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BARSIC [14]
3 years ago
7

What is the factored form of the expression x2−4x ?

Mathematics
1 answer:
snow_tiger [21]3 years ago
5 0
Answer: x(x-4)

Explanation: Just factor out x from the expression
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Create a word problem for 2x+10=30
Svetradugi [14.3K]

Answer:

Step-by-step explanation:

There were three boxes of parts. one weighed 10 pounds, and you know the other two weigh the same. All three together weigh 30 pounds. How much do the two weigh?

4 0
3 years ago
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
kicyunya [14]

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

5 0
3 years ago
Solve for b -2b + 11 - 5b = 5 - 6b
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Answer:

B = 6

Step-by-step explanation:

Isolate the variable by dividing each side by factors that don't contain the variable.

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(-10,3),(9,0)

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