NEED HELP WITH A MATH QUESTION

Answers

Answer 1

Answer:

For this case we have that by definition, the sum of the internal angles of a triangle is 180 degrees.

Then we look for the measure of the third angle:

$102 + 28 + x = 180\nx = 180-102-28\nx = 50$

According to the Law of sines:

$\frac {sin (50)} {a} = \frac {Sin (28)} {27}\na = \frac {27 * sin (50)} {sin (28)}\na = \frac {0.76604444 * 27} {0.46947156}\na = 44.06$

Answer:

$a = 44.1$

Answer 2

Answer:

Answer:

56.3 cm

Step-by-step explanation:

(sinA)/(27) = (sinC)/c

(sin28°)/(27) = (sin102°)/c

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Does anyone know the answer to the question??? 5x+2=7x-4

8x^3-27=0 how do I solve this

Answers

8x^3 - 27 = 0
x^3 -27 = 0
x^3 = 27
x = 3

Need some help with this .

Answers

Area of a triangle = 1/2 bh
10.5*18=189

PLEASE HELP!!!!!!!!Rewrite the following compound statement as a biconditional.

If it rains, then I use an umbrella, and if I use an umbrella, then it is raining.

a. If I use an umbrella, then it is raining.
b. If my umbrella is broken, then it is not raining.
c. I use an umbrella, if it rains.
d. I use an umbrella if and only if it rains.

Answers

I think the correct answer from the choices listed above is option D. A biconditional statement is defined to be true whenever both parts have the same truth value. Therefore, the statement would be "I use an umbrella if and only if it rains." Hope this answers the question. Have a nice day.

Answer:

Your answer would be D.

I use an umbrella if and only if it rains.

Trust me on this it makes a lot of since

What is the answer to 2(5x+4)=8

Answers

Answer:

So first we have 10x = 0. We divide by 10 on both sides, so then we get x = 0. We still have 0 because 0/10 = 0.

So that means that the answer is

Write 10 in the first box 10 in the second

x=0

Answer:

? = 10

Step-by-step explanation:

2(5x+4)=8 - DISTRIBUTE

= 10x + 8 = 8

10x + 8 = 8

- 8

10x = 0

10x/10 = 0/10

x = 0

In a given amount of time, Mary drove twice as far as Lynn. Altogether they drove 60 miles. How far did Marydrive?
A. 20 miles
B. 30 miles
C. 40 miles
D. 45 miles

Answers

Answer:

40 its c

Step-by-step explanation:

You want to produce a scale drawing of your living room, which is 21 ft by 28 ft. If you use a scale of 5 in. = 7 ft, what will be the dimensions of your scale drawing?

Answers

Answer:

15 in. by 20 in.

Step-by-step explanation:

Dimensions of living room :

Length = 21 feet

Width = 28 feet

Scale : 5 in. = 7 ft

So, 1 ft. = $(5)/(7)$ in.

So, 21 feet = $21 * (5)/(7)$ in.

21 feet = 15 inches

Now 28 feet = $28 * (5)/(7)$ in.

28 feet = 20 inches

So, the dimensions of the scale drawing = 15 in. by 20 in.

Hence the dimensions of the scale drawing is 15 in. by 20 in.

5 in --------- 7 ft
x in --------- 21 ft

x = (5 x 21)/7=15 in

Otherwise:

5 in ---------- 7 ft
x in ---------- 28 ft

x = (5 x 28)/7 = 20 in

Dimentions of drawing is 15 x 20 in

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