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choli [55]
3 years ago
5

Someone help and please make sure the answer is right

Mathematics
1 answer:
lord [1]3 years ago
8 0

Answer:

it's 12

Step-by-step explanation:

5(12) =60

60+17=77

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Its B

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3 years ago
Find the value of x.<br> (3x+20) º<br> 12°
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x=32°

Step-by-step explanation:

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2 years ago
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Are -2x + 9 = 7 and 2x = 2 equivalent?​
DochEvi [55]

Answer:

Yes because the answer to both of them is 1

Step-by-step explanation:

Let's solve your equation step-by-step.

−2x+9=7

Step 1: Subtract 9 from both sides.

−2x+9−9=7−9

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Step 2: Divide both sides by -2.

−2x

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Answer:

x=1    

Let's solve your equation step-by-step.

2x=2

Step 1: Divide both sides by 2.

2x

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Answer:

x=1

 

7 0
3 years ago
a small plane lands at a point 324 miles east and 92 miles north of the point at which it took off. Find the distance the plane
Setler79 [48]

Answer: 336.80 miles, 15.85^{\circ} North of east

Step-by-step explanation:

Given

Plane lands at a point 324 miles east and 92 miles north

Distance is given by using Pythagoras theorem

\Rightarrow d=\sqrt{324^2+92^2}\\\\\Rightarrow d=\sqrt{113,440}\\\\\Rightarrow d=336.80\ \text{miles}

Direction is given by using figure i.e.

\Rightarrow \tan \theta=\dfrac{92}{324}\\\\\Rightarrow \tan \theta=0.2839\\\\\Rightarrow \theta=15.85^{\circ}

Direction is 15.85^{\circ} North of east

7 0
3 years ago
10) En un triángulo rectángulo ABC, B es un ángulo
Minchanka [31]

Answer:

140

Step-by-step explanation:

Primera tienes que sumar 23 y 17 despues tienes que buscar la differencia de 180 y 40.

4 0
3 years ago
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