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steposvetlana [31]
3 years ago
6

Will upvote brainiest answer and add friend

Mathematics
1 answer:
Mashcka [7]3 years ago
8 0

Answer:

68°

Step-by-step explanation:

ABD is a right angle and the measure of it is 90°

m<CBD + m<ABC = m<ABD

4x + 52° + 8x - 10 = 90° add like terms

12x + 42° = 90°

12x = 48°

x = 4

m<CBD is 4x + 52° replace x with 4

4×4 + 52 = 68°

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Step-by-step explanation

y^(3/5) = \sqrt[5]{y{3}}

y^(-3/5) = 1/\sqrt[5]{y{3}}

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2 years ago
The equation 4(x – 3)2 – 5 = 139 has two solutions: one positive and one negative. What is the
AlekseyPX

Answer:

Step-by-step explanation:

4(x-3)2-5 = 139

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Seventy and six hundred two thousandths as a decimal number
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7 0
3 years ago
Read 2 more answers
1) 14 units2 2) 16 units2 3) 17 units2 4) 19 units2
horrorfan [7]

Answer:

<h2><em><u>4th</u></em><em><u> </u></em><em><u>option</u></em><em><u>:</u></em><em><u> </u></em><em><u>19</u></em><em><u> </u></em><em><u>units2</u></em><em><u> </u></em></h2>

Step-by-step explanation:

<h3>The given figure can be divided as (i) upper rectangle, (ii) lower rectangle </h3>

<em><u>Then</u></em><em><u>,</u></em>

(i) Breadth of upper rectangle = 2 units

Length of upper rectangle = 8 - 1 = 7 units

<em><u>Therefore</u></em><em><u>, </u></em>

Area of the upper rectangle = 7 × 2 = 14 units2

(ii) Breadth of lower rectangle = 1 unit

Length of lower rectangle = 5 units

<em><u>Therefore</u></em><em><u>, </u></em>

Area of the lower rectangle = 5 × 1 = 5 units2

<em><u>Since</u></em><em><u>,</u></em>

Area of the figure is = <em>Area</em><em> </em><em>of</em><em> </em><em>upper</em><em> </em><em>rectangle</em><em> </em><em>+</em><em> </em><em>Area</em><em> </em><em>of</em><em> </em><em>lower</em><em> </em><em>rectangle</em><em> </em>

= 14 units2 + 5 units2

= <em><u>19 units2 (Ans) (4th option)</u></em>

7 0
2 years ago
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-1/1 is your answer :)
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