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3 years ago

ABC DEF AB corresponds to DF. True False

Mathematics

2 answers:

Alik [6]3 years ago

8 0

True or it could be AC corresponding to DF

Alex Ar [27]3 years ago

6 0

it's false

I guess

have a nice day

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rodikova [14]

n = –1

24/3x=8x^n

8/x=8x^n ]÷8

1/x= x^n

x-¹=x^n

n=–1

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3 years ago

Is Obama black sry I'm blind cant tell

IRINA_888 [86]

Answer:

Yes

Step-by-step explanation:

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3 years ago

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Step-by-step explanation:

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3 years ago

What is m∠V ? Round only your final answer to the nearest tenth. 53.9º 56.1º 61.9º 70.0º The figure shows acute triangle U V W.

IrinaVladis [17]

The correct option is: 53.9°

Explanation

According to the below diagram, $\triangle UVW$ is acute triangle, in which $\overline{UV}= 7.6 inches, \overline{VW}= 8.6 inches$ and $\overline{WU}=7.4 inches$

If we apply cosine rule here, then we will get.....

$cos(V) = \frac{(UV)^2+(VW)^2 -(WU)^2}{2(UV)(VW)}$

Now, plugging the given values, we will get....

$cos(V)=\frac{(7.6)^2+(8.6)^2-(7.4)^2}{2(7.6)(8.6)}\\ \\ cos(V)= \frac{76.96}{130.72}=0.58873...\\ \\ V= cos^-^1(0.58873...)=53.932.... \approx 53.9 degree$

So, the measure of $\angle V$ is 53.9°

5 0

3 years ago

You are downloading songs to your MP3 player. The ratio of pop songs to rock songs is 5 : 4. You download 40 pop songs. How many

Bond [772]

Answer:

You download 32 rock songs.

Step-by-step explanation:

*im a 7th grader so dont trust me with this answer lol*

The ratio 5 : 4 can also be written as the fraction 5/4.

The ratio pop songs, 40 : rock songs, r can be written as the fraction 40/r

Set an equation:

40/r = 5/4

Cross Multiply:

5r = 160

Divide 5 from both sides:

r = 32

There you have it, the amount of rock songs downloaded! Hopefully this helps!

7 0

4 years ago