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4 years ago

8

6= a/4 +2 need help solving plz

2 answers:

sleet_krkn [62]4 years ago

7 0

4 = $\frac{a}{4}$ + 2 Subtract 2 from both sides
4 = $\frac{a}{4}$ Multiply both sides by 4
16 = a Switch the sides to make it easier to read
a = 16

lozanna [386]4 years ago

4 0

Flip the equation for easier solving.

a/4 + 2 = 6

Subtract 2 from both sides because of the +2.

a/4 = 4

Now multiply by 4 to reverse the division.

4 x 4 = 16

a = 16

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Pls help I don’t understand this question very well

kiruha [24]

Answer:

$CD = 12.6866616739cm$

$CD \approx12.7cm$

Step-by-step explanation:

$CB = a$

$AB = b$

$AC = c$

${c}^{2} = {a}^{2} + {b}^{2}$

${a}^{2} = {c}^{2} - {b}^{2}$

$a = \sqrt{ {c}^{2} - {b}^{2} }$

$a = \sqrt{ {12}^{2} - {6}^{2} }$

$a = \sqrt{144 - 36}$

$a = \sqrt{108}$

$CB = \sqrt{108}$

$\sin(D) = \frac{opposite}{hypotenuse}$

$\sin(D) = \frac{CB}{CD}$

$\sin(55) = \frac{ \sqrt{108} }{CD}$

$(CD) \sin(55) = \frac{ \sqrt{108} }{CD} (CD)$

$(CD) \sin(55) = \sqrt{108}$

$\frac{(CD) \sin(55) }{ \sin(55) } = \frac{ \sqrt{108} }{ \sin(55) }$

$CD = \frac{ \sqrt{108} }{ \sin(55) }$

$CD = 12.6866616739cm$

$CD \approx12.7cm$

6 0

3 years ago

Which answer is equal to 2sqrt-28?

Oksana_A [137]

2^2-28

=4-28

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3 years ago

The ratio of two numbers x and y is 0.5. if y = 10, what is x

Llana [10]

Answer:

5.

Step-by-step explanation:

x/y = 0.5

x/10 = 0.5

x = 10*0.5 = 5.

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3 years ago

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Answer:

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Step-by-step explanation:

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