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BartSMP [9]
2 years ago
14

Which triangle is a reflection of the orange triangle? Δ4 Δ3 Δ1 Δ2

Mathematics
1 answer:
erastova [34]2 years ago
7 0

Answer:

1.

Step-by-step explanation:

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Which equation is equivalent to 3 = 87 - h?
kow [346]

Answer:

h = 84

Step-by-step explanation:

3 = 87 - h

h + 3 = 87  (Add h to both sides)

h = 84 (Subtract 3 from both sides)

8 0
2 years ago
Joe gained 5 pounds. John gained 14 pounds. Jordan lost 20 pounds. Josh lost 11 pounds. Who had the biggest change in weight? A.
photoshop1234 [79]

Answer:I think Jordan is this a trick question

Step-by-step explanation:

8 0
2 years ago
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A rectangle has a perimeter of 84 miles and a height of 26 miles .what is the length of the base?
ExtremeBDS [4]

Answer:

16 miles

Step-by-step explanation:

The height is 26 miles. Multiply that by 2 which gets 52 and then subtract that from 84. That gives you 32 which means the sum of the lengths is 32/2 which is 16 miles

6 0
3 years ago
Suppose that the amount of algae in a pond doubles every 4 hours. If the pond initially contains 90 pounds of algae, how much al
UNO [17]
After 12 hours the pound would have 720 pounds of algae.
4 0
3 years ago
I need to use the Pythagorean Theorem to find X. I don’t know how to do that!!
frutty [35]

Answer:

17) x=8

18) x=\sqrt{189} or x= 3\sqrt{21}

Step-by-step explanation:

So the rule is a^{2} +b^{2} =c^{2}, "c" being the hypothenuse, or the long line that is opposite to the right angle.

17) We know that both values of x are equal to each other, which makes everything 10x easier!

                                               x^{2} +x^{2} =(8\sqrt{2})  ^{2}

(by the way we know the x values are our a and b values because they are legs! the way I like to remember the legs is that they are connected to the right angle box, and therefore support the hypothenuse)

<em>simplify</em> (╥︣﹏╥)    

                                                2x^2=8^2(\sqrt{2} )^{2}  

                                                  2x^2=64(2)

                                                   2x^2=128    

                                                  x^{2}= 128/2  

                                                     x^{2} =64

                                                        x=8      

18) Just pretend that the flipped triangle doesn't exist. It's parallel to the other triangle with values on it, and basically servers no purpose other than being parallel to the sister triangle :)

Anyways, since we know the hypothenuse (15) but we don't know one of our leg values (x), we're going to change our equation a bit!

                                                    c^{2} - b^{2} = a^{2}

It doesn't matter if you put the one leg value in a or b, just as long as you stick to that same equation you started with the entire time!

                                                   15^{2} -6^{2} =x^{2}

                                                   225-36=x^{2}  

                                                     x^{2} =189

                                               x=\sqrt{189}=3\sqrt{21}

        The more you do these, the easier they'll get, so don't worry!

                           

4 0
3 years ago
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