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ella [17]
3 years ago
6

Can someone help me with this??

Mathematics
1 answer:
vesna_86 [32]3 years ago
8 0
It would be 45. He has 300, and the interest rate is 5%. 5% of 300 is 15. and he earns that 5% once per annum (which is once per year) so 15 dollars of interest a year for 3 years is 45 earned in interest.
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What is the slope of the line that is perpendicular to a line who’s equation is 3y = -4x-2
tankabanditka [31]
3/4 would be the slope
6 0
3 years ago
How do you find the parameterization of a helix?
Marina CMI [18]

Answer:

\left\{\begin{array}{l}x=r\cos t\\ \\ y=r\sin t\\ \\z=at\end{array}\right.

Step-by-step explanation:

A <u>helix</u> is a curve for which the tangent makes a constant angle with a fixed line. The shortest path between two points on a cylinder (one not directly above the other) is a fractional turn of a helix, as can be seen by cutting the cylinder along one of its sides, flattening it out, and noting that a straight line connecting the points becomes helical upon re-wrapping (see attached diagram for helix).

The parametrization for the helix is

\left\{\begin{array}{l}x=r\cos t\\ \\ y=r\sin t\\ \\z=at\end{array}\right.,

where r is the radius of the helix, a is the constant, and t\in [0,2\pi ) is the parameter

7 0
4 years ago
What is 8−2⋅3+7<br> Needs Help badly
Svetach [21]
  • 8-2.3+7
  • 8 - 9.3
  • -1.3 answer
4 0
2 years ago
Read 2 more answers
I will give brainliest to simplest explanation! There are 2 Senators from each of 50 states. We wish to make a 3-Senator committ
Alika [10]

Answer:

117,600 ways

Step-by-step explanation:

This problem can be solved using fundamental principle of counting , according to which , if there are m different things and n different things,

then there m*n ways to combine.

Example: if there 5 shirts and 3 ties,

then number of ways in which different combination shirt and tie can be worn is

5*3 = 15 ways.

____________________________________

In the problem,\

number of states is 50,

let those states be

A1, A2, A3, A4 ......A50

in each state there are 2 senate

Condition

3-Senator committee in which no two members are from the same state.

then

first member can be chosen from any of the 50 state,

hence first member can be chosen in 50 ways

for simplicity lets take state A1, you can choose any one you wish

second member cannot be from state A1, then number of state left = 49

second member can be chosen from  any of 49 state left

hence second member can be chosen in 49 ways

for simplicity lets take state A2,

Third member cannot be from state A1 and A2, then number of state left = 48

Third member can be chosen from  any of 48 state left

hence Third member can be chosen in 48 ways

for simplicity lets take state A3,

Hence no. of ways of choosing  3-Senator committee be formed such that no two Senators are from the same state = 50*49*48 = 117,600 ways

8 0
4 years ago
Solve this (2x – 1)2
Vedmedyk [2.9K]
Distribute the number 2.

2*2x= 4x

-1*2= -2

4x-2 is the most you can simplify this.

I hope this helps!
~kaikers
5 0
3 years ago
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