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yulyashka [42]
2 years ago
9

When solving: 1,175 ÷ 5, using partial quotients, how would you decide which power of 10, when multiplied by 5, should be subtra

cted first?
Mathematics
1 answer:
lesya692 [45]2 years ago
7 0

Answer:

1,165

Step-by-step explanation:

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Genevieve uses 6.5 pints of blue paint and white paint to paint her bedroom walls. 1 4 of this amount is blue paint, and the res
natka813 [3]

Answer:

3/4 = 16/x. Step-by-step explanation: Set up the original ratio: 3:4 (a.k.a. 3/4 or 3 to 4) Because 16 correlates to red paint and 3 correlates to red paint the will be in the same location (as the numerator or denominator).. Also, the amount of blue paint is unknown so that is x.4 also represents blue paint, so 4 and x will also be on the same level (as the numerator of denominator).

Step-by-step explanation:

3 0
3 years ago
20 points! Simplify: 2y(2y+3yx^{2} )-y^{2} (3-y) please show work!
arlik [135]

Answer:

8x2y - 6x2 - 8xy2 - y2

Step-by-step explanation:

Equation at the end of step  1  :

 (((((5•(x2))•y)-(5•(x2)))+(3y•(x2)))-(3•(y2)))-((((x2)+(y2))+(8x•(y2)))-3y2)

Step  2  :

Equation at the end of step  2  :

 (((((5•(x2))•y)-(5•(x2)))+(3y•(x2)))-(3•(y2)))-((((x2)+(y2))+23xy2)-3y2)

Step  3  :

Equation at the end of step  3  :

 (((((5•(x2))•y)-(5•(x2)))+(3y•(x2)))-3y2)-(x2+8xy2-2y2)

Step  4  :

Equation at the end of step  4  :

 (((((5•(x2))•y)-(5•(x2)))+3x2y)-3y2)-(x2+8xy2-2y2)

Step  5  :

Equation at the end of step  5  :

 (((((5•(x2))•y)-5x2)+3x2y)-3y2)-(x2+8xy2-2y2)

Step  6  :

Equation at the end of step  6  :

 ((((5x2•y)-5x2)+3x2y)-3y2)-(x2+8xy2-2y2)

Step  7  :

Final result :

 8x2y - 6x2 - 8xy2 - y2

4 0
3 years ago
The length of a rectangle is 4 ft longer than its width.
son4ous [18]

Answer:

96

Step-by-step explanation:

40=4x+8

32=4x

x=8

other side x+4 is 12

area is 12×8

96

6 0
3 years ago
HELLPPPPPPPPPPPP,,,,,,,,,,,
zalisa [80]

Answer:

#6 is D

#7 is A

Step-by-step explanation:

#6

-1/3(6x+15)-3

Distribute the -1/3

-1/3 times 6x is -2x

-1/3 times 15 is -5

-2x-5-3

-2x=8

#7

-12z-5z=85

COmbine like terms

-17z=85

Divide both sides by -17

z=-5

3 0
3 years ago
The ratio of solid beads to clear beads in a vase is 820. Select all the correct statements that tell if the operations will giv
Tatiana [17]

Answer:

C, D and E

Step-by-step explanation:

Given

Represent solid beads with S and clear beads with C

So:

S:C = 8:20

Required

Select operations that give an equivalent ratio

First, we need to get the unit ratio

S:C = 8:20

Divide through by 4

S:C = 2:5 -- This means that, after any operation. The equivalent ratio must be 2: 5

Option A: Add 2 to S and 2 to C

S:C = 8:20

Perform the operation

S:C = 8 + 2 : 20 + 2

S:C = 10 : 22

Divide through by 2

S:C = 5:11

Option B: Subtract 8 from S and 6 from C

S:C = 8:20

Perform the operation

S:C = 8 - 8 : 20 - 6

S:C = 0 : 14

Option C: Multiply S and C by 2

S:C = 8:20

Perform the operation

S:C = 8*2:20*2

S:C = 16:40

Divide through by 8

S:C = 2:5

Option D: Divide S and C by 4

S:C = 8:20

Perform the operation

S:C = 8/2:20/4

S:C = 2:5

Option E: Multiply S and C by 18

S:C = 8:20

Perform the operation

S:C = 8*18:20*18

S:C = 144:360

Divide through by 72

S:C = 144/72:360/72

S:C = 2:5

<em>From the calculations above, options C, D and E gave an equivalent of 2:5.</em>

5 0
3 years ago
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