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Akimi4 [234]
3 years ago
13

How to work out this 0.25 x 16 + 4

Mathematics
1 answer:
Blababa [14]3 years ago
4 0

Answer:

8

Step-by-step explanation:

0.25*16 = 4

Add on 4 so 4+4 = 8

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Explain how you can write an equation for a line with slope 1/2 that crosses the y-axis at the point (0,-1).
andre [41]

Answer:

y= 1/2x-1

Step-by-step explanation:

The equation of a line is y= mx+c

m represents the slope of the line

c represents the y-intercept

So we plug in our information into the equation.

The slope is 1/2 so y= 1/2x + c

The line crosses at (0,-1) which makes -1 the y-intercept as the line crosses at this point on the y-axis.

Therefore, y= 1/2x-1

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4 years ago
What is a unit rate?
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8 0
3 years ago
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Can someone please help me?
ss7ja [257]

For each square root, you can simplify the expression under the root as

3\sqrt{98xy}=3\sqrt{2\cdot7^2xy}=3\cdot7\sqrt{2xy}=21\sqrt{2xy}

\sqrt{108y}=\sqrt{2^2\cdot3^3xy}=2\cdot3\sqrt{3xy}=6\sqrt{3xy}

2\sqrt{75xy}=2\sqrt{3\cdot5^2xy}=2\cdot5\sqrt{3xy}=10\sqrt{3xy}

So we have

3\sqrt{98xy}-\sqrt{108xy}+2\sqrt{75xy}=21\sqrt{2xy}-6\sqrt{3xy}+10\sqrt{3xy}

=21\sqrt{2xy}+4\sqrt{3xy}

This means [1] = 4 and [2] = 3xy.

7 0
3 years ago
I need help please tell me the answer you will get 30 points too. <br> I. 7x+42
noname [10]
What exactly are you looking for
7 0
3 years ago
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Pleaseeee helppppp correctly !!!!!!!!!!!!!! will mark Brianliesttttt !!!!!!!!!!!!!!
lana66690 [7]

Answer:

probably 25

Step-by-step explanation:

6 0
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