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tatiyna
2 years ago
15

How this is hard and im hating this right now :/

Mathematics
1 answer:
vivado [14]2 years ago
6 0

Answer:

\boxed{\dfrac{y}{x}}

Step-by-step explanation:

\dfrac{\dfrac{1}{x} }{\dfrac{1}{y} } \ \text{can also be written as} \ \dfrac{1}{x} \div \dfrac{1}{y}

-------------------------------------------

\rightarrow \dfrac{1}{x} \div \dfrac{1}{y}

<u>Simplifying the expression using "a ÷ b = a x 1/b"</u>

\rightarrow \dfrac{1}{x} \times y

\rightarrow \boxed{\dfrac{y}{x}}

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Find the perimeter of the triangle.​
IRISSAK [1]

Answer:

39

Step-by-step explanation:

Alll the sides equal each other because of that curve u see at each angle, that curve means that the angles are the same, having the same angles means same sides, so just pick two equations to do this:

21 - x = 2x -3

add 3 to both sides

24 - x = 2x

add x to both sides

24 = 3x

divide by 3

8 = x

Now input 7 into the equations:

21 - x = 21 - 8 = 13

2(8) - 3 = 16 - 3 = 13

x + 5 = 8 + 5 = 13

Now add: 13 + 13 + 13 = 26 + 13 = 39

Another way for u to save time is remember how i said all the sides were the same? you could just solve one equation, so it'll be 13 and multiply that with 3 to get the perimeter since ur adding 13 three times anyway

So just a simple: 13(3) = 39

4 0
3 years ago
(3x + 10) + (3x + 2)
STatiana [176]

Answer: 18

Step-by-step explanation: 3 + 10 = 13. 3 + 2 = 5. 13 + 5 = 18

6 0
3 years ago
Read 2 more answers
What's the area of 89 and 76
lana [24]

1.)Gcf of <em><u>8</u></em><em><u>9</u></em><em><u> </u></em><em><u>and</u></em><em><u> </u></em><em><u>7</u></em><em><u>6</u></em>

gcf(89and76)

2)step <em>2</em>

=  \frac{89 \times 76}{lcm(89and76)}

3.)step 3

=  \frac{6767}{6767} = 1

4.)answer

1

5 0
3 years ago
What is f(-3) if f(x) = |2x - 1| - 5?
Orlov [11]

Answer: f(x)=|2x+1|+5

f(-3) = |2*-3 + 1|+5

   

       = |-6 + 1|+5

   

       = |-5|+5  = 5 + 5 = 10

f(-3) = 10    

Step-by-step explanation: GIVE ME BRAINLY A THANKS AND A VOTE HOPE I HELPED BYE

3 0
4 years ago
Find the least number which when divided by 8,9 and 12 leave remainder 4 in each case
svetlana [45]

Answer:

76

Step-by-step explanation:

you need to find the smallest number you can divide by 8,9,12 (72) + 4

72 + 4 = 76

3 0
3 years ago
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