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Kryger [21]
3 years ago
6

Please help me on this

Mathematics
1 answer:
malfutka [58]3 years ago
5 0

Answer:

<h3>a. X=5</h3><h3>b. X=4</h3>

solution,

a. \:  \:  \frac{3x  + 4}{2}  = 9.5 \\  \:  \: or \: 3x + 4 = 9.5 \times 2(cross \: multiplication) \\  \:  \: or \: 3x + 4 = 19 \\  \:  \: or \: 3x = 19 - 4 \\  \:  \: or \: 3x = 15 \\  \: or \: x =  \frac{15}{3}  \\  \: x = 5

b. \:  \:  \frac{7 + 2x}{3}  = 5 \\  \:  \: or \: 7 + 2x = 5 \times 3(cross \: multiplication) \\  \:  \: or \: 7 + 2x = 15 \\  \:  \: or \: 2x = 15 - 7 \\  \: or \: 2x = 8 \\  \: or \: x =  \frac{8}{2}  \\  \:  \: x = 4

Hope this helps..

Good luck on your assignment..

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castortr0y [4]
If you would like to know the purchase price of Wilma's game, you can calculate this using the following steps:

15% of $43.89 = 15% * 43.89 = 15/100 * 43.89 = $6.5835 = $6.58

$43.89 - $6.58 = $37.31

5% of $37.31 = 5% * 37.31 = 5/100 * 37.31 = $1.8655 = $1.87

$37.31 - $1.87 = $35.44

The correct result would be <span>$35.44.</span>
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3 years ago
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Answer: 24cm

Step-by-step explanation:

Inradius = r

c = the hypothenuse

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Inradius formula: r = 1/2 * (a+b-c)

Plug in what we know.

2 = 1/2 * (a+b-10)

Multiply both sides by 2.

2*2 = 1/2 * (a+b-10) * 2

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Add 10 to both sides.

4+10 = a+b-10+10

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Perimeter formula: P=a+b+c

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(remember a+b=14).

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3 years ago
Look at the formula for finding distance.
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rt = d

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