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Jet001 [13]
3 years ago
8

Julissa's dance class ended at 6:15 pm. It lasted 1 hour and 25 minutes. What time did it start?

Mathematics
1 answer:
Vlad1618 [11]3 years ago
3 0

Answer:

4:50

Step-by-step explanation:

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Rearrange the following equation to solve for the variable indicated. -4x+2Y=8 solve for y
Alecsey [184]

Answer:

y = 8 + 4x / 2

Step-by-step explanation:

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3 years ago
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-7a-10=20-3a please show work help
olga_2 [115]
-7a-10=20-3a

Combine like terms:
-4a -10 = 20
-4a = 30

Solve for a:
a =  -\frac{30}{4} = -7.5

Your answer: a = -7.5
7 0
3 years ago
(4k^4 + 2 - 3k) + (5k^4 + k - 8)
Sergeeva-Olga [200]
Hello!

You can only add values that have the same terms

4k^4 + 5k^4 = 9k^4

-3k + k = -2k

-8 + 2 = -6

The answer is 9k^4 - 2k - 6

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7 0
3 years ago
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Write an expression that represents the edge length of jewelry box
Mandarinka [93]

Answer:

The cubed-root of v (/v)

Step-by-step explanation:

Like your work on the second question illustrated, the cubed root of v (which is 216) is your expression for the edge length of the box in inches.

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4 0
3 years ago
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Find b, if a is (5, -3) and m (-4, 2) is the midpoint of ab
Dennis_Churaev [7]
We were given the points, A(5,-3) and the midpoint of AB, M(-4,2).

Let point B have coordinates (c , d).

Then the midpoint of A(5, -3) and B(c,d)


= ( \frac{5 + c}{2}    \:  \:  \:  \frac{ - 3 + d}{2} )
Now let us compare to the given midpoint M(-4, 2).

We can then write the following equations for the corresponding coordinates.

Comparing x coordinates, we have;

\frac{ 5 + c}{2}  =  - 4
Multiplying both sides of the equation by 2 gives,

5+c = 2(-4)

Simplifying the right hand side gives,

5 + c = -8

Grouping like terms, we have,

c = -8 - 5

This simplifies to,
c = -13


Comparing y coordinates we have,

\frac{ - 3 + d}{2}  = 2
Multiplying through by 2 gives,

-3 + d = 2(2)

This means that,

-3 + d = 4

Making the subject we have,

d = 4+3

This implies that,

d = 7

Hence the coordinates of B are (-13,7).
6 0
3 years ago
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