The picture gives information about a car traveling at a constant speed. Which choice shows the car's speed between checkpoints A and B, expressed as a unit rate?

Answers

Answer 1

Answer: Unit rate The rate for one unit of given quantity is called a unit rate. These unit rates are again considered as one quantity. Examples arekm/h which is derived for instance given that the distance is 10km and the time to be there is 5 hours hence what is the velocity. Which is v=d/t henceafter, 2km/h. Another example is pressure which is force divided by the area. 1 N/m2 which is 5 N times 5 m2, the pressure is 1 N/m2

Ratio can be rate but rate can never be ratio. In essence, rate is comparison between ratios. While ratio is comparison between two or more numbers. Further, ratio on one hand, involves numbers either in amount, size, measurement, degrees, percentages or fractions with the absence of specific unit of measurement. On the contrary, rate is comparing quantities, amounts or unit of events happened expressed in a specific measurement or expressed under time. Take for instance, an example, Joe eats 2 while John eats 4 meals in a day. The ratio can be Joe: John, 2:4 meals. While the rate, is Joe eats 2 meals/day and John 4 meals/day.

Answer 2

Answer:

the answer is:

C- 50 miles per hour

Hope I helped someone today!

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Nolan bought 26 yards of heavy duty rope at the hardware store. The rope cost $2 per foot.how much did Nolan pay for the rope?

Answers

1 yard = 3 feet
So multiply 3 by 26. This is 78. We now know there are 78 feet. But it costs $2 per foot so we multiply 78 by 2.

Answer: $156

2.00×26=$52 dollars is what he payed

X squared minus 20x what value should be added to the equation to create a perfect square

Answers

x^2 - 20x + (20/2)^2 - (20/2)^2, or

x^2 - 20x + 400/4 - 400/4, or x^2 - 20x + 100 - 100 (answer)

What is this answer n/6 when n=12

Answers

Answer:

Step-by-step explanation:

Substitute 12 for n

Divide 12 by 6

N=2

Answer:

Step-by-step explanation:

12/6 + 2 = 2 + 2 = 4

What do I do to find x?

Answers

First you subtract -1.802 and 0.054 which equal to -1.856 then you can check if it's correct by adding -1.856 and 0.054 which equals -1.802.

Bella pays 7 payments of $5 each to a game store. She returns none game and receives $20 back. What is the change to the amount of money she has.

Answers

Answer:

Bella has $15 less

Step-by-step explanation:

Bella made 7 payments of $5 each. So, total payment made by her was $7*$5 = $35$ . As such, Bella had $35 initially. She played all games and received $20 back. This means that she lost $ 15 that is $35 - $20 = $15, in the game.

Therefore, she now has $15 less than the amount of $35 that she had initially. So, $15 is the the change to the amount she has now.

15$7 payments of 5$ = 35$ if she only gets 20$ back she lost 15$

The area of a square is 225 square centimeters. Find the length of a side. Find the length of the diagonal.

Answers

If the square's area is 225 square centimeters, that means length of it's one side is 15 centimeters, because the formula for a square's area is ${ a }^( 2 )$ where a is length side, in our case ${ a }^( 2 )=225$ and $\sqrt { { a }^( 2 ) } =\sqrt { 225 } \n a=15$ . So we know that one side's length is 15 we can find the diagonal. The solution is in the picture.

${ a }^( 2 )+{ b }^( 2 )={ c }^( 2 )\n { 15 }^( 2 )+{ 15 }^( 2 )={ c }^( 2 )\n 225+225={ c }^( 2 )\n 550={ c }^( 2 )\n \sqrt { 550 } =\sqrt { { c }^( 2 ) } \n \sqrt { 550 } =c\n 15\sqrt { 2 } =c$

Final answer:

To find the length of a side of the square, take the square root of its area. The length of a side is 15 centimeters. To find the length of the diagonal, use the Pythagorean theorem. The length of the diagonal is 15√2 centimeters.

Explanation:

To find the length of a side of a square, we can take the square root of its area. The area of the square is given as 225 square centimeters, so taking the square root of that will give us the length of a side. √225 = 15 centimeters.

To find the length of the diagonal of the square, we can use the Pythagorean theorem. The diagonal forms a right triangle with the sides of the square, so we can use a^2 + b^2 = c^2, where a and b are the lengths of the sides and c is the length of the diagonal. Plugging in the values, 15^2 + 15^2 = c^2. 225 + 225 = c^2. 450 = c^2. Taking the square root of both sides, c = √450. Simplifying, c = 15√2 centimeters.

Learn more about Finding the length of a side and diagonal of a square here:

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