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2 years ago

A go-kart's top speed is 607,200 feet per hour. what is the speed in miles per hour?

1 answer:

7 0

The value given here is the velocity of the go-kart. Velocity is the distance traveled by an object in motion per unit of time. There are various units for this measurement. It can be in terms of meters per second, feet per hour or miles per hour. Measurements can be converted using conversion factors. For this case, 1 mile is equivalent to 5280 feet. Therefore, the answer is 115 miles per hour.

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Which of the following expressions correctly uses the properties of summations to represent

madam [21]

Answer:

Option C is correct.

$7 \cdot \sum_{i=1}^{18} i^2 + 9 \cdot 18$

Step-by-step explanation:

Given the expression: $\sum_{i=1}^{18} (7i^2+9)$

Using properties of summation:

$\sum_{i=1}^{n} (a+bi) =\sum_{i=1}^{n} a + \sum_{i=1}^{n} bi$

$\sum_{i=1}^{n} a = an$

Using properties of summation in the given expression we have;

$\sum_{i=1}^{18} (7i^2+9)$

= $\sum_{i=1}^{18} 7i^2 + \sum_{i=1}^{18} 9$

= $7 \cdot \sum_{i=1}^{18} i^2 + 9 \cdot 18$

Therefore, the following given expression uses the properties of summation to represents is, $7 \cdot \sum_{i=1}^{18} i^2 + 9 \cdot 18$

8 0

2 years ago

Read 2 more answers

HELP ILL AWARD BRAINLIEST

inna [77]

Answer:

Think about it

Step-by-step explanation:

If you made $20 in 2 hrs you made $10 per hour

To find out how much you make per certain number of hrs multiply $10 by the number of hours

The equation is y = 10x + 0 <-- this is also answer to number 4

10x is the constant of proportionality I think.

5 0

3 years ago

Read 2 more answers

I dont need it anymore

vova2212 [387]

Answer:

I'm sorry but what is the question?

Step-by-step explanation:

8 0

3 years ago

Which formula can be used to describe the sequence? - 2/3, -4, -24, -144

Anna35 [415]

Answer:

They are all multiplied by 6

6 0

3 years ago

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Sketch the curve represented by the parametric equations (indicate the orientation of the curve), and write the corresponding re

raketka [301]

Answer:

(See explanation below for further details).

Step-by-step explanation:

Let be a parametric curve represented by $x = 3\cdot t - 5$ and $y = 5\cdot t + 1$ , where $t$ is the parametric variable.

The curve is represented graphically with the help of a graphing tool, whose outcome is included in the image attached below. The corresponding rectangular equation is found by eliminating t of each equation.

$t = \frac{x+5}{3}$ and $t = \frac{y-1}{5}$