The world's oldest bride was 19 years older than her groom. Together, their ages totaled 185 years. How old were the bride and the groom?

Answers

Answer 1

Answer: (x+19)=x

(x+19)+x= 185
x+x+19=185
2x= 185-19
2x=166
x=83

the oldest bride is x+19
83+19= 102

Answer 2

Answer: x = bride age
y = grooms age
$\left \{ {{x+y=185} \atop {x=y+19}} \right. \n (y+19)+y=185 \n y+19+y+185 \n 2y+19=185 \n 2y+19-19=185-19 \n 2y= 166 \n y=83 \n \n x=y+19 \n x=83+19 \n x= 102$
The bride is 102 years old, while the groom is 83 years old.

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Suppose is a semester that 38% of students at a college failed mathematics, 27% failed physics, and9% failed both. A student is selected at random. a)If a student failed physics, what is the probability that he or she failed math? b)If a student failed math, what is the probability he or she failed physics? c) What is the probability that he or she failed math or physics?

Tom took a trip of 1,020 miles . He traveled by train at 55 miles an hour and the same number of hours by plane at 285 mph . How many hours did the trip take?

Answers

The number of hours Tom took a trip of 1,020 miles is 3 hours.

Given that, Tom took a trip of 1,020 miles.

What is the speed?

The speedformula can be defined as the rate at which an object covers some distance. Speed can be measured as the distance traveled by a body in a given period of time. The SI unit of speed is m/s.

Tom traveled by train at 55 miles an hour and the same number of hours by plane at 285 mph.

Let the number of miles travelled by train be x. Then, the number of miles travelled by plane be 1020-x.

Time = x/55 = (1020-x)/285

⇒ 285x = 55 (1020-x)

⇒ 285x = 56100 - 55x

⇒ 285x + 55x = 56100

⇒ 340x= 56100

⇒ x = 56100/340

⇒ x = 165 miles

So, time = 165/55 = 3 hours

Therefore, the number of hours Tom took a trip of 1,020 miles is 3 hours.

To learn more about the speed, distance, and time visit:

brainly.com/question/4978052.

#SPJ5

Answer:

He traveled 3 hours by train and 3 hours by plane, so the trip take 6hours.

Determine whether the sequence is arithmetic or geometric.sequence 1: 32, 16, 0, –16, ...
sequence 2: 32, 16, 8, 4, ...
which of the following statements are true regarding sequence 1 and sequence 2.

sequence 1 is arithmetic and sequence 2 is geometric.
both sequences are arithmetic.
both sequences are geometric.
sequence 2 is arithmetic and sequence 1 is geometric.

Answers

S1.
32, 16, 0, -16, ...
It's an arithmetic sequence:
$a_1=32;\ d=16-32=-16\n\na_n=a_1+(n-1)d\n\na_n=32+(n-1)\cdot(-16)=32-16n+16=48-16n$

S2.
32, 16, 8, 4, ...
It's a geometric sequence:
$a_1=32;\ r=16:32=(1)/(2)\n\na_n=a_1r^(n-1)\n\na_n=32\cdot\left((1)/(2)\right)^(n-1)$

Answer: sequence 1 is arithmetic and sequence 2 is geometric.

1 Simplify Expression 1.
(D+5)+(d+5)+(d+5)

Answers

Answer:

Final Answer: 3d+15

Step-by-step explanation:

d+5+d+5+d+5

5+5+5= 15

d+ d+ d= 3d

Solve 24x + 2y = 48 for y.

Answers

Answer:

y = 24 - 12x

Step-by-step explanation:

24x + 2y = 48

Get 2y by itself and subtract 24 x on both sides.

24x + 2y = 48

-24x -24x

2y = 48 - 24x

To have y all by itself, divide by 2 on both sides.

2y = 48 - 24x

/2 /2

(You have to divide 2 by everything on the other side so...)

y = 24 - 12x

Hopefully this helped you out...have a great day c:

The hour hand of a clock moves from 3 to 8 o'clock through how many degrees does it move

Answers

The number of degrees does it move is 150 degrees.

The following things should be considered:

Since there are 12 parts.
Each one should we 30 degrees i.e. $= 360/ 30$
Now 8 - 3 = 5
So, the angle should be $= 5* 30$ = 150 degrees.

Therefore we can conclude that The number of degrees does it move is 150 degrees.

Learn more: brainly.com/question/17429689

There is a picture.
There 12 parts. Each one is 360/12=30°.
8-3=5 we have.
So, the angle will be 5*30=150°.

How do i find the slope

Answers

Answer:

Step-by-step explanation:

Pick 2 points: (-3,2) and (1,-1) I chose these points because they are whole numbers, but you can choose any 2 points

Slope: -0.75 or -3/4; Negative because the line is going down from left to right

y2-y1/x2-x1

-1-2/3-(-3)= -0.75

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Suppose that you have a $2,000 balance on a credit card with a 7.99% annual interest rate, and you can afford to pay $150 per month toward this debt. a. Find the amount of time it takes to pay off this debt. Give your answer in months and years.b. Calculate the total amount paid over the life of the debt.