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Maslowich
4 years ago
15

PLEASE HELP !! 20 POINTS

Mathematics
1 answer:
strojnjashka [21]4 years ago
8 0

Answer:

a) 23 errors

b) 250 wpm

c) 105 words

Step-by-step explanation:

a) 55 = (286 - 10e)

 -286   -286

  -231 = -10e

e = 23. 1 or 23 errors

b) S = (300 - 10(5))

       = 300 - 50

     S = 250

c) 65 = (w - 10(4))

   65 = w - 40

   105 = w

Hope this helps.

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What is 1+4=5 2+5=12 3+6=21 what does 8 plus 11 equal
Paladinen [302]
This is a classic math problem, and it is not solved in a normal way.

<span>1+4=5
2+5=12
3+6=21
8+11=?

There is a pattern that can be spotted. 2+5 does not equal twelve, however 2*(2+5) does equal 12. Below is how to solve the rest of the equations:

</span>1+4=5 -> 1*(4+1)=5
2+5=12 -> 2*(5+1)=12
3+6=21 -> <span>3*(6+1)=21 </span>
8+11=? -> <span>8*(11+1)=96 
</span>
This is one way to answer the problem, HOWEVER there is another way to answer the problem that gives the SAME answer, but many people mistakenly believes it gives a different answer. If anyone tries to post the other way of doing this problem, but tells you the answer is 40, please comment on this post or message me and let me know. I will explain why the answer is actually 96 either way.
4 0
3 years ago
PLEASE ANSWER ASAP!!!
qwelly [4]

Answer:

D, E

Step-by-step explanation:

It’s not A because the equation can not be any pair of numbers.

It’s not B because that is stupid logic.

It’s not C because (3,4) and (10,8) don’t work

It’s not F because there is 1 solution

5 0
4 years ago
You deposit $3000 in an account earning 4% interest compounded continuously. How much will you have in
V125BC [204]

Answer: $3,664.21

Formula: A=Pe^{rt}

  • P = principle/original amount = $3000
  • r = rate of interest = 4% = 0.04
  • t = time period (in years) = 5
  • A = the new amount
  • e = Euler's number ≈ 2.718...

Substitute in the values:

A=(3000)e^{(0.04)(5)} =(3000)e^{0.2} =(3000)(1.2214)=3664.208

<u>Approximately $3,664.21</u>

<em>I think this is how you solve it o_O</em>

7 0
3 years ago
Find the area for the following figure
mixer [17]

Answer:

15 in { }^{2}

Step-by-step explanation:

area \: of \:  \: a \: triangle \:  = 1  \2 \: \ b \:  \times h \\    = 1 \2 \:(6in \:  \times 5in) \\  = 1(3in \:  \times 5in) \\  = 15in {}^{2}

8 0
3 years ago
What is the measure of triangle X in degree
Anna11 [10]

Answer:

A.) 40°

Step-by-step explanation:

A triangle is equal to 180°

Angle X and Y has the same angle, so both have 70°.

So:

70° × 2= 140°

To find the degree of the last angle, subtract the known degree, which is 140°, from the overall degree, which is 180°.

So:

180° - 140°= 40°

Answer= 40°

I hope this helps! :)

5 0
3 years ago
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