2 years ago

Find one value of r that is a solution to the equation: (x - 2)^2 – 6(x - 2) + 5 = 0 x=?

Mathematics

1 answer:

vladimir2022 [97]2 years ago

5 0

Verify the following identity’s.

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Tom has 7 more silver dollars than Jimmy. Together they have a total of 71 silver dollars. How many silver dollars does Tom have

Eddi Din [679]

Tom has 39 silver dollars. You can do this on your head. Jimmy has 32, and Tom 39.

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3 years ago

Find the limit if it exists lim x→0 sqrtx+7-sqrt7 over x

Triss [41]

Answer:

$\frac{1}{ 2\sqrt{7} }$

Step-by-step explanation:

$\lim_{x\to 0} \frac{ \sqrt{x + 7} - \sqrt{7} }{x} \\ \\ = \lim_{x\to 0} \frac{( \sqrt{x + 7} - \sqrt{7}) }{x} \times \frac{( \sqrt{x + 7} + \sqrt{7}) }{( \sqrt{x + 7} + \sqrt{7}) } \\ \\ = \lim_{x\to 0} \frac{( \sqrt{x + 7} )^{2} - (\sqrt{7})^{2} }{x( \sqrt{x + 7} + \sqrt{7})} \\ \\ = \lim_{x\to 0} \frac{( {x + 7} - {7}) }{x( \sqrt{x + 7} + \sqrt{7})} \\ \\ = \lim_{x\to 0} \frac{ {\cancel x}}{\cancel x( \sqrt{x + 7} + \sqrt{7})} \\ \\ = \lim_{x\to 0} \frac{ {1}}{\sqrt{x + 7} + \sqrt{7}} \\ \\ = \frac{1}{ \sqrt{0 + 7} + \sqrt{7} } \\ \\ = \frac{1}{ \sqrt{7} + \sqrt{7} } \\ \\ = \frac{1}{ 2\sqrt{7} }$

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3 years ago

FIRST ANSWER WILL RECEIVE BRAILIEST!!

Artist 52 [7]

Answer:

the truck will over load with 13 refrigerators and 8 pianos

Step-by-step explanation:

13 refrigerators is 2600 lbs

8 pianos is 4200 lbs

both added together is 6800 lbs

the truck can only hold 5900 so 13 refrigerators and 8 pianos is too heavy

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3 years ago

Read 2 more answers

B. A square has a side length of 5 feet. <br> What is the length of each side of the square

densk [106]

Answer:

5 ft.

Step-by-step explanation:

A square is a shape comprised of all equal side lengths. Therefore, if we are given that the square has a side length of 5 feet, then every side's length would also be 5 feet.

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3 years ago

Bryan is getting trained and licensed to be a truck driver.He only has $350 in his bank account. The training is free but gas co

Alexxandr [17]

The answer is A because .13 times 1254 miles equals 163.02 and if you subtract that from the 350 dollars in Bryan's bank account you get A 186.98

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3 years ago