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3 years ago

Evaluate the expression x to the 5th power over x to the 2nd power when x = 2

Mathematics

1 answer:

AURORKA [14]3 years ago

8 0

Answer:

im pretty sure :))

Step-by-step explanation:

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A) What type of triangle is triangle ABC?<br> isosceles<br> b) Give reasons for your answer.

lara31 [8.8K]

The type of triangle represented in the image attached to the task content is; Isosceles.

<h3>What type of triangle is triangle ABC?</h3>

By observation; since line AB and DE are parallel lines; it follows from the alternate Angie theorem that; <ABC = <BCE = 80°.

On this note, since angle ACD is 50°, the measure on <ACB is;

180 - 80 - 50 = 50°.

Therefore, since the sum of interior angle measures in a triangle is; 180°.

It follows that; <BAC is; 180 - 80 - 50 = 50°.

Hence, since the base angles; BAC and ACB are equal; it follows that the triangle in discuss is an isosceles triangle.

Read more on isosceles triangle;

brainly.com/question/1475130

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1 year ago

An automobile firm wants to purchase either machine A or machine B. The intial cost of machines A and B are $40,000 and $50,000,

Fynjy0 [20]

Answer:

C. $118,000 and $110,000, respectively.

Step-by-step explanation:

Please consider the complete question.

An automobile firm wants to purchase either machine A or machine B. The intial cost of machines A and B are $40,000 and $50,000, respectively. The power consumption per year of machines A and B are 120 MWh and 100 MWh, respectively. The power cost is $40/MWh. The estimated operating and maintenance cost over 10 years is $30,000 for machine A and $20,000 for machine B.

First of all, we will find the amount spent on power consumption for 10 years by each machine as:

$\text{Machine A}=10\cdot 120(\$40)\\\text{Machine A}=\$48,000$

$\text{Machine B}=10\cdot \$100(\$40)\\\text{Machine A}=\$40,000$

Now, we will find overall cost of machines A and B by adding initial cost, power consumption for 10 years and maintenance cost as:

$\text{Overall cost of machine A}=\$40,000+\$48,000+\$30,000$

$\text{Overall cost of machine A}=\$118,000$

$\text{Overall cost of machine B}=\$50,000+\$40,000+\$20,000$

$\text{Overall cost of machine B}=\$110,000$

Therefore, the overall cost of machines A and B are $118,000 and $110,000, respectively and option C is the correct choice.

6 0

3 years ago

2+2 ..................................needed 20 characters

Sloan [31]

Answer:

plese mark me brainlist

Step-by-step explanation:

thankyou and have nice day

7 0

3 years ago

Read 2 more answers

A carpenter made a storage container in the shape of a rectangular prism. it is 5 feet high and has a volume of 720 cubic feet.

zimovet [89]

Volume of a triangular prism = base area x height

720 = base area x 5

base area = 720 ÷ 5 = 144 ft²

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Answer: The base area is 144 ft²
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5 0

3 years ago

Choose the true statement.<br><br> -2 > -3<br> -2 < -3<br> -2 = -3

Elena-2011 [213]

Answer:

The True answer is -2>-3

7 0

3 years ago

Read 2 more answers