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2 years ago

Number of operations I need help with understanding it

Mathematics

2 answers:

inessss [21]2 years ago

6 0

Answer:

The four operations are addition, subtraction, multiplication and division!!

Step-by-step explanation:

PtichkaEL [24]2 years ago

5 0

The abs were would be the four operations are addition, subtraction,multiplication and division

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Which postulate /theorem can you use to prove the two triangles shown are congruent?

trapecia [35]

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2 years ago

the head of a nail is circular , as shown the head of this nail has a diameter of 6 millimeters what measurment is closet to the

Nikitich [7]

Answer:

Area of nail's head = 28.26 millimeter² (Approx.)

Step-by-step explanation:

Given:

Head of nail is circular

Diameter of nail's head = 6 millimeter

Find:

Area of nail's head

Computation:

Radius of nail's head = Diameter / 2

Radius of nail's head = 6 / 2

Radius of nail's head = 3 millimeter

Area of circle = πr²

Area of nail's head = πr²

Area of nail's head = (22/7)(3)²

Area of nail's head = (22/7)(9)

Area of nail's head = (3.14)(9)

Area of nail's head = 28.26 millimeter² (Approx.)

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2 years ago

It costs $74 per hour plus a $65 service fee to have a home theater system set up for you. Let t represent the number of hours.

ki77a [65]

Answer:

74t + 65= total cost

Step-by-step explanation:

74 is the amount per hour, so you would need to multiply that by the number of hours they work (74t) and the 65 is a set fee (does not change based on the amount of service) so you just add that on

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2 years ago

What is the inverse of the given relation? Y=7x^2+4

EleoNora [17]

follow these steps:

1) y-4=7x^2

2) (y-4)/7 = x^2

$x = \sqrt{ \frac{y - 4}{7} }$

so you must inverse x and y names:

${f}^{ - 1} (x) = \sqrt{ \frac{x - 4}{7} }$

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