2 years ago

I really need math help, it’s slopes

Mathematics

1 answer:

zalisa [80]2 years ago

6 0

Same LOL first tru the ones with the rise and run showed then try the others remember y=mx+b and your rules

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Nancy leaves the school and drives toward her town at 27 mph. greg leaves the same school 2 hours later and drives the same rout

Paul [167]

Nancy's rate=27 mph
Greg's rate=45 mph
t=Greg's time
t+2=Nancy's time
Since they both traveled same distance then:
27(t+2)=45t
27t+54=45t
18t=54
t=3 hours
Greg will pass Nancy after 3 hours

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2 years ago

Which represents the value of Point on the number line?

melomori [17]

Answer:

Step-by-step explanation:

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2 years ago

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shtirl [24]

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2 years ago

It cost Chloe $9.20 to send 92 text messages. How many text messages did she send if she spent $18.00?

olya-2409 [2.1K]

Answer:

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2 years ago

In ΔLMN, n = 92 inches, ∠N=46° and ∠L=11°. Find the length of l, to the nearest inch.

Vilka [71]

Answer:

24 inches

Step-by-step explanation:

A triangle is a polygon with three sides and three angles. The types of triangles are scalene triangle, equilateral triangle, right angled triangle and obtuse triangle.

Sine rule states that given a triangle with sides a, b, c and their corresponding angles opposite to the sides as A, B, C. Then:

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

In triangle LMN:

We can find the length of l using sine rule:

$\frac{l}{sinL}=\frac{n}{sinN} \\\\substituting:\\\\\frac{l}{sin(11)}=\frac{92}{sin(46)} \\\\l=\frac{92}{sin(46)}*sin(11)\\\\k=24\ inches \\$

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2 years ago