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natka813 [3]
2 years ago
5

Sandy typed 5 1/2 pages in 15 minutes. at this rate how many pages would sandy type per hour

Mathematics
1 answer:
Brums [2.3K]2 years ago
6 0

Answer:

22 pages per hour.

Step-by-step explanation:

5.5/15 = 0.36666

0.36666 * 60 = 22

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The sum of the angle measures of a polygon with n sides is 1260. find n.
Murrr4er [49]
Knowing the interior angle sum formula is; 

180x(n-2)

180x(n-2)=1260 (solve for n here) 
180n-360=1260 
180n=1260+360
180n=1620 
n=1620/180 
n=9

Therefore, this polygon has 9 sides.

Hope I helped :) 
4 0
3 years ago
Find the derivative of f(x) = 2x^2 - 4x +3
ivolga24 [154]

Explanation

2x^2-4x+3

When taking derivatives of polynomials, we primarily make use of the power rule.

Power rule.

\begin{gathered} f(x)=x^n \\ \text{then} \\ f^{\prime}(x)=nx^{n-1} \end{gathered}

also, the derivate of a sum is the sum of the derivates

hence

\begin{gathered} g(x)=f(x)+h(x)+\ldots z(x) \\ g^{\prime}(x)=f^{\prime}(x)+h^{\prime}(x)+\ldots.z^{\prime}(x) \end{gathered}

Step 1

apply:

\begin{gathered} f(x)=2x^2-4x+3 \\ f^{\prime}(x)=2\cdot2x^{2-1}-4(1)x^{1-1}+ \\ f^{\prime}(x)=4x^{}-4(1)x^0+3^0 \\ f^{\prime}(x)=4x^{}-4(1)(1) \\ f^{\prime}(x)=4z-4 \end{gathered}

therefore, the answer is

8 0
1 year ago
Y=1/3x + 2 what is the domain?
Trava [24]

Answer:

To find the domains you must graph this equation and find the x-coordinates of the points plotted. That's the domain.

Remember, if two points have the same x-coordinate then do not repeat the number when stating the domain. Domain also always must be written in the least to greatest order. Domains must be written with {} enclosing them.

So if the x-coordinates were 4,5,6,4,7,5

You would write the domain as {4,5,6,7}

5 0
2 years ago
Read 2 more answers
consists of a formula a^2+b^2=c^2 which is used to figure out the value of (mostly) the hypotenuse in a right triangle. The a an
ikadub [295]

FORMULA:

  • Pythagorean theorem —: h² = b² + p², where h = hypotenuse, b = base, p = perpendicular.

ANSWER:

Pythagoras theorem consists of a formula a² + b² = c² which is used to figure out the value of (mostly) the hypotenuse in a right triangle. The a and b are the 2 "non-hypotenuse" sides of the triangle (Opposite and Adjacent).

5 0
3 years ago
Read 2 more answers
What whole number come before 105
ZanzabumX [31]
The whole number that comes before 105 is 104.

However, it is not the only whole number that comes before 105.

Whole numbers are identified as natural number and zero (0). Meaning the whole number starts with 0 then followed by 1,2,3,4.... so on. Whole numbers are positive numbers without remainders nor fractions.

Whole number that come before 105 range from 0 to 104.

Natural numbers are also called counting numbers; They start with 1. Zero is not a natural number because it cannot be counted.

Integers are numbers which can be positive or negative and it includes zero.


6 0
3 years ago
Read 2 more answers
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