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Mashutka [201]
3 years ago
13

Help i will give you brainliest

Mathematics
1 answer:
goldenfox [79]3 years ago
8 0

Answer:

i dont know sorry

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Administrators at a local high school are organizing desks in the cafeteria for the junior students to use while taking a practi
ICE Princess25 [194]

Answer:

correct choice is B

Step-by-step explanation:

If d represents the number of desks in each row and the administrators want there to be 13 less rows than the number d of desks in each row, then the number of rows is d-13.

The total number of desks in all rows is

d\cdot (d-13)=d^2-13d.

Due to space limitations, there should be fewer than 264 students in the cafeteria. Therefore,

d^2-13d

8 0
3 years ago
Adrian purchases a book for $4.86 and a poster for $3.44. If she gives the cashier
Svetradugi [14.3K]

Answer:

$6.70

Step-by-step explanation:

Adrian purchases a book for 4.86 and a poster for 3.44

The total amount he owes would be 4.86 + 3.44 = $8.30

If she gives the cashier 15 dollars she should receive 15 - 8.30 = $6.70 back.

8 0
3 years ago
5x^2 -4 evaluate each of the following (show your steps):
schepotkina [342]

Answer:

25x-4

Step-by-step explanation:

5x^2=5x multiplied by 5x= 25x

25x-4  is simpliest form and evaluated

Have a  great day, and good luck!

7 0
4 years ago
A triangle has side lengths of 5a +3 inches and 2a +3 inches. If the perimeter of the triangle is 3a + 12 inches, which expressi
JulsSmile [24]

Answer:

A. 2a+6

Step-by-step explanation:

I did the test and this is what I got.

7 0
3 years ago
Which fractions are equivalent to 40
pickupchik [31]

Answer:

80/2, 120/3, 160/4,  200/5,  240/6,  280/7,  320/8,  360/9,  400/10,  440/11,  480/12, 520/13,  560/14 ,  600/15,  640/16,  680/17,  720/18,  760/19,  800/20,  840/21

Step-by-step explanation:

3 0
3 years ago
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