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lianna [129]
3 years ago
15

How do you do #5 a b c

Mathematics
1 answer:
Brut [27]3 years ago
4 0
B i think the answer is for #5
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In ΔDEF, the measure of ∠F=90°, DF = 55, FE = 48, and ED = 73. What ratio represents the tangent of ∠D?
klemol [59]

Answer:

\frac{48}{55}

Step-by-step explanation:

In problems like this, it always helps to draw a picture.

-> See attached for the picture I drew (<em>not to scale</em>)

    Now, the trigonometric function tangent can be found with opposite / adjacent

    When looking at ∠D, the opposite side if 48 and the adjacent side is 55.

O / A = 48 / 55

8 0
2 years ago
From a population of size 400, a random sample of 40 items is selected. The median of the sample Group of answer choices must be
avanturin [10]

Answer:

400+40+200+400 +200 +10+400×2+10

4 0
3 years ago
A guy has a mix of one, five, and ten dollar bills. There are 27 bills in a jar for a total of $91. There are four times as many
olchik [2.2K]

Answer:

There are 7 five dollar bills in the jar.

Step-by-step explanation:

There are 7 because 16 + y + 4 = 27 → 20 + y = 27 → y = 7

3 0
3 years ago
Are the triangles similar? If so state the similarity and the postulate or theorem that justifies your answer.
tester [92]

Answer:

A

Step-by-step explanation:

∆ABC is similar to ∆DEF if and only if the ratio of their corresponding side lengths are the same.

Let's find out:

DE/AB = 10/5 = 2

EF/BC = 8/4 = 2

FD/CA = 12/6 = 2

The ratio of their corresponding side lengths are equal, therefore, ∆ABC is similar to ∆DEF based on the SSS Similarity Theorem.

7 0
2 years ago
Given points A (-5, 6) and B (7, -1), find: Distance, Midpoint, and Slope
a_sh-v [17]
We have that
<span>points A (-5, 6) and B (7, -1)

Part A)
find the distance
d=</span>√[(y2-y1)²+(x2-x1)²]-------> d=√[(-1-6)²+(7+5)²]----> d=√(49+144)
d=√193  units

Part B)
find the midpoint
ABx=(x1+x2)/2-----> (-5+7)/2-----> ABx=1
ABy=(y1+y2)/2-----> (-1+6)/2-----> ABy=2.5

the midpoint is (1,2.5)

Part C)
find the slope
m=(y2-y1)/(x2-x1)-----> m=(-1-6)/(7+5)--------> m=-7/12

the slope m=-7/12
4 0
3 years ago
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