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lawyer [7]
3 years ago
12

· Three arithmetic means between 18 and 92.​

Mathematics
1 answer:
olga55 [171]3 years ago
3 0
Is this the full question
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Please help!!! Thank you!!!
Bess [88]

Answer:

1.  180°   ∑triangle angles=180°

2. 2x

3. 52°

5 0
3 years ago
POTW 1
pychu [463]

Answer:

9%

Step-by-step explanation:

I went on calculator .__.

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3 years ago
HELP 20 POINTS PLZ RAHHHH
schepotkina [342]

Answer:

answer is option D : 42m+12

7 0
3 years ago
Solve the simultaneous equations by substitution<br> 4x+3y=-2<br> 3y=4-x
stiv31 [10]

Answer: x=-2 y=2

Step-by-step explanation:

I decided that isolating the y value of the second equation is the best way to start solving.

I divide 3 from both sides to get y= (4-x)/3. With this, I can substitute into the first equation. 4x+3(4-x)/3)=-2.

The multiplying the 3 by the denominator three cancels each other out to make:

4x+4-x=-2.

We subtract 4 on both sides and then subtract x from 4x.

We end up with 3x=-6. Then, we divide both sides by 3.

x=-2.

Now we substitute this into the second equation to solve.

3y=4-(-2)

This becomes 3y=4+2 which is 3y=6

We divide both sides by 3 to get y=2

We end up with x=-2 and y=2.

I hope you learned something :)

4 0
3 years ago
Read 2 more answers
Twenty less than a number is more than twice the same number . Step by step to get the answer
likoan [24]
20 less than (-20) a number (n) is more than (>) twice the same number (2n)
-20+n>2n
minus n both sides
-20>n
n<-20
3 0
3 years ago
Read 2 more answers
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