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arlik [135]
2 years ago
5

What is the speed of a car that traveled a total of 90 km in 2 hours

Mathematics
1 answer:
vagabundo [1.1K]2 years ago
6 0

Answer:

45 km per hour

Step-by-step explanation:

assuming the car maintains the same speed for the entire travel the speed would be 45 km per hour

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Find the mean absolute value of 0.4, 0.2, 0.4, 0.6​
suter [353]

Answer: I think it's 0.4

Step-by-step explanation:

Adding all the numbers together (0.2; 0.4; 0.4; 0.6) gives you 1.6 which, when divided by the amount of numbers, gives you 0.4. If that isn't the kind of mean you're referring to. It'd still be 0.4 because it is the value in the middle of all given numbers.

5 0
3 years ago
If -7-4r=-15, what is the value of r/2 + 9
TEA [102]

Answer:

Step-by-step explanation:

Consider -7-4r=-15. Adding 7 on both sides of the equation,

-4r=-8 --- r = 2

Plug in value of r in r/2 + 9 = 2/2+9 = 1+9 = 10

6 0
2 years ago
The population of Tinyville is 16. 2 Tinys per acre. Exactly 405 Tinys live in Tinyville. How many acres is Tinyville? Enter onl
crimeas [40]

The area of Tinyville if the population of Tinyville is 405 Tinys while the population density of the Tinyville is 16.2 is 25 Acres.

<h3>What is Ratio?</h3>

A ratio shows us the number of times a number contains another number.

As it is given that the population density of Tinyville is 16.2 Tinys per acre, while the population of Tinyville is 405 Tinys. Therefore, the area of the Tinyville is the ratio of the population of Tinyville to the population density of the Tinyville.

\text{Area of Tinyville} = \dfrac{\text{Population of Tinyville}}{\text{Population Density of Tinyville}}

\text{Area of Tinyville} = \dfrac{405}{16.2} = 25

Hence, the area of Tinyville if the population of Tinyville is 405 Tinys while the population density of the Tinyville is 16.2 is 25 Acres.

Learn more about Ratio:

brainly.com/question/1504221

6 0
2 years ago
What is 36 times 70<br><img src="https://tex.z-dn.net/?f=36%20%5Ctimes%2070" id="TexFormula1" title="36 \times 70" alt="36 \time
siniylev [52]
2,520.

I hope this helped!
5 0
2 years ago
Read 2 more answers
Factor completely:<br> 21) x2 – 2x - 8
mojhsa [17]

Answer: x = -2 and 4

Step-by-step explanation:

x^2 - 2x - 8 = 0

(x - 4)(x + 2) = 0

4 0
3 years ago
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