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Ksivusya [100]
3 years ago
5

I don’t know the answer

Mathematics
1 answer:
masya89 [10]3 years ago
4 0

Answer:

?=1O or 15

Step-by-step explanation:

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1) Find the value of 7x + 3y when x = 12 and<br>y = - 6.​
dezoksy [38]

Answer:

66

Step-by-step explanation:

7(12)+3(-6)

84-18=66

7 0
3 years ago
Read 2 more answers
HELP PLEASE WILL GIVE BRAINLIST IF CORRECT
Nat2105 [25]

Answer:

a.) First check on the height of the bar that ranges between 20 and 24 which is 6. The 6 is the number of students who bought 20 books or more, so get the percentage of those students who bought 20 or more books; divide 6 which is the number of students who bought 20 books or more with the total number of students which is 40 then multiply with 100.

% of students who bought 20 or more books = 6/40 ×100

=15

Step-by-step explanation:

b.) Find the area of a trapezium

= 1/2 × {a+b} × h

= 1/2 × {9 + 13} ×12

= 132

= 1/2 × {13 + 6} × 12

= 108

Mean no. of books bought = 132 + 108

= 240

4 0
3 years ago
The diagram gives information about two paintings, P and Q.
Lerok [7]
I honestly don’t know the answer to this question but I hope you find an answer soon and good luck
6 0
3 years ago
if Afsheen can read 39 pages of a book in half an hour how much will it take her to finish the book that is 1287 pages​
Assoli18 [71]

<u>We are given:</u>

Afsheen can read 39 pages in 30 minutes

<u>Time taken by Afsheen to read 1287 pages:</u>

Time taken to read 1 page:

Time taken to read 1 page = time taken to read 39 pages / 39

Time taken to read 1 page = 30 minutes / 39

Time taken to read 1 page = 0.77 minutes

Time taken to read 1287 pages:

Time taken to read 1287 pages = Time taken to read 1 page * 1287

Time taken to read 1287 pages = 0.77 * 1287

Time taken to read 1287 pages = 991 minutes OR 16.52 hours <em>(Approx)</em>

3 0
3 years ago
Read 2 more answers
Wesley lives in a apartment and would like to have a vegetable garden. His city offers garden plots,but he has to pay for the fe
GenaCL600 [577]
Plot A
A = 204 ft^2; L = 20 ft; H = 10.2 ft; P = 60.4 ft
Plot B
A = 204.48 ft^2; L= 12.78 ft; H = 12 ft; P = 57.56 ft
Plot C
A = 204.49 ft^2; L = 14.3 ft; H = 14.3 ft; P = 57.2 ft

Most fencing Plot A
Greatest area Plot C
4 0
3 years ago
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