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Naddik [55]
2 years ago
15

PLEASE HELPPP ITS WORTH 20 points!!!

Mathematics
1 answer:
Oksana_A [137]2 years ago
3 0

Answer:

tanD =4/7

Step-by-step explanation:

tanD = P/B

Where P=4 and B=7

So;

tanD=4/7

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An indoor running track is 200 meters in length. During a 3,000-meter race, runners must complete 15 laps of the track. An elect
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D

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EXPERT HELP I'LL GIVE BRAINLIEST:
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Answer:

C) 846 in^2

Step-by-step explanation:

(15x48) + (21x3x2) = 846

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In triangle ABC, angle A = (4x+5) and angle B = (5x-1)
Lubov Fominskaja [6]
It <span>is an isosceles triangle, therefore

m\angle A=m\angle B

4x+5=5x-1\ \ \ |-5\\4x=5x-6\ \ \ |-5x\\-x=-6\to x=6

m\angle A=m\angle B=4\cdot6+5=24+5=29^o

We know:

m\angle A+m\angle B+m\angle C=180^o

therefore

29^o+29^o+m\angle C=180^o\\\\58^o+m\angle C=180^o\ \ \ |-58^o\\\\m\angle C=122^o
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4 0
3 years ago
Multiply. Use an area model to illustrate each product. a) 2/3 and 15
NeX [460]

Answer:

10

Step-by-step explanation:

multiply 15 by the numerator (2) so you should have 30/3 then divide by the denominator (3) for an answer of 10

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IM BEING TIMED, WILL GIVE 25 POINTS (NEEDED WITHIN THE NEXT 20 MINUTES The graph g(x)=x^3-x is shown. (idk how to screenshot, so
saveliy_v [14]

Answer:

The function is

f(x)=0.5x^3-3x^2+5.5x-2

The graph is attached.

Step-by-step explanation:

We have a function g(x) and we need to graph a new function that is function of g(x).

The final function is

f(x)=0.5\cdot g(x-2)+1

We start by calculating g(x-2):

g(x-2)=(x-2)^3-(x-2)\\\\g(x-2)=(x^3-6x^2+12x-8)-(x-2)\\\\g(x-2)=x^3-6x^2+11x-6

Then, we can calculate f(x) as:

f(x)=0.5\cdot g(x-2)+1\\\\g(x-2)=x^3-6x^2+11x-6\\\\\\f(x)=0.5(x^3-6x^2+11x-6)+1\\\\f(x)=0.5x^3-3x^2+5.5x-3+1\\\\\\f(x)=0.5x^3-3x^2+5.5x-2

5 0
3 years ago
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