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Aleonysh [2.5K]
3 years ago
11

Which of the following expressions represents 3 less than 5 times a number

Mathematics
2 answers:
alina1380 [7]3 years ago
4 0

Answer:

A)

Step-by-step explanation:

valentina_108 [34]3 years ago
3 0

Answer:

A) 5n - 3

Step-by-step explanation:

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What are the solutions to 0=x^2-x+1?​
kumpel [21]

Answer: No solutions

Step-by-step explanation:

    There are no solutions to 0 = x² - x + 1.

[Method One]

   We can solve this by rewriting the equation, but it is quicker to graph it when there are no solutions. See attached.

[Method Two]

 I said we can solve this by solving an equation, here it is. We will use the quadratic formula since the equation given is already in the proper form.

\displaystyle x=\frac{-b\pm\sqrt{b^2-4ac} }{2a}

\displaystyle x=\frac{1\pm\sqrt{(-1)^2-4(1)(1)} }{2(1)}

\displaystyle x=\frac{1\pm\sqrt{-3} }{2}

   -> Negative numbers don't have real square roots, so there is no solution

4 0
1 year ago
Canada has a population that is about 1 10 as large as the United States. If Canada's population is about 32 million, about how
k0ka [10]

Answer:

320,000,000

Step-by-step explanation:

3 0
3 years ago
3. A ladder is placed 5ft away from a building. The ladder comes up to 12 ft on the side of the
irina [24]

Answer:

13 feet long

Step-by-step explanation:

This situation forms a right triangle, where the ladder is the hypotenuse, the distance away from the building is the short leg, and the height to the side of the building is the long leg.

Use the pythagorean theorem, and solve for c, the hypotenuse:

a² + b² = c²

5² + 12² = c²

25 + 144 = c²

169 = c²

13 = c

So, the ladder is 13 feet long

8 0
2 years ago
Read 2 more answers
sandra has $691.43 in her checking account how much does she have in her account after she makes on withdrawal of $327.19 and a
nordsb [41]

Answer:

576.99

Step-by-step explanation:hope this helps;)

7 0
3 years ago
What is 5 5/6 divided by 2/3
kherson [118]

Answer:

35/4 or 8,3/4

Step-by-step explanation:

Flip the second fraction and multiply.

8 0
2 years ago
Read 2 more answers
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