Jina drove 693 miles in 11 hours at the same rate how many miles would she drive in 7 hours

Answers

Answer 1

Answer: 693 / 11 = 63, she drives 63 miles per hour.
63 x 7 = 441.

So she would drive 441 miles in 7 hours if going at the same speed of 63mph.

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Seth receives 100$ from his grandmother for his birthday he also saves 20$ every month tell whether the equation is linear or non-linear
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It's about proportion and stuff but I'm confused on this one can someone please explain?
The table below shows the amount of money, in hundreds of dollars, Elliot has saved after different numbers of years: Identify the function that represents Elliot's savings and the amount that Elliot will have saved in 9 years. y = 15x, in 9 years he will have saved $13,500 y = x + 15, in 9 years he will have saved $2,400 y = 6x, in 9 years he will have saved $5,400 y = x + 90, in 9 years he will have saved $9,900
The definition of an angle uses the undefined term _______ .A.Line B.Point C.Plane D.Ray

Scientists who study Atlantic salmon have found that the oxygen consumption of a yearling salmon O is given by the function O=100. 3^(3s/5) , where s is the speed that the fish is traveling in feet per second A) what is the oxygen consumption of a fish that is traveling at 5 feet per second ?
B) If a fish has traveled 4.2 miles in an hour. What is its oxygen consumption

Answers

$O=100\cdot3^{\tfrac{3\cdot5}{5}}\nO=100\cdot3^3\nO=100\cdot27\nO=2700\n\n4.2 \text{ mph}\approx6.16\frac{\text{ft}}{\text{s}}\nO=100\cdot3^{\tfrac{3\cdot6.16}{5}}\nO=100\cdot3^(3.7)\nO=100\cdot58.3\nO=5830$

Yuul ailswer is incorrect. Translate the sentence into an equation. Seven times the sum of a number and 2 is 6. Use the variable c for the unknown number.

Answers

I think the answer is
7(c+2)=6

The fastest elevators in the Burj Khalifa can travel 330 feet in just 10 seconds. How far does the elevator travel in 12 seconds?

Answers

Answer:

The elevator will travel 396 feet in 12 seconds.

Step-by-step explanation:

10 secs = 330ft

330/10 = 33

10 * 33 = 330

Hence,

12 * 33 = 396

12 secs = 396 ft

Hope this helps :)

Answer:

The answer is 396 feet per second.

Step-by-step explanation:

1) If it travels 330 feet in 10 seconds: 330 divided by 10 = 33 feet per second.

2) It travels at 33 feet per second, for 12, seconds, so then you just need to multiply 33 x 12, to get 396 feet per second, and that's your answer.

Hope this helps! Feel free to give me Brainliest if you feel this helped. Have a good day, and good luck on your assignment. :)

A flagpole broke in a storm. 7 meters are still sticking straight out of the ground, where it snapped, but the remaining piece has hinged over and touches the ground at a point 24 meters away horizontally.How tall was the flagpole before it broke?

Answers

32 meters tall.
It would form a right triangle, in which the shorter leg is 7m and the longer leg is 24m. You're looking for the last side, the hypotenuse. So use the Pythagorean theorem. a^2 + b^2 = c^2 , in which a and b are the legs and c is the hypotenuse.
Therefore, you get 7^2 + 24^2 = c^2.
Which is, 49 + 576 = c^2
Add, 625 = c^2.
Take the square root of 625, which is 25. So, the length of the hypotenuse (last side) is 25m. Add the 7m that is sticking out of the ground, to get 32m.

The broken part forms the hypotenuse of a right angled triangle.

So we have a right angled triangle, the vertical part is 7m, and the horizontal is 24m.

From Pythagoras' Theorem:

x² = 24² + 7²

x² = 576 + 49

x² = 625

x = √625

x = 25

So the broken part is 25m long.

The length of the flagpole before it was broken = 25 + 7

= 32m.

Really beautiful question.

I am a 3-digit number that is even. My hundreds and ones digits are the same and have a sum of 8. My tens digit is 2 less than my ones digit. What number am I ?

Answers

Let's start off with some key terms.

The number has 3 digits.
Even numbers end with 0, 2, 4, 6, or 8. (Obviously)

The hundreds digit and ones digit are the same.
First number in a 3 digit number is the hundreds, and the last number is the ones.

So, both of those two digits are the same and has to equal 8.

Well, $4+4=8$

The hundreds place and the ones place are 4.

The tens digit is the middle number in a 3-digit number.

It is two numbers less than the ones digit.
$4-2=2$

The number is 424.

$\bowtie$

424 I know because 4+4=8 and 4-2= 2 so I figured 424

3x+y=5 2x-2y=-2 solving systems of equations

Answers

$3x+y=5 \ \ /*2 \n 2x-2y=-2 \n \n 6x+2y= 10\n 2x-2y=-2 \n + ----- \n8x=8 \ \ / :8\nx=1 \n \n3*1+y=5 \n y=5-3\ny=2\n \n Answer : \n \n x=1 \n y=2$

3x+y=5
2x-2y=-2
x+3y=7
x+3y-3y=7-3y
x=7-3y
3(7-3y)+y=5
21-9y+y=5
21-8y=5
21-21-8y=5-21
8y=-16
8y/8=-16/8
y=-2
x=7/3

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There are 49,000 seats in a sports stadium. Tickets for the seats in the upper level sell for $25, the ones in the middle level cost $30 and the ones in the lower level are $35 each. The number of seats in the middle and bottom levels together equal the number of seats in the upper level. When all of the seats are sold for an event, the total revenue is $1,419,500. How many seats have been sold in the upper level?

Pls help me ??

2. Solve for x. SHOW YOUR WORK.