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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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When a decimal is written in word form, what indicates whether the number can be written as a mixed number or as a fraction less
vekshin1

9514 1404 393

Answer:

  "and"

Step-by-step explanation:

Properly written, the word "and" separates the integer portion from the fractional portion of the number. If there is no "and", then there is no integer portion, so the number is a fraction less than 1.

<u>Examples</u>:

one <em>and</em> three tenths = 1 3/10

thirty-one thousandths = 31/1000

8 0
2 years ago
a ladder that is 20 feet long is leaning against the side of a building if the angle formed between the ladder and the ground is
Mademuasel [1]

Answer:

Step-by-step explanation:

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the answer is 5 ft

8 0
3 years ago
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Write an inequality that represents the following scenario: a number divided by 10 increased by 8 is greater than 15.
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\frac{x}{10} + 8 > 15
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3 years ago
The sum of 2 numbers is 20 and their product is 90. What are the two numbers? (Note: Write the smaller number first.)
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The two numbers are 8 and 12.

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When multiplied, you get a product of 96.

4 0
2 years ago
The product of two numbers is -30, but their sum is -13. What are these two numbers?
Nata [24]
<h3>Answer:  -15 and 2</h3>

You find this through trial and error.

A much more efficient way is to solve x^2-13x-30 = 0 using the quadratic formula. You'll find the two solutions to be x = 15 and x = -2

Going from those solutions, we get x-15 = 0 and x+2 = 0 which then turn into (x-15)(x+2) = 0 through the zero product property.

3 0
3 years ago
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