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kkurt [141]
3 years ago
13

Which expressions are equivalent to 4(y − 3) + 9y

Mathematics
2 answers:
Drupady [299]3 years ago
7 0

4( y-3) +9y is equal to:

Using ditributive property,

4 * y = 4y

4 * 3 = 12

Its equal to:

4y - 12 + 9y

Its also equal to:

9y + 4y = 13y

13y - 12

Alisiya [41]3 years ago
3 0
13y-12 that is ur answer
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The variable m should equal -5
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3 years ago
Solve for x in each of the equations or inequalities below, and name the property and/or properties used:
nordsb [41]

Answer

a) 3/4 x = 9

    x = \dfrac{9\times 4}{3}

    x = 12

b)  10+ 3x = 5x

     2 x = 10

        x = 5

c) a + x = b

       x = b - a

d) c x = d

      x =  \dfrac{d}{c}

e)  \dfrac{1}{2} x - g < m

     \dfrac{1}{2} x< m + g

              x  < 2( m + g)

f) q + 5 x = 7 x - r

   q + r = 2 x

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4 0
3 years ago
Angelo earns $2,080 each month. His total deductions are 30% of his pay. How much is deducted from his pay each month
Olenka [21]
624 is how much is deducted from his pay every month
7 0
3 years ago
Read 2 more answers
(Full question above)
zlopas [31]

Answer:

B. 300

Step-by-step explanation:

Final figure volume = big cuboid volume - small cuboid volume

Volume of a cuboid = height x width x length

Final figure = (6 x 6 x 15) - (4 x 4 x 15)

Final figure = 540 - 240

Final figure = 300mm^2

5 0
3 years ago
Not sure how I would solve this
suter [353]
<h3>Answers:</h3>

The first ordered pair is   ( -4 , -3 )

The second ordered pair is   ( 8, 3 )

=================================================

Explanation:

The first point is (x,-3) where x is unknown. It pairs up with y = -3 so we can use algebra to find x

x-2y = 2

x-2(-3) = 2 ... replace every y with -3; isolate x

x+6 = 2

x = 2-6

x = -4

The first point is (-4, -3)

---------------------------

We'll do something similar for the other point. This time we know x but don't know y. Plug x = 8 into the equation and solve for y

x-2y = 2

8-2y = 2

-2y = 2-8

-2y = -6

y = -6/(-2)

y = 3

The second point is (8, 3)

4 0
3 years ago
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