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likoan [24]
3 years ago
15

4x – 4 = – 12 X = ? What is X ?

Mathematics
2 answers:
maxonik [38]3 years ago
8 0

Answer:

X=-2

Step-by-step explanation:

4x-4=-12

Add 4 on both sides

+4 +4

4x=-8

Divide by 4 on both sides

÷4 ÷4

X=-2

ArbitrLikvidat [17]3 years ago
5 0

Answer:

-2

Step-by-step explanation:

4x-4=-12

4x=-12+4

4x=-8

x=-8/4

x=-2

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What number is nine<br> tenths more than<br> 0.852
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Answer:

1.752

Step-by-step explanation:

Nine tenths = 0.9

0.852 + 0.9 = 1.752

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Aleks04 [339]

5):  Rectangular  Flowerbed  

Total Area:

14m  *     10m

140m^2


Flower Bed Area:

10m  *   6m  

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140m^2     -     60m^2

Answer  ======>    80m^2





4):  Area of Parallelogram:   4.5m^2

Area    =    B  *  H  =====>  2.5m *  1.8  ====> 4.5m^2

b  Base of the parallelogram  ====>   2.5m

h    Height  of the parallelogram ======>  1.8m

Answer   ======> Area ======>  4.5m^2



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3 0
4 years ago
Use the drop-down menus to complete each equation so the statement about its solution is true?
SashulF [63]

5 - 4 + 7x + 1 = 7x + (5 - 4 + 1) = 7x + 2


NO SOLUTIONS:

<em>5 - 4 + 7x + 1 = 7x + a    </em><em>(a - any real number, except 2)</em>


ONE SOLUTION:

<em>5 - 4 + 7x + 1 = bx + c     </em><em>(b - any real number, except 7, c - any real number)</em>


INFINITELY MANY SOLUTIONS:

<em>5 - 4 + 7x + 1 = 7x + 2</em>


Examples:

2x + 3 = 2x + 5     <em>subtract 2x from both sides</em>

3 = 5    FALSE      <em>(NO SOLUTIONS)</em>


2x + 3 = x - 4      <em>subtract x from both sides</em>

x + 3 = -4       <em>subtract 3 from both sides</em>

x = -7          (<em>ONE SOLUTION)</em>


2x + 3 = 2x + 3      <em>subtract 2x from both sides</em>

3 = 3     TRUE      <em>(INFINITELY MANY SOLUTIONS)</em>

7 0
4 years ago
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horsena [70]

Answer: positive, linear association

Step-by-step explanation: that is the answer, because the dots are rising up in a slope

5 0
3 years ago
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A spring has natural length 20 cm. Compare the work W1 done in stretching the spring from 20 cm to 30 cm with the work W2 done i
Ksju [112]

Answer:

W₂ is three times W₁ (W₂ = 3W₁)

Step-by-step explanation:

Applying,

W = ke²/2............. Equation 1

Where W = workdone in stretching the spring, k = spring constant, e = extension.

For W₁,

W₁ = ke₁²/2

Given: e₁ = 30-20 = 10 cm = 0.1 m

Substitute these value into equation 1

W₁ = k(0.1²)/2

W₁ = 0.005k Joules

For W₂,

W₂ = (ke/2)-W₁

Given: e = (40-20) = 20 cm = 0.1 m

Substitute these value into equation 1

W₂ = (k×0.2²/2)-0.005

W₂ = 0.015k Joules.

W₂/W₁ = 0.015k/0.005k

W₂/W₁ = 3

Therefore,

W₂ = 3W₁

3 0
3 years ago
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