 job

(1/6)x = 1

x = 6 minutes is the final answer

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Another approach:

The template for problems like this is:

1/A + 1/B = 1/C

where

We end up with the equation

1/10 + 1/15 = 1/x

This can be rearranged into

(1/10+1/15)x = 1

and also rearrange into

(1/6)x = 1

Follow the steps mentioned earlier to end up with 6 minutes as the final answer

Answer:

Change in temperature is +8° C

Step-by-step explanation:

Change in temperature = Final temperature - Initial temperature:

                                =ΔT = [tex]F_{T} - I_{T}[/tex]

                                        = (- 2° C)- (- 10° C)

                                        = [tex]- 2 + 10[/tex]

∴ Change in temperature  = + 8° C

Answer:

Step-by-step explanation:

Velocity is change in displacement over change in time.

v = d/t

In this problem, d = 1.6 km and t = 20 minutes

To find the velocity, divide 1.6 by 20, and you get 0.08 km/min.

You could also convert this to km/hour by dividing 1.6 km by 1/3 hours, and the velocity would be 4.8 km/hour.

Answer: 2/15 and 9/10

Step-by-step explanation:

Set up cross-multiplication.

If Michelle reads 1/3 book in 2 1/2 hours, she reads X in 1 hour.

                      1/3          2 1/2

                          x           1

1/3 = 2 1/2 x

divide by 2 1/2

1/3 divided by 2 1/2 = convert 2 and a half to 5/2

1/3 divided by 5/2 - keep, change, flip. (your teacher should have covered a method like that)

1/3 times 2/5 is 2/15.

For question 2, lets do the same thing.

3/5 times 2/3 equals x times 1

3/5 times 1 is 3/5

2/3 times x is 2/3x

(this looks better on paper)

3/5=2/3x

divide by 2/3

answer - he will finish 9/10 assignment in the hour

Answer: Pretty positive it would be 2/12 because the bottom numbers are the same so nothing happens to them. 5-3 is 2 so 2/12

Step-by-step explanation:

Answer: 376

Step-by-step explanation:

Surface Area = 2×(2×14 + 2×10 + 14×10) = 376 feet

Answer:

14) 20 + x + y

15) y + x + 20

Step-by-step explanation:

Question 14 Explanation:

This question is asking for the total number of books sold on both days.

First Day:

Second Day:

To find the total number of books sold on both days, you add all of these values up:

It doesn't matter in what order you express this thanks to the Communatitive Property of Addition explained below.

Question 15 Explanation:

The Communatitive Property of Addition states that the order of addends do not change the sum. In other words, you can put the addends in any order you want and still get the same sum. You can express 20 + x + y in any order to answer this question (e.g. 20 + y + x, y + x + 20, etc)

Hope this helped!

Answer:

21

Step-by-step explanation:

The area of a triangle is (1/2) * base * height. In this case, the base is the distance between (-5, -2) and (1, -2), meaning it's 6 units. The height is the distance from (-3, 5) to the line y = -2, so the height is 7 units. So, the area is (1/2) * 6 * 7 = 21 square units

Answer:

258 ft

Step-by-step explanation:

seperate the polygon into two boxes that way u have one big box that is 21 ft in width and 8 ft in height. Then multiply 21*8 to find the area of the box which is 168.

for the other box you can find the height by subtracting 18 ft and 8 ft from the first box which gives a height of 10 ft. To find the wisth you have to subtract 21-12 which is 9. Now you can multiply 10*9=90

Add the two boxes together:

90+168=258

Answer:

Answer is in the attached photo.

Step-by-step explanation:

The solution is in the attached photo, do take note to solve this question, angles properties must be used.

Answer:

x=48°

Step-by-step explanation:

We can see the line at the top. 52°+y+59°=180° because these angles are supplementary angles. We can solve this problem:

52°+y+59°=180°

y=180-52-59

y=180-111

y=80-11

y=69°

because the angles in a triangle add up to 180°, y+63°+x=180°, or

69°+63°+x=180°

We can solve it from here:

69+63+x=180

120+12+x=180

132+x=180

x=180-132

x=80-32

x=48°

PLEASE GIVE BRAINLIEST!

thank you and have a good day :)

Answer:

First question's answer: 28y

Second question's answer: c + 12

Step-by-step explanation:

first question explanation:

7(4y) =28y

7 times 4 is 28, simply attach the y on.

Second question explanation

(0 + c) + 12 = c + 12

0 + c simplifies to just c

c + 12 cannot be simplified even more

hope this helps :)

Answer:

1. 28y

2.  c + 12

Answer:

The firsy option is correct.

Step-by-step explanation:

[tex]\frac{5}{16}[/tex] + 1 [tex]\frac{8}{16}[/tex]

Answer: The answers are n+8=15, 15-8=n,and 15-n=8

Step-by-step explanation:

The reason why its those three is because if you solve them they equal 7 as the missing number but if you try 15+n=8 it doesnt make any sense.

Answer: B

The poster is formed by a triangle and a rectangle, with their formula for the area being [tex]\frac{1}{2}[/tex] x base x height and base x height respectively.

Therefore, the area is  [tex]\frac{1}{2}[/tex] x 27cm x 12cm + 20cm x 15cm, answer being 462cm2 (b) .

Answer:

2/3

Step-by-step explanation:

5/9 ÷ 5/6 = 5/9 x 6/5 = 30/45 = 6/9 = 2/3

So, the answer is 2/3

Answer: The median is the middle number in a data set, better than a mean because in a mean, those outliers are part of the average. The IQR is the middle 50% of a data set, better than a regular range because it excludes any outliers on either end.

(っ◔◡◔)っ ♥

Hope this helps.

MM4343

The median and interquartile range are often preferred measures of center and variation when a data set contains outliers because they are robust to outliers.

The interquartile range (IQR) is a measure of data set variability or spread. It is the difference between a distribution's third and first quartiles (Q3), and it represents the range of the middle 50% of the data.

When a data set contains outliers, the median and interquartile range are often preferred measures of center and variation because they are robust to outliers.

Outliers are extreme values that are far outside the range of the remaining data points and can have a significant impact on measures of center and variation such as the mean and standard deviation.

Thus, when there are outliers in a data set, using the median and IQR as measures of center and variation, respectively, can provide a more accurate representation of the data set's central tendency and variability than using the mean and standard deviation, which are more sensitive to outliers.

For more details regarding interquartile range, visit:

https://brainly.com/question/29204101

#SPJ2  

Answer:

A

Step-by-step explanation:

because initial value is the beginning/start of anything

Answer:

C. $36.36

Step-by-step explanation:

You need to find the surface area of the box. Then, calculate how much it will cost.

SA = 2(wl + hl + hw)

SA = 2([11*8] + [6*8] + [6*11])

SA = 2(88 + 48 + 66)

SA = 2(202)

SA = 404 inches

9 cents per inch

0.09*404 = 36.36

Answer: 240



Step-by-step explanation: 8 x 10 = 80 and 8 x 20 = 160 so 80 + 160 = 240

Answer: the answer is 240

Step-by-step explanation:

first you multiply 10 by 8 (10 times 8) then you multiply 8 by 20 (8 times 20)  then add the two answers 80 + 160=?...

for help use L*w*h ( length times width times height)

Answer:

Reformatting the input :Changes made to your input should not affect the solution: (1): "n2"   was replaced by   "n^2".  1 more similar replacement(s).STEP 1:Trying to factor a multi variable polynomial  1.1    Factoring    m2 - mn + n2 Try to factor this multi-variable trinomial using trial and error  Factorization failsFinal result :  m2 - mn + n2

Step-by-step explanation:

.

Answer:

verbal irony

Step-by-step explanation:

Answer:

verbal irony

Step-by-step explanation:

Answer: X=  -4  

Step-by-step explanation:

4x+28= -6x-12 (28-28), (12-28)

4x= -6x - 40

(add 6x to both sides)

4x+ 6x= -6x-40 + 6x

(combine 4x+6x)

10x = -40

(divide 10)

10x/10x

-40/10x

X= -4

Answer:

20

Step-by-step explanation:

1 x 20 = 20

3 x 20 = 60

Answer:

First answer: 20

Second answer: 100 yd

Step-by-step explanation:

Hope this helps

Answer: 4-3a

Step-by-step explanation:

Answer:

The explanation is a little long sorry but I think the answer is B.

Step-by-step explanation:

To find the measure of an angle in the resulting triangle after a translation, we need to understand how translations affect angles.

When a figure is translated, its shape and size remain the same, but its position changes. Translations do not affect the measures of angles in a triangle. Therefore, the measure of an angle in the resulting triangle will be the same as the measure of the corresponding angle in the original triangle.

Since the translation is 6 units to the right and 3 units down, all three vertices of the triangle will move by the same amount. This means that the resulting triangle will have the same shape and size as the original triangle, just shifted to a different position on the coordinate grid.

Therefore, the measure of an angle in the resulting triangle will be the same as the measure of the corresponding angle in the original triangle.

Based on the information given, we cannot determine the measure of an angle in the resulting triangle. The answer options provided (A, B, C, D) do not specify any angles, so we cannot provide a specific measure.

Answer:

1

Step-by-step explanation:

To solve for x, we can isolate x on one side of the equation by undoing the operation of the expression inside the parentheses. To do this, we need to subtract 2 from both sides of the equation:

9 = 3(x + 2)

9 = 3x + 6

3 = 3x

Finally, we divide both sides by 3 to obtain:

x = 1

So, the value of x is 1.