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Usimov [2.4K]
3 years ago
15

Please solve with explanation

Mathematics
1 answer:
Roman55 [17]3 years ago
8 0

Answer:

40-20 a new smaller triangle is formed

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Evaluate the expression of 12 • 98
diamong [38]

Answer:

1176

Step-by-step explanation:

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3 years ago
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Graph the line with the equation y=2/5x + 3.
shusha [124]

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3r=2

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Find m abc (6x-7) (4x+23)
Salsk061 [2.6K]

Answer:

m∠ABC = 83°

Step-by-step explanation:

The angle ∠abc and ∠dbe are opposed by the vertex. By definition  "<em>Two angles opposite the vertex are congruent or equal</em>"

So ∠abc = ∠dbe

Then, to solve this problem you must match both expressions and clear the variable x.

(6x-7) = (4x + 23)\\6x - 7 -4x = 23\\2x = 30\\x = 15

Now substitute x = 15 in the given expression for the angle ∠abc. (6x-7)

So, we have:

6(15) -7\\= 90 - 7\\= 83\°°

Finally, the angle is 83°

8 0
4 years ago
Someone please help!!
steposvetlana [31]

Answer:

y-6 = -7x + 21

Step-by-step explanation:

Find the slope

(-8 - 6)/(5-3)

-14/2 = -7

Now find the formula

y-6=-7(x - 3)

y-6 = -7x + 21

Another way to write it is

y= -7x + 27

6 0
4 years ago
Rick buys a remote control cars to resell. He applies a markup of 10%.
cestrela7 [59]

Answer:

The selling price is $30.80

Step-by-step explanation:

Buying price = $28.00

Rick applies a mark up of 10%

The percentage of buying price is 100%

The percentage of selling price is 100% + 10% = 110%

So $28 = 100%

What about 110%?

Cross multiplying gives;

110/100 × $28 = $30.80

The selling price is $30.80

3 0
3 years ago
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