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stich3 [128]
3 years ago
15

Just making sure I got this right.

Mathematics
1 answer:
Eva8 [605]3 years ago
8 0
There's nothing answered in that.
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I NEED HELP PLEASE! ;0
Fittoniya [83]

Answer:

4:6 or 2:3

Step-by-step explanation:

Since the ratio of mass of oxygen to carbon is 4:3, when there are two carbons the ratio will be 4:3*2=4:6=2:3. Hope this helps!

8 0
3 years ago
HELP ME PLEASE I NEED HELP​
Olin [163]

Step-by-step explanation:

You should prolly subtract 2 from both sides first.

So you get, -|2/5x + 3| > -1 2/5

  • Add three to both sides
  • -|2/5x| = -1 2/5
  • Do -1 and 2/5 divided by 2/5 to get -3.5, x > -3.5

One of the answers is x > -3.5 but you need to switch the sign to less than and make the other side the opposite.

-( \frac{2}{5}x + 3 ) < 1 \frac{2}{5}

You see that, switched the sign and made whats on the right side opposite. So now solve for x again but with this new equation. Also, the parentheses are absolute value signs

Subtract 3 from both sides

-|2/5x| < -1 and 3/5

Divide 2/5 from each side to get x < -4

I hope I'm correct, my bad if I'm wrong

6 0
3 years ago
Read 2 more answers
I need help finding missing angles ​
Citrus2011 [14]

Answer:

1 = 128 degrees

2 = 52 degrees

3 = 47 degrees

4 = 133 degrees

5 = 81 degrees

Step-by-step explanation:

angle 2 and 52 degrees are corresponding angles so they are equal.

angle 3 and 47 degrees are corresponding angles so they are equal.

angles 1 and 2 are supplementary angles so their sum is 180 degrees.

angles 3 and 4 are supplementary angles so their sum is 180 degrees.

angle 5 = 180 - 52 - 47 = 81 degrees

8 0
3 years ago
A tortoise is walking in the desert. It walks at a speed of
Tju [1.3M]
The tortoise moves for 2min. & 30seconds.
8 0
3 years ago
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You need 150g of flour for 12 cakes how much flour do you need
Vaselesa [24]

Answer:

12.5g for 1 cake, 150g for 12 cakes

Step-by-step explanation:

Because you need 150g for 12 cakes so 1 cake will take:

150 / 12 = 12.5g

So, You need 12.5g for 1 cake

Hope this help :3

8 0
4 years ago
Read 2 more answers
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