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xz_007 [3.2K]
3 years ago
13

Which equation has infinitely many solutions?

Mathematics
1 answer:
Umnica [9.8K]3 years ago
8 0

Answer: B

Step-by-step explanation:

\dfrac{10x+8}{2} =5x+4\ cross\ products\\\\10x+8=10x+8\\\\0x=0\\

Every real is solution of the equation .

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Zack, Rachel, and Maddie are unraveling a huge ball of yarn to see how long it is. As they move away from each other, they form
Korolek [52]
We are tasked to solve the three angles given that we have the measurements of the sides such as
a = Zack to Rachel distance
b = Rachel to Maddie distance
c = Maddie to Zack distance

a =3
b =2.5
c =4

Solving the angles we need to use Law of Cosines:
cos A = 2.5² + 4² -3² /2*2.5*4
A = 48.59°

cos B=3² + 4² - 2.5² / 2*3*4
B = 38.625°

C=180 - 48.59° - 38.625°
C= 92.79°

The three angles are 48.59°,38.63° and 92.79°. 
8 0
4 years ago
Evaluate: a-2b/c : if a = -8, b = 6.5, and c = -2.<br><br> -1.5<br><br> 10.5<br><br> -9
Mkey [24]
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3 0
3 years ago
Read 2 more answers
Find b. Round to the nearest tenth.
Svetradugi [14.3K]
Find Angle B:  B = 180 - (82+55) = 43.  Then apply the law of sines:

   b            8 cm
--------- = ----------
sin 43       sin 55
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Solving for b, we get b = ------------------- = 6.66, or 6.7 (cm, to the nearest tenth).     
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5 0
3 years ago
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Please helppp<br> if the slope of a line is 6 and a line is perpendicular to it, what is its slope?
astra-53 [7]

Answer:

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Step-by-step explanation:

flip the slope

\frac{6}{1}

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7 0
3 years ago
The box is 450 square. The length is 10 inches and the width is 5 inches. What is the height of the box
natali 33 [55]

Answer:

9 inches

Step-by-step explanation:

I assume you mean the volume of the box is 450.

In that case, to figure out for the volume we multiply 10 by 5. This gives us 50.

450/50=9

The height of the box is 9 inches

Give brainliest please!

hope this helps :)

6 0
2 years ago
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