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postnew [5]
3 years ago
6

Need help with this

Mathematics
1 answer:
harina [27]3 years ago
5 0

Answer:

Qu. 8 = A (50) = 25w  as 125w x 125l = Area ; this because perimeter 500ft would always be a 3:5 ratio to the larger area. Therefore perimeter is 125+125 +125 +125 and = 500ft. However we can prove if 125 is any length or width then A(50)= 1/5 = 25   Qu 9)= I think last 2 are a function. Qu 10) Answer B is correct.

Step-by-step explanation:

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Can someone plsss help me?!
MAXImum [283]

Answer:

Angle A is 101

Angle B is 79

Angle C is 83

Angle D is 97

Step-by-step explanation:

Vertical angles are congruent, which applies to C.

Lines are parallel so 79 and angle B are the same

Angle a is 101 because its a supplementary angle

Angle D is 97 because its also a supplementary angle so you subtract 83 from 180.

3 0
2 years ago
Write an expression to represent:<br> Eight more than the product of two and a number <br> x<br> xx.
gizmo_the_mogwai [7]

Answer:

2x+8

Step-by-step explanation:

7 0
3 years ago
Enter the unknown number for n.<br><br> 12.66 − n = 7.64 Brainliest..........
Gemiola [76]

Answer:

Step-by-step explanation:

12.66-n=7.64

12.66-7.64=n

5.02=n

5 0
3 years ago
Read 2 more answers
pet supplies makes a profit of $5.50 per bag on its line of natural dog food. If the store wants to make a profit of no less tha
worty [1.4K]
To find how many bags the store needs to sell, you have to divide 5225 by 5.50.

(5225\ dollars)/(5.50\ dollars\ per\ bag) = 950\ bags
4 0
3 years ago
Your personal library contains books written by 165 authors. 60% of the authors are men. 40% of the authors write only nonfictio
Scorpion4ik [409]

Answer:

The probability that a book picked at random is either a work written by an author who writes only nonfiction or a work written by a man is 75.8%.

Step-by-step explanation:

The probability, in this case, has to be calculated using the sum rule because the events are independent. 

P = P(men) + P(non-fiction) - P(men non-fiction); where P is the probability. It means the probability that the random book was written by a man plus the probability that the random book was non-fiction minus the probability that the random book was written by a man who writes non-fiction. The probability that the random book was written by a man who writes non-fiction has to be subtracted, if not you will be duplicating it. 

Facts:

P(men) = 60% = 99/165

P(non-fiction) = 40% = 66/165

P(men non-fiction) = 40/165

P = P(men) + P(non-fiction) – P(men non-fiction)

P = 99/165 + 66/165 – 40/165

P = 125/165

P = 0.758 or 75.8%

3 0
3 years ago
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