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Mashcka [7]
3 years ago
5

Need Help! (No links)

Mathematics
1 answer:
dezoksy [38]3 years ago
6 0

Answer:

Option C, 13.7 cm

Step-by-step explanation:

Cos(31°) = \frac{x}{15}

=> Multiply 15 on both sides of "="

Cos(31°) * 15 = x

13.7 = x

Hope this helps!

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a_sh-v [17]

Answer:

I could be wrong, but I believe that the answer is D, none. This is because there is only proof of one congruent side and angle.

Step-by-step explanation:

4 0
2 years ago
Explain the steps taken to write an Explain the steps taken to write an equation from a description given in words.Equation from
liraira [26]

Step-by-step explanation:

The key to solving word problems is in translation: turning word into  math

Below is a general approach to most/any word problem

1. Read through the whole question once, without lingering over details, to get some sense of the overall problem

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8 0
3 years ago
Read 2 more answers
Angle Bisector Solve for Y
olganol [36]

As <ABC=40

3x-1+34-2x=40

x =40-34+1 = 7

In triangle ABD

3x-1 + 90 +3y + 6= 180

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3y= 180-95-21=64

Y =64/3

4 0
3 years ago
How many gallons of a 80​% antifreeze solution must be mixed with 100 gallons of 20​% antifreeze to get a mixture that is 70​% a
Blababa [14]

To Find :

How many gallons of a 80​% antifreeze solution must be mixed with 100 gallons of 20​% antifreeze to get a mixture that is 70​% antifreeze.

Solution :

Let, x gallons of 80​% antifreeze solution is required :

So,

(x \times 80) + ( 100 \times 20 ) = (x + 100 )\times 70\\\\8x + 200 = 7( x + 100)\\\\x = 500

Therefore, 500 gallons of 80% antifreeze solution is required.

6 0
3 years ago
Help<br> Which expression is equivalent to 2 (t - 4) +12
PSYCHO15rus [73]

Answer:

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Step-by-step explanation:

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3 years ago
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