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Dafna11 [192]
3 years ago
11

Use the Distributive Property to expand the following expressions.

Mathematics
1 answer:
blondinia [14]3 years ago
3 0

Answer:

Step-by-step explanation:

Distributive property: a(b +c)=(a*b )+(a*c)

a) 2(y + 5x) = y*2  + 5x*2

                  = 2y + 10x

b) 0.4(x + 2) = x*0.4 + 2*0.4

                   = 0.4x + 0.8

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Charles runs a rate of 12 kilometers what is Charles speed in meters per minute
kramer

Answer:

Speed of Charles = 12 Km per hour

To convert it into meters per minute, we follow the following procedure

1 Km =1000 meter

1 hour = 60 minute

Now 12 Km per hour = \frac{12\times 1000}{60}

    = 12,000 ÷ 60

   = 200 meter per minute



8 0
3 years ago
Please help. I am really stuck on this little problem. I need to find the domain and Range for this graph.
Anika [276]

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3 years ago
18+ (-40 =||<br> please answer
8090 [49]

It would equall 22

Subtract 18 from both sides of the inequality.

a<40−18

Subtract 18 from 40.

a<22

The result can be shown in multiple forms.

Inequality Form:

a<22

Interval Notation: (−∞,22)

4 0
3 years ago
Read 2 more answers
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iVinArrow [24]

Answer:

x = \sqrt{99}

Step-by-step explanation:

Based on the Pythagoras theorem, where a and b are the legs of the triangle and c is the hypotenuse.

c^{2}= a^{2} + b^{2} \\c = \sqrt{a^{2} + b^{2} } \\x = \sqrt{7^{2} + (5\sqrt{2})^{2}} \\x = \sqrt{99}

Therefor x = \sqrt{99}

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3 years ago
Food bill:$55 sales tax:8 tip:10%
Romashka [77]

Answer:

$65.34

Step-by-step explanation:

Multiply $55 by 0.08. Then multiply $55 by 0.1. Then add the two.

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