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mariarad [96]
3 years ago
9

Need help please...............................

Mathematics
1 answer:
Hunter-Best [27]3 years ago
7 0
Note that the side adjacent to angle XYZ is given (6 cm) and that the hypo is also given (15 cm).  Thus, cos XYZ = adj / hyp = 6 cm / 15 cm  = 2/5 = 0.4.

XYZ is then  arc cos 0.4.  Use the arccos function on your calculator to determine XYZ and give XYZ in both degrees and radians.
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How many solutions does 5(x+2)-3=3x-8x+7 have
Kryger [21]

Answer:

One solution.

Step-by-step explanation:

Step 1: Write equation

5(x + 2) - 3 = 3x - 8x + 7

Step 2: Solve for <em>x</em>

<u>Distribute 5:</u> 5x + 10 - 3 = 3x - 8x + 7

<u>Combine like terms:</u> 5x + 7 = -5x + 7

<u>Add 5x to both sides:</u> 10x + 7 = 7

<u>Subtract 7 on both sides:</u> 10x = 0

<u>Divide both sides by 10:</u> x = 0

Step 3: Check

<em>Plug in x to verify if it's a solution.</em>

5(0 + 2) - 3 = 3(0) - 8(0) + 7

5(2) - 3 = 7

10 - 3 = 7

7 = 7

3 0
3 years ago
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kow [346]

Answer:

x ≥ 0

Step-by-step explanation:

The absolute value of something will always be the same number if the number is positive. Therefore, the values of x which make this true are x ≥ 0.

4 0
4 years ago
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melamori03 [73]

Answer:

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Step-by-step explanation:

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8 0
3 years ago
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You tie the end of a leash to the corner of a rectangular doghouse that measures 3 feet by 4 feet. The leash is 6 feet long. If
disa [49]
16.26.

3^2(3.14)
28.26

3(4)
12

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(If I'm wrong please correct me I haven't done this in two years but I believe this is correct) I hope it helped anyway!
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4 years ago
A dress regularly sells for $130. The sale price is $84. Find the percent decrease of the sale price from the regular price.
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Answer:

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Step-by-step explanation:

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4 years ago
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