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adell [148]
3 years ago
9

Supplementary angles angles are two angles whose measures have a sum of ___. complementar angles are two angles measures have a

sum of ___.
Mathematics
1 answer:
Amiraneli [1.4K]3 years ago
7 0

supplementary angles are two angles whose measures have a sum of 180 degrees. complementary angles are two angles whose measures have a sum of 90 degrees.

might want to check your spelling

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What is the GCF in the expression x(x+5)-3x(x+5)+4(x+5)
weeeeeb [17]

Answer:

2

Step-by-step explanation:

8 0
4 years ago
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The voltage across a charged capacitor measured in Volts is given by V(t) = 4(2.72)^{\frac{-t}{2} } where t is measured in secon
faltersainse [42]
So first you plug 2 in for t
4(2.72)^(-2/2)
4/2.72 (because the simplified exponent is -1)
divide and that's your answer.

Next you plug 1 in for t
4(2.72)^(-1/2)
4/sqrt(2.72) (because -1/2 as an exponent is 1/sqrt(x))
plug that into a calculator and that's your answer

For c, you plug 1 in for V(t).
1=4(2.72)^(-t/2)
1/4=2.72^(-t/2)
Here is where I get stuck because I haven't done logarithms in a year and forget how to do them but I know that's what you have to do for this problem.

In the last problem you plug x in for V(t) and I'd assume go about solving it the same as c. Sorry I couldn't be of more help.
8 0
3 years ago
~khan academy 7th grade
pickupchik [31]

Question:

Which of the following expressions represents the distance between 1.7 and −1/2 on a number line?

Choose 1 answer: 

A.\ |1.7 - 1/2|

B.\ |1.7 -(-1/2)|

C. None of the above

Answer:

B.\ |1.7 -(-1/2)|

Step-by-step explanation:

Given

Numbers: 1.7 and -1/2

Required

Determine the distance

To calculate the distance, we start by calculating the difference between the given numbers;

Difference = 1.7 - (-1/2)

Then, we calculate the distance;

<em>In this case, the distance is meant to be positive; So, we'll introduce the symbol for absolute value;</em>

Hence,

Distance = |Difference|

Substitute 1.7 - (-1/2) for Difference;

Distance = |1.7 - (-1/2)|

<em>Hence, the correct option is B</em>

4 0
3 years ago
Read 2 more answers
Tavon makes another box with height h inches from a piece of cardboard that meadures 12 inches by 12 inches
nekit [7.7K]

Answer:

Area = 4h^2-56h +144

Step-by-step explanation:

Given

See attachment for complete question

Required: The base area.

From the question, we have the initial dimensions to be:

Length = 12

Width = 12

h inch were removed from each corner to form the new base. So, the dimension of the new base is:

Base\ Length = Length - h - h

Base\ Length = Length - 2h

Base\ Width = Width - h-h

Base\ Width = Width - 2h

The area of the base is calculated by multiplying the base dimensions

Area = Base\ Length * Base\ Width

Area = [Length - 2h] * [Width - 2h]

Area = [12 - 2h] * [12 - 2h]

Expand

Area = 12[12 - 2h] -2h [12 - 2h]

Area = 144 - 28h -28h + 4h^2

Area = 144 -56h + 4h^2

Rewrite as:

Area = 4h^2-56h +144

4 0
3 years ago
Dan has an old lawn mower! It takes him 1 hour to mow the whole lawn. How many square yards does Dan cut in one minute? Hints: T
Anna [14]

Answer: You didnt mention how much Dan mows in 1 hour, but just do that divided by 60

Step-by-step explanation:

6 0
3 years ago
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