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Vedmedyk [2.9K]
3 years ago
8

Whats -3(4x+3)+4(6x+1)=43

Mathematics
2 answers:
Anettt [7]3 years ago
3 0

Solution, -3\left(4x+3\right)+4\left(6x+1\right)=43\quad :\quad x=4

Steps:

\mathrm{Expand\:}-3\left(4x+3\right)+4\left(6x+1\right):\quad 12x-5, 12x-5=43

\mathrm{Add\:}5\mathrm{\:to\:both\:sides}, 12x-5+5=43+5

\mathrm{Simplify}, 12x=48

\mathrm{Divide\:both\:sides\:by\:}12, \frac{12x}{12}=\frac{48}{12}

\mathrm{Simplify}, x=4

The correct answer is <u><em>x=4</em></u>

Hope this helps!!!

<3 -austint1414

steposvetlana [31]3 years ago
3 0

Step 1. Expand

-12x - 9 + 24x + 4 = 43

Step 2. Simplify -12x - 9 + 24x + 4 to 12x - 5

12x - 5 = 43

Step 3. Add 5 to both sides

12x = 43 + 5

Step 4. Simplify 43 + 5 to 48

12x = 48

Step 5. Divide both sides by 12

x = 48/12

Step 6. Simplify 48/12 to 4

x = 4

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lana [24]
-20% or a 20% decrease.
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4 years ago
Justify the steps taken to simplify 25×36×4
Marrrta [24]

Answer:

Hello dear

Step-by-step explanation:

25×36×4

25×4×36

100×36

3600

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4 0
3 years ago
Type the correct answer in the box. Round your answer to the thousandth place.
kupik [55]

Answer:

<u>The probability that carbon emissions from the factory are within the permissible level and the test predicts the opposite to be true is 19.338% (Rounding to the next thousandth place)</u>

Step-by-step explanation:

1. Let's review the information provided to us to answer the question correctly:

Probability that carbon emissions from the company’s factory exceed the permissible level = 35% = 0.35

Accuracy of the test of emissions level = 85% = 0.85

2. The probability that carbon emissions from the factory are within the permissible level and the test predicts the opposite to be true is?

These two events, carbon emissions from the company’s factory and the accuracy of the test are independent events, therefore:

Probability that carbon emissions from the factory are within the permissible level = 1 - 0.35 = 0.65

Probability that the test predicts the opposite to be true = 0..35 * 0.85 = 0.2975 (The opposite is that the carbon emissions from the company exceed the permissible level)

Probability that carbon emissions from the factory are within the permissible level and the test predicts the opposite to be true is:

0.65 * 0.2975 = 0.193375

<u>The probability that carbon emissions from the factory are within the permissible level and the test predicts the opposite to be true is 19.338% (Rounding to the next thousandth place)</u>

5 0
3 years ago
Read 2 more answers
12÷3+(4×2)=<br> 300×152÷(12×3)=<br> 1988-1911=<br> 2021-(16×2)=
vaieri [72.5K]

Answer:

a)12

b)1297.8( not sure for this)

c)77

d)1989

Step-by-step explanation:

12÷3+(4×2)

12÷3+8

4+8

12.

309×152÷(12×3)

309×152÷36

309×4.2

1297.8.

1988-1911

77

2021-(16×2)

2021-32

1989

if it helps don't forget to like and Mark me

5 0
3 years ago
Read 2 more answers
Using the equation representing the height of the firework (h = -16t2 + v0t + h0), algebraically determine the extreme value of
lubasha [3.4K]
-16t^2 + v0t + h0

=  -16(t^2 - 1/16 v0t)  + h0
 = -16 [(t - 1/32v0)^2 - (1/32 v0)^2 ) + h0
 = -16(t - 1/32v0)^2 + 1/64 (v0)^2 + h0   which is the vertex form 

The vertex  is at the point (1/32v0, 1/64 (v0)^2)

1/32v0  represents the time  when the firework is at its maximum height and 1/64 (v0)^2  is this maximum height
6 0
3 years ago
Read 2 more answers
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