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kondaur [170]
3 years ago
13

PLEASE HELP MY ASSIGNMENT IS DUE IN 3 HOURS!!!!

Mathematics
1 answer:
Hatshy [7]3 years ago
7 0

Answer:

76.3 degrees

Step-by-step explanation:

We use inverse cosine to find the angle.

arccos(1.9/8) = 76.26 deg

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Which values are solutions to the inequality –3x – 4 < 2? Check all of the boxes that apply.
luda_lava [24]

Answer:

x>-2

Step-by-step explanation:

We will need to solve the inequality:

–3x – 4 < 2

Before starting we need to understand 1 rule of inequalities. That is:

We change the inequality sign whenever we multiply or divide by a negative number. That means

< changes to >

and

≥  change  to ≤

and vice versa...

Now, let's go ahead and solve the inequality:

-3x-4

"x" is the set of all values that is greater than "-2". So that's the answer.

x > -2

4 0
3 years ago
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Simplify the expression - 3+(-2/5)
xxMikexx [17]

Answer:

The answer is -17/5

Step-by-step explanation:

hope that helps

6 0
3 years ago
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Solve by completing the square<br><br>x squared +14x - 51=0
Nesterboy [21]
x^2 +14x - 51=0\\ \\\Delta = b^{2}-4ac =14^{2}-4*1*(-51)=196+204=400 \\ \\x_{1}=\frac{-b-\sqrt{\Delta }}{2a} =\frac{-14- \sqrt{400}}{2}=\frac{-14-20}{2}= \frac{-34}{2}=-17\\ \\x_{2}=\frac{-b+\sqrt{\Delta }}{2a} =\frac{-14+ \sqrt{400}}{2}=\frac{-14+20}{2}= \frac{6}{2}=3


3 0
3 years ago
53 POINTS ON OFFER! MORE FOR BRAINLIEST. FAST HELP! FULL EXPLANATION
Zolol [24]

Answer:

Plan 1: 7,300p Plan 2: 9,125. Plan 3: 8,030

Step-by-step explanation:

6 0
3 years ago
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Timmy estimated he would spend $9 at the candy store. He went a little over-budget and spent $12. What was the percent error?
kap26 [50]
<h2>Answer :</h2>

  • Error (e) = 12 - 9 = $ 3

  • assumed value (a) = $ 9

\boxed{ \mathrm{ \% \: error = \dfrac{error}{assumed \: value} \times 100}}

  • \mathrm{ \% \: error =\dfrac{3}{9} ×100}

  • \mathrm{ \% \: error = \dfrac{1}{3} ×100}

  • \mathrm{ \% \: error = 33.33 \%}

_____________________________

\mathrm{ \#TeeNForeveR}

8 0
3 years ago
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