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2 years ago

9

mrs emily want to go shopping but only has $100 to spend. she wants to buy a pair of jeans for $35 and a few dress shirts for $1

5 each. write an inequality that could be used to determine the number of dress shirts she can buy

1 answer:

stealth61 [152]2 years ago

6 0

Answer:

35x+15y is less than or equal to 100.

Step-by-step explanation:

35 per Jean + 15 per shirt is less than or equal to 100

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Definition:A sailboat set a course of N 25° E from a small port along a shoreline that runs north and south. Sometime later the

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Answer:

S 75°E

S 55°E

Step-by-step explanation:

Take the law if sines of a triangle:

$\frac{a}{sinA} = \frac{b}{sinB} = \frac{c}{sinC}$

Where,

a = 28 miles

B = 25°

b = 12 miles

First solve for A, using the law of sines:

$\frac{a}{sinA} = \frac{b}{sinB}$

$\frac{28}{sinA} = \frac{12}{sin25}$

Cross multiply:

$28 sin25 = 12 sinA$

$11.83 = 12 sinA$

$Sin A = \frac{11.83}{12}$

$Sin A = 0.986$

$A = sin^-^1(0.986)$

$A = 80.44 degrees$

Since A = 80.44° find A supplement, A`:

A` = 180 - 80.44

A` = 99.56°

If A` + B < 180°, find C.

Thus,

A` + B = 99.56 + 25 = 124.56

We can see that A` + B < 180

Find C:

C = 180 - (80.44+25) = 74.56° ≈ 75°

C` = 180 - (99.56+25) = 55.44° ≈ 55°

Rewrite in bearing form:

S 75°E

S 55°E

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