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2 years ago

1. ab=l (solve for a)

Mathematics

1 answer:

Marat540 [252]2 years ago

5 0

Answer:

l/b=a

Step-by-step explanation:

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Right triangles 1, 2, 3 are given with all their angle measures

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Answer:

6.4/7.7 is the ratio

Step-by-step explanation:

The bottom triangle matches the 50 40 90 angle, so the ratio of the triangle length is consistent

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2 years ago

What expression is equivalent to 7(7v)

damaskus [11]

Answer:

its the 4th one . The one all the way to the bottom

Step-by-step explanation:

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2 years ago

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Suppose a population proportion is .40, and 80% of the time when you draw a random sample from this population you get a sample

love history [14]

We weere taking samples that were too large for the population too biased

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3 years ago

one evening, 2/3 of the students in Rick's class watched television. of this students, 3/8 watched a reality show. Of the studen

Dimas [21]

Answer:

0.0625 of the students recorded the show.

Step-by-step explanation:

2/3×3/8×1/4= the fraction of people who watched and recorded the show (0.0625)

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2 years ago

HELPPPPPPPPPPPPPPP RATE 5 STARSS

Stels [109]

Answer:

13. c,

14. a.

Step-by-step explanation:

13. The length of a side PQ with coordinates of

P as (x,y) and Q as (w,z)

is: $\sqrt{(x-w)^{2} +(y-z)^{2} }$

so, the length of the side AB =

$\sqrt{(5-5)^{2}+(-2+7)^{2} } =\sqrt{0^{2}+5^{2} } =5$

the length of side BC =

$\sqrt{(5-1)^{2}+(-7+2)^{2} } =\sqrt{(4)^{2}+(-5)^{2} } =\sqrt{4^{2}+5^{2} }$

the length of side AC=

$\sqrt{(5-1)^{2} +(-2+2)^{2} } =\sqrt{4^{2} } =4$

now, the easiest one will be when the vertices are on the coordinate axes.

so, option c will be the most appropriate one.

14. If u see the figure clearly, the lines l and FH are parallel.

the parallel postulate, i.e, the alternate interior angles will always be congruent.

here, the alternate interior angles are angle1 and angle4.

therefore to prove this step, he used parallel postulate as a reason.

so, the correct option is "a"

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3 years ago