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balu736 [363]
3 years ago
15

The table shows the costs of three types of meat John bought at a supermarket. complete the table.

Mathematics
1 answer:
Marina CMI [18]3 years ago
7 0
To find the cost per pound you simply divide the amount paid by the amount purchased

For Beef it would be:
$7.20 ÷ 2.0 = $3.60


For Pork it would be:
$8.10 ÷ 2.5 = $3.40


For Chicken it would be:
$9.80 ÷ 3.5 = $2.8
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How do you do 1/4 (16x+20)-7x
Ira Lisetskai [31]
Distribute the 1/4:
1/4(16x) + 1/4(20) - 7x

Do the multiplication:
1/4(16x) = 16x/4 = 4x
1/4 (20) = 20/4 = 5

Now you have:
4x + 5 - 7x = 0

Combine like terms (4x and -7x):
-3x + 5 = 0

Subtract 5 from both sides:
-3x = -5

Divide by -3:
x = -5/-3 = 5/3

Answer:
x= 5/3
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gregori [183]

Answer: first part is 2 then 0, after, its “are two real solutions” on edg, yw

Step-by-step explanation:

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11. Sam has to pay a 15% tax on a boat that cost him $500. He believes he can determine the tax
vlada-n [284]

Answer:

75

Step-by-step explanation:

7 0
3 years ago
I need only 16 and 17 please help
Nesterboy [21]

9514 1404 393

Answer:

  16. a: (-90°, (4, 3)); b: (90°, (0, 3)); c: (-90°, (0, 0))

  17. a: (down, (4, -1)); b: (right, (4, 3)); c: (up, (5, 2))

Step-by-step explanation:

We don't know what notation you're used to seeing for rotations. Here. we'll use the form [degrees CCW, (center)]. (CW angles are negative.) In any rotation, the center is the point that is invariant (remains in the same place)

16.

a) The tail is invariant, so the rotation is (-90°, (4, 3)).

b) The tip is invariant, so the rotation is (90°, (0, 3)).

c) The origin is invariant, so the rotation is (-90°, (0, 0))

__

17.

a) The tail is invariant, so the arrow is pointing down with the tip at (4, -1).

b) The center is invariant, so the arrow is reversed. It is pointing right with the tip at (4, 3).

c) Point (2, 3) is invariant, so the arrow is pointing up with the center at (5, 0). The tip is at (5, 2).

_____

<em>Additional comment</em>

If you have trouble visualizing these rotations, you might find it useful to trace the arrow on a piece of (semi-)transparent medium (plastic or tracing paper) so that you can move it as required to match the descriptions in the problem statement. A pin, or a dot on your tracing, can serve to fix the center of rotation. A little hands-on never hurts in math and geometry.

8 0
3 years ago
What is (-2)( 3 4/7)<br> A)-7 1/6<br> B)-6 6/7<br> C)-2 3/7<br> D)-1 2/7
Arte-miy333 [17]

Answer:

d

Step-by-step explanation:

6 0
2 years ago
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