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MaRussiya [10]
3 years ago
9

what is inverse ? what is an example sentence and meaning of inverse, contrapositive and biconditional ?

Mathematics
1 answer:
neonofarm [45]3 years ago
5 0
Contrapostive by katie 
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One elevator is on the 8th floor ( 8 floors above the ground floor) and the other elevator is one floor below the ground floor.
blagie [28]

Answer:

They're 9 floors apart

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
36/49 = 5/n find n. will mark for whoever answers
Crazy boy [7]

Answer:

  n = 245/36

Step-by-step explanation:

Usually, these are solved in 2 steps:

  1. eliminate fractions by multiplying by the LCM of the denominators
  2. divide by the coefficient of the variable.

Doing that, we have ...

  (49n)(36/49) = (49n)(5/n)

  36n = 49·5 = 245 . . . . . simplify

  n = 245/36 . . . . . divide by the coefficient of n

_____

Another way to do these is to rewrite the proportion with both sides inverted:

  49/36 = n/5

Now, all you need to do is multiply by 5.

  n = 5(49/36) = 245/36

__

Or, you can do both of the original steps at the same time:

  (49n/36)(36/49) = (49n/36)(5/n)

  n = (49·5)/36 = 245/36

5 0
3 years ago
Solving a word problem using a two-step med
stepladder [879]

Inequality is 6t  ≤ 44 and Jim can rent a boat for 7.33 hrs or less

<u> Solution:</u>

Given that  

Maximum amount Jim can spend to rent a boat = $34

Rental cost of boat for 1 hour = $6

Also Jim has a discount coupon for $8 off.

Need to determine possible number of hours Jim could rent a boat.

Let’s assume possible number of hours Jim could rent a boat be represented by variable "t"

Cost of renting boat for 1 hour = 6

So Cost of renting a boat for t hours = t x renting boat for 1 hour = t x 6 = 6t

Also Maximum amount Jim can spend to rent a boat = $34

As Jim has a discount coupon for $8 off, so Total amount Jim can spend to rent a boat = $ 34 + $ 8 = $ 44

So cost of renting a boat for t hours must be less that of equal to Total amount Jim can spend to rent a boat

=> 6t  ≤ 44

On solving above equality for "t" we get ,

\begin{array}{l}{t \leq \frac{44}{6}} \\\\ {=>\mathrm{t} \leq 7.3333 \mathrm{hrs}}\end{array}

Hence inequality is  6t  ≤ 44 and Jim can rent a boat for 7.33 hrs or less.

5 0
2 years ago
A=(1,3,5.7,9) <br>B= (2,4,6,8,10)<br>C= (1,5,6,7,9)<br>A intersects (B intersects C)=
mamaluj [8]

A=\{1,3,5,7,9\}\\ B=\{2,4,6,8,10\}\\ C=\{1,5,6,7,9\}\\\\ A \cap (B \cap C)=A \cap B \cap C=\emptyset

8 0
3 years ago
Read 2 more answers
-7×-3×=-8×-8<br><img src="https://tex.z-dn.net/?f=%20" id="TexFormula1" title=" " alt=" " align="absmiddle" class="latex-formula
Makovka662 [10]

Answer:

<h2>x = 4</h2>

Step-by-step explanation:

-7x-3x=-8x-8\\\\-10x=-8x-8\qquad\text{add}\ 8x\ \text{to both sides}\\\\-10x+8x=-8x+8x-8\\\\-2x=-8\qquad\text{divide both sides by (-2)}\\\\\dfrac{-2x}{-2}=\dfrac{-8}{-2}\\\\x=4

3 0
3 years ago
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