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Sunny_sXe [5.5K]
3 years ago
9

1.

Mathematics
1 answer:
Leona [35]3 years ago
8 0

9514 1404 393

Answer:

  see below

Step-by-step explanation:

The added red line shows the turtle takes twice as long to go the same distance, hence its speed is half as much.

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What is the approximate percent decrease when a fish count goes down from 850 to 500?
Fudgin [204]
So, the count went down from 850 to 500, or 350 units.

if we take the 850 to be the 100%, what is 350 in percentage off of it?

\bf \begin{array}{ccllll}
amount&\%\\
\text{\textemdash\textemdash\textemdash}&\text{\textemdash\textemdash\textemdash}\\
850&100\\
350&x
\end{array} \implies \cfrac{850}{350}=\cfrac{100}{x}

solve for "x".
5 0
3 years ago
The net of a rectangular pyramid and its dimensions are shown in the diagram. What is the total surface area of the rectangular
postnew [5]

Answer:

A 37

Step-by-step explanation:

MARK me branlies  please

8 0
3 years ago
I don’t know how to solve this
V125BC [204]

Assuming that both triangles are an exact copy of one another, it is safe to assume that 3y-7 is equal to 41. Set up an equation

3y-7=41

Add 7 to both sides

3y=48

Divide both sides by 3

y=16


Now to find PN.

Based on what we know, we can assume that MP = PN. Let's make some equations!

MP = 17x-8     PN = 11x+4

17x-8 = 11x+4

Subtract 11x from both sides

6x-8 = 4

Add 8 to both sides

6x = 12

Divide by 2

x=2

Substitute 2 in for x in the equation for PN

11(2)+4

Multiply 11 by 2

22+4 = 26

PN = 26

7 0
3 years ago
What is $34.00 with 25% off?
galben [10]
It’s 25.5 because since 25 off of 100 equals 75, you times the 34 by .75
7 0
3 years ago
What is the answer to (4-i)(6-5i) ?
hammer [34]
For this we must use foil and multiply
4*6
4*-5i
-i*6
-i*-5i
to get (respectively to above)
24
-20i
-6i
5i^2
combine all of those to get:
24-26i+5i^2
now, i squared is equal to -1, so we can simplify the above even further:
24-26i+5(-1)
24-26i-5
19-26i
Now, that would be your final answer. But if you want it in radical form you would get this: (just so you know, i is the square root of -1, or an imaginary number)
19-26 \sqrt{-1}
6 0
3 years ago
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