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2 years ago

What is the value of the following expression?

Mathematics

2 answers:

enyata [817]2 years ago

8 0

Answer:

D.27

Step-by-step explanation:

this is the answer i got hope it helped

klasskru [66]2 years ago

3 0

D.27
Reason-
You solve the exponents, then you add the numbers in () then multiple it, and finally divide it by 4

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An equilateral triangle has a perimeter of 15x + 3. What is the length of each side of the triangle?

maw [93]

An equilateral triangle have 3 congruent sides.

Divide the total (15x +3) by 3

(15x + 3)/3 = 5x + 1

Each side's length is 5x + 1

hope this helps

6 0

3 years ago

The position of an object at time t is given by s(t) = 3 - 4t. Find the instantaneous velocity at t = 8 by finding the derivativ

zysi [14]

For this case, we have that the equation of the position is given by:
$s (t) = 3 - 4t
$
To find the velocity, we must derive the equation from the position.
We have then:
$s' (t) = - 4
$
Then, we evaluate the derivative for time t = 8.
We have then:
$s' (8) = - 4$
Answer:
the instantaneous velocity at t = 8 is:
$s' (8) = - 4$

7 0

2 years ago

Read 2 more answers

Please answer correctly !!!!!!!!!!!!!!!!! Will mark brainliest !!!!!!!!!!!!!!!!!!!

solong [7]

Answer:

That looks like interior angle to me

x = 47 (since interior angles are congruent)

Step-by-step explanation:

I am really sleepy... :/

8 0

2 years ago

How should I solve for x and what is x?

algol [13]

Answer:

x =12

Step-by-step explanation:

We can use the Pythagorean theorem to solve for x

a^2 + b^2 = c^2

16^2 + x^2 = 20^2

256 +x^2 = 400

Subtract 256 from each side

256-256 +x^2 = 400-256

x^2 =144

Take the square root of each side

sqrt(x^2) =sqrt(144)

x = 12

8 0

2 years ago

Which number is composite? 23897993

-Dominant- [34]

Which number is composite in 23897993?
A composite number is a number that has multiple factors (9: 1,3,9)

8 0

3 years ago