The sum of the three Romano brothers is 63. If there ages can be represented as consecutive integers, what is the age of the middle brother.

Answers

Answer 1

Let the age of the middle bother be x.
The oldest brother is 1 year older than the middle brother,so his age is x + 1.
The youngest brother is 1 year younger than the middle bother, so his age
is x - 1.

Add the three ages and get 63.
x - 1 + x + x + 1 = 63

3x = 63

x = 21

Answer: The age of the middle brother is 21.

Related Questions

3×1 1/2=3×6/3=18/3=6

Answers

Hannah completed the multiplication below and said she needed 6 cups of chips for 3 batches of bars. Hannah completed the multiplication below and said she needed 6 cups of chips for 3 batches of bars. Whats Hannah's error?
3*1 2/3 = 3 *6/3=18/3=6
Possible explanation: Hannah did not write the mixed number, 1 2/3, as a fraction correctly, 1 2/3 is not equal to 6/3

5 cups: explanation: first 1 wrote 1 2/3 as a fraction. 1 2/3 = 3/3+2/3=5/3, then I multiplied 3 x 5/3 = 15/3=5 = True
Thus: Hannah needs 5 cups for 3 batches of bars

A table has 16 glasses on it. 7of the glasses are large. The rest are small. How many glasses are small?

Answers

9? Unless it’s a trick question

There are 9 small glasses on the table

A provider order has been received for a dobutamine (dobutrex®) drip at 7 mcg/kg/min. the patient's weight is 220 lbs. how many milligrams per hour should be given?

Answers

To figure this out you first need to determine how many kg there are in 220 lbs. 1 lb equals 0.454 kg, so 220 lbs= 99.88 kg.

It states that a patient receives 7mcg per kg per minute, so the patient will receive 7 x 99.88=699.16 mcg per minute.

You need to convert this to a number of mcg per hour, so multiply the amount by 60 to get 41949.6 mcg per hour.

Final answer:

The patient's weight is first converted from lbs to kg, resulting in 100 kg. The dosage in micrograms per hour is then found to be 42000 mcg/hour. Lastly, this is converted to milligrams to give a final dosage of 42 mg/hour.

Explanation:

This is a question pertaining to medical dosage calculations. First, we need to convert the patient's weight from pounds to kilograms since our dosage is based on that unit. We know that 1 kg equates to approximately 2.2 lbs. So, the patient's weight in kilograms would be 220 lbs/2.2 = 100 kg.

Now, we can use the patient's weight to find the dosage per minute: 7 mcg/kg/min * 100 kg = 700 mcg/min. But the question asks for the dosage per hour, so we must convert minutes to hours: 700 mcg/min * 60 min/hour = 42000 mcg/hour. Finally, we need convert from mcg to mg as the question asked for the amount in milligrams. Since there are 1000 mcg in 1 mg, the dosage becomes: 42000 mcg/hour / 1000 = 42 mg/hour.

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Given the function f(x) = 2x-5/3, which of the below expression is correct?

F^-1(x) = 5-2x/3

F^-1(x) = 3x-5/2

F^-1(x) = 3x+5/2

F^-1(x) = -2x - 5/3

Answers

I think you’re subtracting 5. So now it’s f^-1(x)= 3x+5/2. Not too sure but hope this may help. So, C.

The line plots show the number of hours two groups of teens spent online last week. How does the data compare for the two groups of teens? The 16- to 18-year olds spent about the same hours online, on average, as the 13- to 15-year olds. The mode for the hours spent online for the 13- to 15-year olds is greater than the mode for the hours last week for the 16- to 18-year olds. The median value for the hours spent online for the 13- to 15-year olds is greater than the median value for the hours spent online for the 16- to 18- year olds. The range of hours spent online for the 13- to 15-year olds is greater than the range of hours spent online for the 16- to 18-year olds.

Answers

From your choices above, the answer is C. The median value for the hours spent online for the 13- to 15-year olds is greater than the median value for the hours spent online for the 16- to 18- year olds.

Answer:

The 16- to 18-year olds spent about the same hours online, on average, as the 13- to 15-year olds.

Step-by-step explanation:

Just took the test and this was the answer, view the image below to see if its the right chart.

Lucy has a strawberry lace that is 36cm long. She needs pieces 18mm long to decorate a cake. How long is the 36cm one in mm

Answers

The strawberry lace is 36 cms long.
36 cms = 360 mm
(Because we multiply by 10, when we convert from cm to mm).

Given Lucy has a strawberry lace that is 36cm long.

The question is asking to convert 36 cm to mm.

1 centimeter is equal to 10 millimeters: 1 cm = 10 mm.

The distance 36 in millimeters (mm) is equal to the distance 36 in centimeters (cm) times 10

36 cm = 36x 10=360 mm

36 cm converted to mm is 360 mm.

The strawberry lace that is 36cm long in mm is equal to 360 mm.

Mr. Nelson is buying property in the shape of a triangle to build a new house. If the property costs $42.50 per square foot, how much will he pay?

Answers

First, you find the area of the figure. Use the formula a=h(b/2)

a=h(b/2)
a=47(98/2)
a=47(49)
a=2303

Now, you multiply that by $42.50 to find out how much he will pay.

2,303x42.50=97,877.50.

He will pay $97,877.50.

To find the area of a triangle, multiply the base by the height and divide by 2.
The figure shows a base of 98 ft and a height of 47 ft.

[tex] A = \dfrac{bh}{2} [/tex]

[tex] A = \dfrac{98~ft \times 47~ft}{2} [/tex]

[tex] A = 2,303 ~ft^2 [/tex]

Now that we know the area, we multiply it by the cost of the land per square foot.

2,303 ft^2 * $42.50/ft^2 = $97,877.50

He must pay $97,877.50

suppose you spina spinner numbered 1 through 6, and you sa 3 five times in a row.What is the theoretical possibility of spinning a 3 on the next spin

Answers

it would still be a 1/6th chance that you will gey the number three. i would say that just because you got 3 5 times in a row will not increase or decrease your chances of another 3.

Pedro wants to paint his room, which is 12.5 feet by 11.5 feet, with an 8-foot-high ceiling. How many total square feet will Pedro need to paint?

Answers

Maybe 7.36 set up a proportion

PLEASE, PLEASE HELP ME

Answers

Ok 12356. Hope this helps

if you use the distributive property the 3(a+b) will equal to 3a +3b

find the surface of the area of the rectangular prism 16m 5m 14m

Answers

Total Surface Area = 2(16 x 5) + 2(5 x 14) + 2(14 x 16)
Total Surface Area = 160 + 140 + 448
Total Surface Area = 748 m²

------------------------------
Answer: 748 m²
------------------------------

Last summer, Mike received a tip from 35% of his babysitting customers. If he had 20 customers, how many customers gave Mike a tip?

Answers

7 I think because you multiply 20 times 0.35

To solve you'll set up a proportion.

35/100 = x/20

cross multiply.

100x = 700

Now divide by 100.

x = 7

An airplane takes 5 hours to travel a distance of 3300 miles with the wind. The return trip takes 6 hours against the wind. Find the speed of the plane in still air and the speed of the wind.

Answers

The speed with the wind is (3300 mi)/(5 h) = 660 mi/h.
The speed against the wind is (3300 mi)/(6 h) = 550 mi/h.

The speed of the plane in still air is the average of these speeds, 605 mi/h.
The speed of the wind is the difference between the plane's speed in still air and its speed in moving air, 55 mph.

Final answer:

The speed of the plane in still air is 605 miles per hour and the wind speed is 55 miles per hour. This is found through solving simultaneous equations derived from the given distance, and time taken both with and against the wind.

Explanation:

In this problem, the plane's speed in still air can be denoted as 'p' and the wind speed as 'w'. Given the total distance of the trip as 3300 miles, the total time with the wind as 5 hours, and the total time against the wind as 6 hours, we can create two equations: p + w = 3300/5 = 660 miles/hour (with the wind) and p - w = 3300/6 = 550 miles/hour (against the wind).

These equations can be solved simultaneously to get the values of 'p' and 'w'. By adding the two equations, we get 2p = 660 + 550 = 1210. Dividing by 2 gives p = 605 miles/hour. With the value of 'p' we can find 'w' by substituting p = 605 into either of the original equations (let's use p - w = 550): 605 - w = 550, which leads to w = 55 miles/hour.

So, the speed of the plane in still air is 605 miles per hour and the speed of the wind is 55 miles per hour.

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Find two ratios equal to the given ratio : 1/5:1 3/5

Answers

Hi there!

To find two ratios equal to the given ratio, all we need to do is multiply both sides of the ratio by the same number.

1:3 is an equal ratio because we multiply both sides of it by 5.

2:6 is also an equal ratio because we multiply both sides by 10.

Hope this helps!

Carissa also has a sink that is shaped like a half-sphere. The sink has a volume of 2000/3[pie] in^3. One day, her sink clogged. She has to use one of two conical cups to scoop the water out of the sink. The sink is completely full when Carissa begins scooping.

(a) One cup has a diameter of 4 in. and a height of 8 in. How many cups of water must Carissa scoop out of the sink with this cup to empty it? Round the number of scoops to the nearest whole number.

(b) One cup has a diameter of 8 in. and a height of 8 in. How many cups of water must she scoop out of the sink with this cup to empty it? Round the number of scoops to the nearest whole number.

Help ASAP!
Please Be Sure Answer is 100% CORRECT!

Answers

I have these same questions but the way i solved them i did

A: 1/3 x 3.14 x 2*2 x 8 = 32/3 = 2000 divided by 32 = 63 scoops
The formula is 1/3 x 3.14 x r*2 x h
B: 1/3 x 3.14 x 8*2 x 8 = 128/3 = 2000 divided by 128 = 16 scoops

The area of a rectangular city park is 25/54 square miles. The length of the park is 5/9 miles. What is the width of the park?

Answers

Hi

We know that Area= length * width right?

So this is what we do.

Total area/length

25/54 / 5/9

You get the width to be 5/6

CHECK:
5/6*5/9=25/54

Hope this helps :)

Estimate how many 12 inch rulers will be about the same length as a sheet of paper

Answers

The answer is 1 that's what I got cus I actually mesured my paper and it is 11 inches so it's 1 plz gimme brainliest!!!!

The correct answer is one 1.

A parachutist's speed during a free fall reaches 207 kilometers per hour. What is this speed in meters per second? At this speed, how many meters will the parachutist fall during 20 seconds of free fall? Do not round your answers.

Answers

The speed is 57.5 m/s and the parachutist will fall 1150 m in 20 seconds.

Explanation:
We start out with the ratio 207 km/1 hr.

We know that 1 km = 1000 m; this means 207 km = 207*1000 = 207000 m. This gives us 207000 m/1 hr.

We know that 1 hr = 60 minutes, so we have 207000 m/60 min.

We also know that 1 min = 60 seconds, so 60 min = 60*60 = 3600 sec; this gives us 207000 m/3600 sec.

Dividing this, we get 57.5 m/s.

In 20 seconds, the parachutist will fall 57.5(20) = 1150 m.

Answer:

1150 meters

Step-by-step explanation:

Speed of parachute = 207 kilometers per hour

Speed of parachute in meter /second = (207 x 1000)/ (60 x 60)

= 57.5 meter /second

Parachute fall for 20 seconds with a speed of 57.5 meter /second, Thus the distance covered in 20 seconds

= 57.5 meter /second x 20 seconds

= 1150 meters.

Match each prism with its volume. Ignore units.

ITEMBANK: Move to Top
36
45
216
250
546
60

Answers

1. 5x5x10= 250in 3. 3x3x5=45ft 4. 8x8x8=216 I can't see the numbers for the 2nd rectangular prism, you would simply just multiply those 3 numbers together to get the volume.

Prism 1) 4×5×3 = 60
Prism 2) 5×5×10 = 250
Prism 3) I can't see the numbers but I'm guessing the answer would be 546, as it's the only one left.
Prism 4) 5×3×3 = 45
Prism 5) 6×6×6 = 216
Hope this helps, although, if you don't understand something, ask me!

Help asap pleaseeeeeeeeeeeeeeeeee

Answers

Hey there :)

A radius is a straight line from the centre of a circle to its circumference

So in this example, Line A F is the radius of circle F (your second option)

PLEASE HELP RIGHT NOW! 15pts Square RSTU is constructed with line PQ drawn through its center. If the square is dilated using a scale factor of one over two(1/2) and a line is drawn through the center of the new dilated figure, what relationship will the new line have with line PQ? Explain your reasoning using complete sentences.

Answers

The line would lie on the same line as original but it will be 1/2 the length.

The line PQ will also dilate using a scale factor of 1/2 and length becomes PQ/2.

What is dilation?

Dilation is the process of increasing an object's size without altering its shape. Depending on the scale factor, the object's size may increase or shrink. A square of side 5 units can be widened to a square of side 15 units using dilation math, but the square's shape doesn't change.

Given that,

A square is RSTU.

Also, a line PQ drawn through the center.

When the square is dilated using a scale factor of 1/2,

The line that is drawn through the center will also be dilated.

Hence, the line PQ will be dilated by 1/2,

And the length of line will be PQ/2.

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For your party you purchased balloons for $.79 each. You spent a total of $11.85. About how many balloons were purchased?

Answers

15 ballons were purchased

Let us suppose the number of balloons purchased is x in number.

It is given balloons are purchased for $.79 each

Cost of x balloons = .79x.

Total amount spent on purchasing balloons = $11.85

Cost of x balloons = Total cost of balloons.

.79x=11.85

With x .79 is multiplied .Opposite of multiplication is division.

We perform the opposite operation both sides

Dividing both sides by .79

x=11.85÷.79

x=15

Total number of balloons purchased is 15.

the bottom of a circular swimming pool with a diameter of 30 feet is painted blue. How many square feet are blue?

Answers

The blue area covers 225π square feet.

The area of the circular pool:

Radius (r) = Diameter/2 = 30 feet / 2 = 15 feet

Area = πr^2 = π(15 ft)^2 = 225π square feet

Thus, the total area painted blue is:

225π square feet

In a survey of 398 students, 52% said they loved music. Use estimation to explain how many students loved music. PLZ HELP I HAVE THIS FOR HOMEWORK RIGHT NOW AND I NEED TO FINISH IT!!!!!

Answers

52 percent of 398 is 206.96 that's the answer

We have 398 students with 52% that love music. To find the percentage for this problem, we can use this equation.
S= total number of students in the survey
M= music lovers
S• (52/100)=M
We have to divide the percentage by 100 because that allows use to calculate under 1, so there isn’t an increase in anyway, it should be less than the initial number. So if we multiply 398 by 52, we would get more than 100 percent, using 1 as 100 for percentages allow for an increase or decrease.
398•.52=206.96
For estimation, we can say there are about 400 students and we have to find 50%. Half of 400 is 200, which is a close estimate. So around 200 students in the school share a love of music.

Aiden needs 15 liters of cleaning solution. He can buy a 2-gallon jug ($4.28) a 3 gallon jug ($5.92) a 4 gallon jug ($6.56) a 7 gallon jug ($12.98). Which jug should he purchase to get at least 15 liters of cleaning solution and spend the least amount of money?

Answers

We need 15 liters
2 gallon jug 4.28*2=8.56 1 gallon=3.78, 2 gallons=7.57 liters

3 gallon jug 5.92*3=17.76 3 gallons=11.35 liters

4 gallon jug 6.56*4=26.24 4 gallons=15.14 liters

the best solution is to buy 2 times the 2 gallon jug because he will spent
8.56*2=17.12 for 4 gallons(aprox 15 liters)
instead of the 4 gallon jug which costs 26.24

7 gallon this is more expensive and he does not that much solution

Aiden should purchase a 4-gallon jug ($6.56) to get at least 15 liters of cleaning solution and spend the least amount of money.

What is unit conversion?

It is defined as the conversion from one quantity unit to another quantity unit followed by the process of division, and multiplication by a conversion factor.

It is given that:

Aiden needs 15 liters of cleaning solution.

He can buy a 2-gallon jug ($4.28) a 3-gallon jug ($5.92) a 4-gallon jug ($6.56) a 7-gallon jug ($12.98).

As we know,

1 gallon = 4.54 liters

2 gallon = 9.09 liters

3 gallon = 13.63 liters

4 gallon = 18.18 liters

7 gallon = 31.82 liters

Thus, Aiden should purchase a 4-gallon jug ($6.56) to get at least 15 liters of cleaning solution and spend the least amount of money.

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15 POINT QUESTION Which polynomial is a quintic trinomial?
A) −x^4−5x^2+1
B) x^3+2x^2−8x+16
C) 3x^5+7x^2−9x^4
D) x^2 + 4

Answers

A quintic polynomial means a polynomials who's highest exponent value is 5. And a trinomial is a polynomial that has exactly three terms. So the answer is C

The quintic polynomial is [tex]3x^5+7x^2-9x^4[/tex]. Therefore, option C is the correct answer.

What is a quintic trinomial?

A quintic function is defined by a polynomial having highest degree five. A trinomial is defined as a polynomial having three terms. Therefore, a quintic trinomial refers to a polynomial having three terms with a highest power five.

Here, the polynomial [tex]3x^5+7x^2-9x^4[/tex] has the highest power 5.

So, the polynomial [tex]3x^5+7x^2-9x^4[/tex] is a quintic polynomial.

The quintic polynomial is [tex]3x^5+7x^2-9x^4[/tex]. Therefore, option C is the correct answer.

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Last week, you finished Level 2 of a video game in 32 minutes. Today, you finished Level 2 in 28 minutes. What is your percent of change?

Answers

The first step to solve this problem is to compute how much change in minutes were you able to have today compared to the last week.

32 minutes – 28 minutes = 4 minutes faster than last week

To compute the percent of change you have to divide the change in minutes to the duration in minutes for the last week:

4 minutes / 32 minutes = 0.125 or 12.5% faster than last week

Pre-Algrebra help neededdd!!!!

Answers

Your answer would be D.

if this answer is incorrect, then i am sorry..

Answer:

it is d

Step-by-step explanation:

Find the missing length for a right triangle with hypotenuse of 18 and a leg length of 6. Round to the nearest whole number if necessary. (1 point) a) 17 b) 324 c) 19 d) 36

Answers

[tex] a^2 + b^2 = c^2 [/tex]

[tex] a^2 + 6^2 = 18^2 [/tex]

[tex] a^2 + 36 = 324 [/tex]

[tex] a^2 = 288 [/tex]

[tex] a = \sqrt{288} [/tex]

[tex] a = \sqrt{144 \times 2} [/tex]

[tex] a = 12\sqrt{2} [/tex]

[tex] a \approx 17 [/tex]

if you want it rounded its 16.97 or 16.9

-22< m-57 solve this please
thankyouu

Answers

Isolate the m, add 57 to both sides

-22 (+57) < m - 57 (+57)

simplify

-22 + 57 < m

answer: 35 < m

hope this helps

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