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Bas_tet [7]
3 years ago
15

Name a pair of adjacent complementary angles

Mathematics
1 answer:
Art [367]3 years ago
6 0

Step-by-step explanation:

\angle \: ABD = 30 \degree   \\ and \\  \angle \:CBD = 60 \degree \\ are \: a \: pair \: of \: adjacent \: complementary \: \\  angles.

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alisha [4.7K]
Plug the x in :)

3(2) + 8
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3 years ago
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There are two cubes, one smaller than the other. The two cubes combined has a volume of 118.125in. Find the side length of each
Sunny_sXe [5.5K]

Step-by-step explanation:

let the big cube side be b

small cube side be s

s = 2/3 * b

bv + sv = 118.125

b^3 + 8/9 b^3= 118.125

17 b^3/8 = 118.125

b^3 = 55.58

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s = 2.544in

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2 years ago
A study is conducted to investigate whether customer satisfaction is greater among computer companies that offer tech support ve
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The correct answer is (E).

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Step-by-step explanation:

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6 0
3 years ago
Solve the simultaneous equations<br> x-6y=5<br> xy - 2y2 = 6<br> -<br> Show clear algebraic working.
mojhsa [17]

Answer:

(- 7, - 2 ) , (9.5, 0.75 )

Step-by-step explanation:

Given the equations

x - 6y = 5 ( add 6y to both sides )

x = 5 + 6y → (1)

xy - 2y² = 6 → (2)

Substitute x = 5 + 6y into (2)

(5 + 6y)y - 2y² = 6 ← distribute and rearrange left side

5y + 6y² - 2y² = 6

4y² + 5y = 6 ( subtract 6 from both sides )

4y² + 5y - 6 = 0 ← in standard form

(y + 2)(4y - 3) = 0 ← in factored form

Equate each factor to zero and solve for y

y + 2 = 0 ⇒ y = - 2

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Substitute these values into (1) for corresponding values of x

y = - 2 : x = 5 + 6(- 2) = 5 - 12 = - 7 ⇒ (- 7, - 2 )

y = 0.75 : x = 5 + 6(0.75) = 5 + 4.5 = 9.5 ⇒ (9.5, 0.75 )

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2 years ago
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