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Dimas [21]
4 years ago
14

Which ratio is not equivalent to 15 : 18?

Mathematics
1 answer:
Effectus [21]4 years ago
8 0
The ratio 90: 105 is not equivalent to 15: 18
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Evaluate 7C6. (1 point)<br><br> A. 9<br> B. 1<br> C. 5,040<br> D. 7
notsponge [240]
\bf _nC_r=\cfrac{n!}{r!(n-r)!}\qquad &#10;\begin{cases}&#10;n=\textit{total elements}\\&#10;r=\textit{partials}\\&#10;--------\\&#10;n=7\\&#10;r=6&#10;\end{cases}\implies _7C_6=\cfrac{7!}{6!(7-6)!}
5 0
3 years ago
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HIJK is a parallelogram because the midpoint of both diagonals is ____ which means the diagonals bisect each other.
just olya [345]
ANSWER

The midpoint of both diagonals is

(1,0)
EXPLANATION

We can use either diagonals to determine the midpoint.

We use the midpoint formula

( \frac{x_1 + x_2}{2} , \frac{y_1 + y_2}{2} )

Let us use the first diagonals H(-2,2) and J(4,-2)

( \frac{ - 2 + 4}{2} , \frac{ - 2+ 2}{2} )

( \frac{ 2}{2} , \frac{ 0}{2} )

( 1, 0)

Using the second diagonals also gives,

( \frac{ - 2 + 4}{2} , \frac{ - 3+ 3}{2} )

( \frac{ 2}{2} , \frac{ 0}{2} )

( 1, 0)
4 0
3 years ago
Read 2 more answers
The polynomial 6x2 + 37x – 60 represents an integer. Which expressions represent integer factors of 6x2 + 37x – 60 for all value
Maslowich
The answer is 3x-4 and 2x+15
3 0
4 years ago
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Timothy paid $14,850 for a used car 4 years ago. Because he did not properly maintain the car, he sold it for $3,960. What was h
TEA [102]

Answer:

Depreciation rate = 16.32%

Step-by-step explanation:

First we calculate the annual depreciation of the car

Annual Depreciation = (Cost of  car – Net Scrap Value of car)/Useful Life

Details

Cost of Car= $14850

Net scrap Value of car= $3,960

useful Life=4

Thus: Annual Depreciation = ($14850-$3,960)/4

                                            = $2,722/year (Annual Depreciation)

Rate = Annual Depreciation/Cost of car X 100%

       = $2,722/$14,850 X 100%

Depreciation rate = 16.32%

8 0
3 years ago
What is the Value<br> out in the equation<br> 3/4 (z+4)=9
alisha [4.7K]

Answer:

z = 8

Step-by-step explanation:

3/4 (z+4)=9

3/4z + 3 = 9

3/4z = 6

z = 8

8 0
3 years ago
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