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Yuki888 [10]
3 years ago
14

If 15 books cost $90, what is the unit price?

Mathematics
2 answers:
Radda [10]3 years ago
5 0

Answer:

b

Step-by-step explanation:

____ [38]3 years ago
5 0

Answer:

Step-by-step explanation:

B

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Select the figure obtained when rotating the figure about an axis along its largest side, and find the exact surface area of the
Talja [164]

Answer:

Figure obtained - Cylinder

Surface area of the cylinder is 1224π square units.

Step-by-step explanation:

When a rectangle is rotated about an axis along its largest side, a cylinder having radius 17 and height 19 units is formed.

Surface area of the cylinder = 2πr(h + r)

By substituting r = 17 units and h = 19 units in the given formula,

Surface area = 2π(17)(17 + 19)

                     = (34)(36)π

                     = 1224π

Therefore, surface area of the cylinder is 1224π square units.

4 0
3 years ago
Substitution for {2x-3y=11 and -x + 2y = -6
Svetradugi [14.3K]

Step-by-step explanation:

-x+2y=-6

x-2y=6

x=2y+6

substitute in 2x-3y=11 gives us 2(2y+6)-3y=11

4y+12-3y=11

y=-1

-x+2(-1)=-6

-x=-4

x=4

7 0
3 years ago
60000x3+4 pls help fast
Ilya [14]
First, you have to multiply 60000 by 3 and you will get 180000. Then you add 4 and your final answer is 180004
5 0
3 years ago
Lydia has 400$ in her bank account. Each week she withdraws 10$ for spending money. She also uses 5$ each week to get credit on
Softa [21]

Answer:

400 - 15x < 300

Step-by-step explanation:

We are told that she has 400$ in her bank account.

Now, Each week she withdraws 10$ for spending money. She also uses 5$ each week to get credit on her apple account.

Total total withdrawal each week = 10 + 5 = $15

If number of weeks she has been withdrawing is x, then would have withdrawn $15x after x number of weeks.

Thus, amount left after x number of weeks is:

400 - 15x

We want to find the inequality statement can be used to determine how many weeks it will take for her bank account balance to drop below 300.

Thus;

400 - 15x < 300

6 0
3 years ago
Warren’s tape measure is marked in increments of 1/16 inch, not in decimal numbers. To measure the tiles, he needs to know the s
Bezzdna [24]

Answe

Step-by-step explanation:

3 0
3 years ago
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