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4 years ago

What is the absolute value of +25 A. -25 B. 25

Mathematics

2 answers:

Aloiza [94]4 years ago

8 0

Answer:

its 25

Step-by-step explanation:

boo dont you worry all u gotta do whenever u see things in brackets like that it just means its always going to be its opposite, like in this case, its positive 25, not negative 25.

bogdanovich [222]4 years ago

3 0

B is the correct answer. The absolute value of something will always be positive. ALWAYS.

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Question 6 options: What is the approximate area of a circle with a diameter of 56 cm? Use your calculator button for π. Round y

Andrew [12]

The area of circle is 2463.0086 cm².

Step-by-step explanation:

Given,

Diameter of circle = 56 cm

Radius of circle = $\frac{Diameter}{2}$

Radius of circle = $\frac{56}{2}=28\ cm$

We know that;

Area of circle = $\pi r^2$

Area of circle = $\pi *(28)^2$

Area of circle = π * 784

Area of circle = 2463.00864041 cm²

Rounding off to four decimal places

Area of circle = 2463.0086 cm²

The area of circle is 2463.0086 cm².

Keywords: area, circle

Learn more about area at:

#LearnwithBrainly

8 0

4 years ago

F(2) = 4(2)² +4 (2) -2

zloy xaker [14]

Answer:

Step-by-step explanation:

4(2)² + 4(2) - 2

Use PEMDAS, which is Parenthesis, Exponent, Multiplication, Division, Addition, Subtraction. In that order we evaluate.

Exponents first, since there is nothing else to do in the parenthesis.

4(2)² + 4(2) - 2

4(4) + 4(2) - 2

Next is Multiplication and Division

4(4) + 4(2) - 2

16 + 8 - 2

Lastly are Addition and Subtraction

16 + 8 - 2

16 + 6

5 0

3 years ago

What number goes in the blank 842,109

andrew-mc [135]

From the number 842 to 109 is a decrease of 733. so 109 minus 733 will result in a -624.

6 0

4 years ago

A bacteria culture contains 1500 bacteria initially and doubles every hour. Find a function N that models the number of bacteria

Katen [24]

Answer: N(t) = (2^t)*1500

Step-by-step explanation:

Let's define the hour "zero" as the initial population.

So if N(t) is the number of bacteria after t hours, then:

N(0) = 1500.

Now, we know that the population doubles every hour, so we will have that after one hour, at t = 1

N(1) = 2*1500 = 3000

after two hours, at t = 2.

N(2) = 2*(2*1500) = (2^2)*1500

After three hours, at t = 3

N(3) = 2*(2^2)*1500 = (2^3)*1500

So we already can see the pattern, the number of bacteria after t hours will be:

N(t) = (2^t)*1500

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3 years ago

Friend: how lazy are you?<br>me: I starved myself bc I'm too lazy to get out of bed

Murrr4er [49]

That sounds like something i would say XD

5 0

3 years ago

Read 2 more answers