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Natalka [10]
3 years ago
12

Can someone help me with this? Will mark brainliest :)

Mathematics
1 answer:
larisa86 [58]3 years ago
4 0

Answer:

-34 (?)

Step-by-step explanation:

I think it's -34. I'm making a reasonable guess. I'm in fifth grade, so I think it's -34. Sorry if I'm wrong..

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Help for 15 points please
Nutka1998 [239]

Answer:

equation 1 and 3

1 .y=2 x on top

3 .y=0x 2 on top + 6

4 0
3 years ago
A water molecule is made up of 3 atoms. One third of the atoms are oxygen and the remaining atoms are hydrogen. If there are 114
Mashcka [7]

Answer:

228 hydrogen atoms

Step-by-step explanation:

In a water molecule,

1/3rd is oxygen atoms, and

2/3rd (1 - 1/3 = 2/3) is hydrogen atoms

If there are 114 water molecules,

Total number of atoms would be:

3 * 114 = 342 (1 oxygen and 2 hydrogen atoms in 1 water molecule)

Out of these, 2/3rd would be hydrogen atoms, so:

\frac{2}{3}*342=228

There would be 228 hydrogen atoms

7 0
4 years ago
Find the area of the shape shown below.
Shtirlitz [24]

Answer:

6 + 2 = 8 x 2 = 16 divided by 2 = 8

Step-by-step explanation:

Formula of a trapezoid:

B1(base 1) + B2(base 2) x H (Height) x 1/2 (basically dividing by 2)

5 0
3 years ago
Graph the line for y+1=−3/5(x−4) on the coordinate plane.
lyudmila [28]

Answer:

y=-3/5x+7/5

Step-by-step explanation:

put into slope form

Distribute the -3/5

y+1=-3/5x+12/5

subtract the one

y=-3/5x+7/5

3 0
4 years ago
Please only help with #3!
Alekssandra [29.7K]

Answer:

The polynomial is x^{4}-4x^{3}+3x^{2}

Step-by-step explanation:

∵ The polynomial of dgree 4 has 3 , 1 and zero as a double root

∴ x = 3 , x = 1 , x = 0 , x = 0

∴ The factors of this polynomials are:

   (x - 3) , (x - 1) , (x) , (x)

∴The polynomial = (x)(x)(x - 3) (x - 1)

∴ The polynomial = x^{2}(x^{2}-4x+3)=x^{4}-4x^{3}+3x^{2}

8 0
3 years ago
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