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deff fn [24]
3 years ago
15

Sue has 18 CDs and 30 DVDs. He wants to place them onto the greatest number of shelves so that each shelf has the same number of

CDs and the same number of DVDs. How many shelves will he use?
Mathematics
1 answer:
frez [133]3 years ago
8 0
Cds 3 dvds 5

Sue will use 6 shelves with 3 cds on each and 5 dvds on each.
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Find x and y please
Alexandra [31]

Answer:

Answer:

  • x → 4.24
  • y → 4.24

Step-by-step explanation:

» x and y can only be got through using trigonometric ratios:

✍ <u> </u><u>For</u><u> </u><u>x</u><u> </u>:

{ \tt{ \sin( \theta)  =  \frac{opposite}{hypotenuse} }} \\  \\ { \tt{ \sin(45 \degree)  =  \frac{x}{6} }} \\  \\ { \tt{x = 6 \times  \sin(45 \degree) }} \\ { \tt{x = 4.24}}

✍ <u> </u><u>F</u><u>o</u><u>r</u><u> </u><u>y</u><u> </u>:

{ \tt{ \cos( \theta)  =  \frac{adjacent}{hypotenuse} }} \\  \\ { \tt{ \cos( 45  \degree)  =  \frac{y}{6} }} \\  \\ { \tt{y = 6 \times  \cos(45 \degree) }} \\ { \tt{y = 4.24}}

6 0
2 years ago
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AnnZ [28]

Answer:

2r + 6

Step-by-step explanation:

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Your math test has 38 questions and is worth 200 points. This test consists of multiple-choice questions worth 4 points each and
Furkat [3]

Answer: the number of multiple-choice questions in the math test is 35 and the number of open-ended questions in the math test is 3

Step-by-step explanation:

Let x represent the number of multiple-choice questions in the math test.

Let y represent the number of open-ended questions in the math test.

The math test has 38 questions. It means that

x + y = 38

This test consists of multiple-choice questions worth 4 points each and open-ended questions worth 20 points each. The total number of points is 200. It means that

4x + 20y = 200 - - - - - - - - - -1

Substituting x = 38 - y into equation 1, it becomes

4(38 - y) + 20y = 200

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y = 3

Substituting y = 3 into x = 38 - y, it becomes

x = 38 - 3 = 35

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finlep [7]

Answer:

whats the q

Step-by-step explanation:

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3 years ago
Twice m decreased by 11
iogann1982 [59]

Answer:

2m - 11

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