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Reptile [31]
3 years ago
10

Y= -3X;(2,-6) IS THIS A SOLUTION OR NOT A SOLUTION

Mathematics
1 answer:
Mama L [17]3 years ago
5 0
2 = x
-6 = y

⓵ Replace “x” in the equation with its value and solve the equation to see if y = -6 :

Y = -3x

Y = -3(2)

Y = -6

→ When you replace the “x” with 2 in the equation, y is equal to -6, which means that it is in fact a solution!

There you go! I really hope this helped, if there’s anything just let me know! ☻
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For triangle ABC, angle A=110, angle B=43, and side b=15. Find side c.
vredina [299]

Answer: 10

<u>Step-by-step explanation:</u>

First, find m∠C by using the Triangle Sum Theorem:

∠A + ∠B + ∠C = 180°

110 + 43 + ∠C = 180°

     153   + ∠C = 180°

                ∠C = 27°

Next, Use the Law of Sines to solve for c:

\dfrac{b}{sin\ B}= \dfrac{c}{sin\ C}

\dfrac{15}{sin\ 43}= \dfrac{c}{sin\ 27}

\dfrac{15\ sin\ 27}{sin\ 43}= c

10 = c


8 0
3 years ago
A car increased price by 3/4. after the increase it was priced at £84 what was the original price???
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Answer: I think this is how we do it but i am not sure the answer is 48

Step-by-step explanation:

if the price increase by 3/4 then that mean it total will be 7/4 as 4/4 is it original price add so 7/4=84/x 84x4 is 336 336 divide by 7 is 48 to check 48 x 7/4 or 48 x 3/4 and add 48 if u math is correct than u should get 84

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3 years ago
Bananas are $.59 a pound what is the constant of proportionality
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The constant proportionality is the proportionality of 59. Because it is the price, you just move the decimal point two places over to the left.
If you do this correctly you will get .59
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