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3 years ago

Which Statement is true?

1 answer:

6 0

A) $|-8| \ \textless \ |8|$ is false. There is no solution.
B) $|-2| \ \textgreater \ 1$ is true. There are infinite solutions.
C) $|-7| = -7$ is false. There is no solution.
D) $|12| \ \textgreater \ |-15|$ is false. There is no solution.

Answer: B

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Solve completely (all missing sides and all missing angles) using trig ratios or laws. Round to the nearest tenth.

hodyreva [135]

Answer:

Step-by-step explanation:

3. Use Cosine law to find the length of the unknown side (PR)

q² = p² + r² - 2prCos Q

q is the opposite side of ∠Q;

p is the opposite side of ∠P; p = 33

r is the opposite sides of ∠R ; r = 67

q² = 33² + 67² - 2* 33*67 Cos 19°

= 1089 + 4489 - 4422 * 0.95

= 1089 + 4489 - 4200.9

= 1377.1

q = √1377.1

q = 37.1

PR = 37.1

To find the angle use law of sin

$\sf \dfrac{q}{Sin \ Q} =\dfrac{p}{Sin \ P}\\\\\\\dfrac{37.1}{Sin \ 19}=\dfrac{33}{Sin \ P} \\\\\\\dfrac{37.1}{0.33}=\dfrac{33}{Sin \ P}\\\\\\37.1* Sin \ P = 33 *0.33\\\\Sin \ P =\dfrac{33*0.33}{37.1}$

Sin P = 0.3

$P = Sin^{-1} 0.3\\$

P = 17.5°

∠R = 180 - (19 + 17.5)

= 143.5°

6 0

1 year ago

Please help this is timed

agasfer [191]

Answer: y= -2 (x+1)

Step-by-step explanation:

this would be the “inverse” of the original equation making them cross at exactly 1 point

7 0

2 years ago

The polygon below has been divided into four shapes. Which measurements below represent the total area of the polygon?

aliya0001 [1]

Step-by-step explanation:

you have to put the picture of the polygon or we can't answer the question.

3 0

3 years ago

Read 2 more answers

Shelly and Terrence completed a different number of tasks in a game. Shelly earned 90 points on each task. Terrence's total poin

fgiga [73]

I'm thinking maybe x is supposed to represent the number of tasks completed because it states Shelly earned 90 points on each task. Then when put together it may look like this, let's say there are 4 tasks= Ex.90 times the 4 tasks minus 20 points which would total the points Terrence's has earned. So i believe x is the total tasks. Hope I didn't make it confusing...

6 0

3 years ago

Read 2 more answers

What expression is equal to6 e + 3 (e-1)

eimsori [14]

Answer:

9e -3

Step-by-step explanation:

Perform the indicated multiplication:

6 e + 3 (e-1) = 6e + 3e - 3

This, in turn, simplifies to

9e -3, or 3(3e - 1).