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3 years ago

Need help for this Algebra question plz!

Mathematics

1 answer:

Vikentia [17]3 years ago

5 0

Answer:

2x+5y=-15

ax+bx=c

slope=-a/b so -2/5 matches up with point slope form

then to get y intercept substitite x in point slope for 0 and solve for Y to get -3

then do c/b to get y intercept, so -15/5, which equals -3.

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Delicious77 [7]

Answer:

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Step-by-step explanation:

Use sine rule to find the number that belongs to the box.

Thus:

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

a = ?? (the number in the green box)

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A = 38°

B = 42°

Plug in the values

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Multiply both sides by sin(38)

$\frac{a}{sin(38)} \times sin(38) = \frac{5}{sin(42)} \times sin(38)$

$a = \frac{5 \times sin(38)}{sin(42)}$

$a = 4.6$ (nearest tenth)

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Andru [333]

Answer:

Percentage increases and decreases, are found by setting the problem up proportionally.

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4 years ago