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Trava [24]
3 years ago
6

Which of the following equations are

Mathematics
1 answer:
faltersainse [42]3 years ago
8 0

Answer:

A. B. D. NOT C

Step-by-step explanation:

i don't know if you wrote anything wrong but this is correct if you are correct

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20=2w what is w then?
KonstantinChe [14]

Answer:10

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3 years ago
Does anyone know when the tutors for brainly will come back ?
Delvig [45]

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what is the measure of the base angle,x, of the isosceles triangle shown below? round your answer to the nearest tenth of a degr
MAVERICK [17]

Answer:

x ≈ 49.7°

Step-by-step explanation:

Since, the given triangle is an isosceles triangle,

Two sides having measure 17 units are equal.

Opposite angles of these equal sides will be equal.

Measure of the third angle = 180° - (x + x)°

By sine rule,

\frac{\text{sinx}}{17}=\frac{\text{sin}(180-2x)}{22}

\frac{\text{sinx}}{17}=\frac{\text{sin}(2x)}{22} [Since, sin(180 - θ) = sinθ]

\frac{\text{sinx}}{17}=\frac{2(\text{sin}x)(\text{cos}x)}{22}

\frac{\text{sinx}}{17}=\frac{(\text{sin}x)(\text{cos}x)}{11}

\frac{1}{17}=\frac{(\text{cos}x)}{11}

cos(x) = \frac{11}{17}

x = 49.68°

x ≈ 49.7°

4 0
3 years ago
What type of slopes do parallel lines have? And, What type of slopes do perpendicular lines have?
Goshia [24]

parallel lines have the same slope

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ie 3--------> -1/3

7 0
3 years ago
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Kala's chocolate bar is 61% cocoa. If the weight of the chocolate bar is 62 grams, how many grams of cocoa does it contain? Roun
USPshnik [31]

Answer:

37.8 grams

Step-by-step explanation:

61% = 0.61

62 grams * 0.61 = 37.82

Rounded to the tenth is 37.8

6 0
3 years ago
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