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2 years ago

PLEASE I NEED HELP ASAP I WILL GIVE POINTS TO EVERYONE WHO GIME VE THE RIGHT ANSWER

Mathematics

1 answer:

adelina 88 [10]2 years ago

3 0

I attached you in the image the answer. The blue corresponds to the first exercise and the red one to the second. Good luck! And I hope it helped you!

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8. In AABC, LA is a right angle and mzB = 45°. Find BC.

Margaret [11]

Answer:

BC = 11 $\sqrt{2}$

Step-by-step explanation:

using the sine ratio in the right triangle and the exact value

sin45° = $\frac{1}{\sqrt{2} }$ , then

sin 45° = $\frac{opposite}{hypotenuse}$ = $\frac{AC}{BC}$ = $\frac{11}{BC}$ = $\frac{1}{\sqrt{2} }$ ( cross- multiply )

BC = 11 $\sqrt{2}$

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1 year ago

(4 - x)(3+ 2x) = ....................

Norma-Jean [14]

Answer:

-2x^2+5x+12

Step-by-step explanation:

(4-x)(3+2x)

12-3x+8x-2x^2

12+5x-2x^2

-2x^2+5x+12

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2 years ago

Write 3.16 as a mixed number in lowest terms

Yakvenalex [24]

$3.16=3 { \frac {16}{100} }== \gt mixed\ number \\ \ \ \ \ \ \ \ \ =3 { \frac {\ 4\ }{\ 25\ } } == \gt lowest\ term$

3 0

2 years ago

Read 2 more answers

Please help with this question.

Alchen [17]

Answer:

-9

Step-by-step explanation:

6 0

2 years ago

How to solve the rational equation?<br><br> 1/3 + 1/2 = 1/x

tatyana61 [14]

Answer:

x = ⁶/₅

Step-by-step explanation:

$\begin{array}{rcll}\dfrac{1}{3} + \dfrac{1}{2} & = &\dfrac{1}{x} & \\\\2x + 3x & = & 6 & \text{Multiplied all terms by LCM of denominators (6x)}\\5x & = & 6 & \text{Simplified left-hand side}\\x & = & \mathbf{\dfrac{6}{5}} & \text{Divided each side by 5}\\\end{array}$

8 0

3 years ago