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Ivanshal [37]
2 years ago
14

Can someone pls help me w this

Mathematics
1 answer:
777dan777 [17]2 years ago
6 0

Answer:

a = 2

b = 1

c = 1

Step-by-step explanation:

The quadratic equation, 2x² + x + 1 = 0, is expressed in the standard form as ax² + bx + c, where a ≠ 0.

Thus,

a = 2

b = 1 (1 * x = x)

c = 1

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Question :
Elza [17]

Answer:

C) 405.3 ft

Step-by-step explanation:

A triangle is a polygon with three angles and three sides. Types of triangle are scalene, isosceles, equilateral, right angled triangle.

Given a triangle with angles A, B, C and the corresponding sides directly opposite to the angles as a, b, c. The sine rule states that:

\frac{a}{sin(A)}= \frac{b}{sin(B)} =\frac{c}{sin(C)}

In the triangle formed by point C, ship B and ship A, we have ∠A = 82°, ∠B = 78°, c = AB = 140 ft. Hence:

∠A + ∠B + ∠C = 180° (sum of angles in a triangle)

82 + 78 + ∠C = 180

∠C + 160 = 180

∠C = 20°

Using sine rule:

\frac{c}{sin(C)}=\frac{a}{sin(A)}\\\\\frac{140}{sin(20)}=\frac{a}{sin(82)}\\\\a=    \frac{140*sin (82)}{sin(20)}\\\\a=405.3\ ft

a =  distance from Ship B to the signal fire at point C

8 0
2 years ago
PLEASE ANSWER ASAP!
muminat

Answer:

I think it volume will be 234m3

7 0
2 years ago
30) (19, 15), (5,11)<br> find the slope of the line through each pair points
Tema [17]

Answer:

The slope is -4/14

Hope im helpful

3 0
3 years ago
1 7/11 X 2 5/6 find the product
lana66690 [7]
1 7/11  = 18/11

2 5/6  = 17/6


Product = 18/11 * 17/6

 =  306 / 66  = 51/11  = 4 7/11  Answer
3 0
3 years ago
Read 2 more answers
Can someone help me plz
WINSTONCH [101]

Answer:

no because it has three sides

Step-by-step explanation:

7 0
3 years ago
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